10-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-K

xANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended December 31, 2018

OR

¨TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from ______________ to ______________

Commission file number 000-11917

THE DAVEY TREE EXPERT COMPANY

(Exact name of registrant as specified in its charter)

Ohio	34-0176110
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification Number)

1500 North Mantua Street

P.O. Box 5193

Kent, Ohio 44240

(Address of principal executive offices) (Zip code)

(330) 673-9511

(Registrant's telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:

None

Securities registered pursuant to Section 12(g) of the Act:

Common Shares, $1.00 par value

Indicate by check mark if the registrant is a well-known seasoned issuer (as defined in Rule 405 of the Securities Act).  Yes ¨ No x
Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15(d) of the Act.  Yes ¨ No x
Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.  Yes x No ¨
Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes x No ¨
Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained, to the best of registrant's knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K. ¨
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer”, “smaller reporting company” and "emerging growth company" in Rule 12b-2 of the Exchange Act.
	¨	Large Accelerated Filer	x	Accelerated Filer	¨	Emerging Growth Company
	¨	Non-Accelerated Filer	¨	Smaller Reporting Company
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act ¨
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act).  Yes ¨ No x

There were 22,922,773 Common Shares outstanding as of March 8, 2019. The aggregate market value of the Common Shares held by nonaffiliates of the registrant as of June 30, 2018 was $417,618,382. For purposes of this calculation, it is assumed that the registrant's affiliates include the registrant's Board of Directors and its executive officers.

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the registrant's definitive Proxy Statement for the 2019 Annual Meeting of Shareholders, to be held on May 21, 2019, are incorporated by reference into Part III (to be filed within 120 calendar days of the registrant’s fiscal year end).

NOTE REGARDING FORWARD-LOOKING STATEMENTS

This annual report on Form 10-K contains forward-looking statements (within the meaning of the Private Securities Litigation Reform Act of 1995) in "Item 7 - Management's Discussion and Analysis of Financial Condition and Results of Operations," "Item 7A - Quantitative and Qualitative Disclosures About Market Risk," and elsewhere. These statements relate to future events or our future financial performance. In some cases, forward-looking statements may be identified by terminology such as "may," "will," "should," "expects," "plans," "anticipates," "believes," "estimates," "predicts," "potential," "continue" or the negative of these terms or other comparable terminology. These statements are only predictions and involve known and unknown risks, uncertainties and other factors that may cause our or our industry's actual results, levels of activity, performance or achievements to differ materially from what is expressed or implied in these forward-looking statements. Some important factors that could cause actual results to differ materially from those in the forward-looking statements include:

▪ We may be unable to attract and retain a sufficient number of qualified employees for our field operations, and we may be unable to attract and retain qualified management personnel.

▪ We have significant contracts with our utility, commercial and government customers that include liability risk exposure as part of those contracts. Consequently, we have substantial excess-umbrella liability insurance, and increases in the cost of obtaining adequate insurance, or the inadequacy of our self-insurance accruals or insurance coverages, could negatively impact our liquidity and financial condition.

▪ The unavailability or cancellation of third-party insurance coverage may have a material adverse effect on our financial condition and results of operations as well as disrupt our operations.

▪ We could be materially adversely affected by wildfires in California and other areas as well as other severe weather events and natural disasters, including negative impacts to our business, reputation, financial condition, results of operations, liquidity and cash flows.

▪ Our business, other than tree services to utility customers, is highly seasonal and weather dependent.

▪ Significant customers, particularly utilities, may experience financial difficulties, resulting in payment delays or delinquencies.

▪ We are subject to litigation and third-party and governmental regulatory claims and adverse litigation judgments or settlements resulting from those claims could materially adversely affect our business.

▪ Significant increases in fuel prices for extended periods of time will increase our operating expenses.

▪ We are subject to intense competition.

▪ Various economic factors may adversely impact our customers’ spending and pricing for our services, and impede our collection of accounts receivable.

▪ The impact of regulations initiated as a response to possible changing climate conditions could have a negative effect on our results of operations or our financial condition.

▪ The seasonal nature of our business and changes in general and local economic conditions, among other factors, may cause our quarterly results to fluctuate, and our prior performance is not necessarily indicative of future results.

▪ We may misjudge a competitive bid and be contractually bound to an unprofitable contract.

▪ A disruption in our information technology systems, including a disruption related to cybersecurity, could adversely affect our financial performance.

▪ We are dependent, in part, on our reputation of quality, integrity and performance. If our reputation is damaged, we may be adversely affected.

▪ Because no public market exists for our common shares, the ability of shareholders to sell their common shares is limited.

▪ Our failure to comply with environmental laws could result in significant liabilities, fines and/or penalties.

▪ We may encounter difficulties obtaining surety bonds or letters of credit necessary to support our operations.

▪ The uncertainties in the credit and financial markets may limit our access to capital.

▪ Fluctuations in foreign currency exchange rates may have a material adverse impact on our operating results.

▪ Significant increases in health care costs could negatively impact our results of operations or financial position.

▪ Our facilities could be damaged or our operations could be disrupted, or our customers or vendors may be adversely affected, by events such as natural disasters, pandemics, terrorist attacks or other external events.

▪ Our inability to properly verify the employment eligibility of our employees could adversely affect our business.

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Although we believe that the expectations reflected in the forward-looking statements are reasonable, we cannot guarantee future results, levels of activity, performance or achievements. We are under no duty to update any of the forward-looking statements after the date of this annual report on Form 10-K to conform these statements to actual future results.

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THE DAVEY TREE EXPERT COMPANY FORM 10-K For the Year Ended December 31, 2018 TABLE OF CONTENTS
	Page
Note Regarding Forward-Looking Statements	1
PART I
Item 1.     Business	4
Item 1A.  Risk Factors	6
Item 1B.  Unresolved SEC Staff Comments	11
Item 2.     Properties	11
Item 3.     Legal Proceedings	11
Item 4.     Mine Safety Disclosures	12
Executive Officers of the Company	13
PART II
Item 5.     Market for Company’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities	15
Item 6.     Selected Financial Data	19
Item 7.     Management's Discussion and Analysis of Financial Condition and Results of Operations	20
Item 7A.  Quantitative and Qualitative Disclosures About Market Risk	31
Item 8.     Financial Statements and Supplementary Data	31
Item 9.     Changes in and Disagreements with Accountants on Accounting and Financial Disclosure	31
Item 9A.  Controls and Procedures	31
Item 9B.  Other Information	33
PART III
Item 10.  Directors, Executive Officers and Corporate Governance	34
Item 11.  Executive Compensation	34
Item 12.  Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters	34
Item 13.  Certain Relationships and Related Transactions, and Director Independence	34
Item 14.  Principal Accountant Fees and Services	34
PART IV
Item 15.  Exhibits and Financial Statement Schedules	35
Item 16. Form 10-K Summary	39
Signatures	40
Exhibit Index	36

“We,” “Us,” “Our,” “Davey” and “Davey Tree,” unless the context otherwise requires, means The Davey Tree Expert Company and its subsidiaries.

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PART I

Item 1.  Business.

General

The Davey Tree Expert Company, which was founded in 1880 and incorporated in Ohio in 1909, and its subsidiaries ("we" or "us") provide a wide range of arboricultural, horticultural, environmental and consulting services to our customers throughout the United States and Canada. We have two reportable operating segments organized by type or class of customer: Residential and Commercial, and Utility.

Our Residential and Commercial segment provides services to our residential and commercial customers including: the treatment, preservation, maintenance, removal and planting of trees, shrubs and other plant life; the practice of landscaping, grounds maintenance, tree surgery, tree feeding and tree spraying; the application of fertilizer, herbicides and insecticides; and, natural resource management and consulting, forestry research and development, and environmental planning.

Our Utility segment is principally engaged in providing services to our utility customers--investor-owned, municipal utilities, and rural electric cooperatives--including: the practice of line-clearing and vegetation management around power lines, rights-of-way and chemical brush control; and, natural resource management and consulting, forestry research and development and environmental planning.

We also maintain research, technical support and laboratory diagnostic facilities.

Competition and Customers

Our Residential and Commercial segment is one of the largest national tree care organizations in the United States, and competes with other national and local firms with respect to its services. On a national level, our competition is primarily landscape construction and maintenance companies as well as residential and commercial lawn care companies. At a local and regional level, our competition comes mainly from small, local companies which are engaged primarily in tree care and lawn services. Our Utility segment is the second largest organization in the industry in the United States, and competes principally with one major national competitor, The Asplundh Tree Expert Co., as well as several smaller regional firms.

Principal methods of competition in both operating segments are customer service, marketing, image, performance and reputation. Our program to meet our competition stresses the necessity for our employees to have and project to customers a thorough knowledge of all horticultural services provided, and utilization of modern, well-maintained equipment. Pricing is not always a critical factor in a customer's decision with respect to our Residential and Commercial segment; however, pricing is generally the principal method of competition for our Utility segment, although in most instances consideration is given to reputation and past production performance.

We provide a wide range of horticultural services to private companies, public utilities, local, state and federal agencies, and a variety of industrial, commercial and residential customers. During 2018, we had revenues of approximately $125 million, or approximately 12% of total revenues, from Pacific Gas & Electric Company ("PG&E"), our largest customer. On January 29, 2019, PG&E filed for Chapter 11 bankruptcy. As a utility company, PG&E serves residential and industrial customers in California and has an ongoing obligation to continue to serve its customers. Therefore, we do not anticipate PG&E's bankruptcy to have a material impact on our future cash flows and results of operations.

Regulation and Environment

Our facilities and operations, in common with those of the industry generally, are subject to governmental regulations designed to protect the environment. This is particularly important with respect to our services regarding insect and disease control, because these services involve, to a considerable degree, the blending and application of spray materials, which require formal licensing in most areas. Constant changes in environmental conditions, environmental awareness, technology and social attitudes make it necessary for us to maintain a high degree of awareness of the impact such changes have on the market for our services. We believe that we comply in all material respects with existing federal, state and local laws regulating the use of materials in our spraying operations as well as the other aspects of our business that are subject to any such regulation.

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Marketing

We solicit business from residential customers principally through referrals, direct mail programs and to a lesser extent through the placement of advertisements in national magazines and trade journals, local newspapers and "yellow pages" telephone directories. We also employ online marketing and lead generation strategies, including email marketing campaigns, search engine optimization, search engine marketing, and social media communication. Business from utility and commercial customers is obtained principally through negotiated contracts and competitive bidding. We carry out all of our sales and services through our employees. We generally do not use agents, and do not franchise our name or business.

Seasonality

Our business is seasonal, primarily due to fluctuations in horticultural services provided to Residential and Commercial customers and to a lesser extent by budget constraints imposed on our Utility customers. Because of this seasonality, we have historically incurred losses in the first quarter, while sales and earnings are generally highest in the second and third quarters of the calendar year. Consequently, this has created heavy demands for additional working capital at various times throughout the year. We borrow primarily against bank commitments in the form of a revolving credit facility and issue notes to provide the necessary funds for our operations. You can find more information about our bank commitments in “Liquidity and Capital Resources” of this report under “Management’s Discussion and Analysis of Financial Condition and Results of Operations.”

Other Factors

Due to rapid changes in equipment technology and intensity of use, we must constantly update our equipment and processes to ensure that we provide competitive services to our customers and continue our compliance with the Occupational Safety and Health Act.

We own several trademarks including "Davey," "Davey and Design," "Arbor Green Pro," "Arbor Green," and "Davey Resource Group." Through substantial advertising and use, we believe that these trademarks have become of value in the identification and acceptance of our products and services.

Employees

We employed approximately 8,900 employees at December 31, 2018. However, employment levels fluctuate due to seasonal factors affecting our business. We consider our employee relations to be good.

Domestic and Foreign Operations

We sell our services to customers in the United States and Canada.

We do not consider the risks attendant to our business with foreign customers, other than currency exchange risks, to be materially different from those attendant to our business with domestic customers.

Access to Company Information

Davey Tree’s internet address is http://www.davey.com. Through our internet website, by hyperlink to the Securities and Exchange Commission (“SEC”) website (http://www.sec.gov), we make available, free of charge, our Annual Report on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K, and all amendments to those reports. Availability of the reports occurs contemporaneously with the electronic posting to the SEC’s website as the reports are electronically filed with or furnished to the SEC. The information on our website is not a part of this Annual Report on Form 10-K.

The following documents are also made available on our website and a copy will be mailed, without charge, upon request to our Corporate Secretary:

▪ Code of Ethics

▪ Code of Ethics for Financial Matters

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Item 1A.  Risk Factors.

The factors described below represent the principal risks we face. Except as otherwise indicated, these factors may or may not occur and we are not in a position to express a view on the likelihood of any such factor occurring. Other factors may exist that we do not consider to be significant based on information that is currently available or that we are not currently able to anticipate.

We may be unable to employ a sufficient workforce for our field operations.

Our industry operates in an environment that requires heavy manual labor. We may experience slower growth in the labor force for this type of work than in the past. As a result, we may experience labor shortages or the need to pay more to attract and retain qualified employees.

We could be negatively impacted if our self-insurance accruals or our insurance coverages prove to be inadequate.

We are generally self-insured for losses and liabilities related to workers' compensation, vehicle liability and general liability claims (including any wildfire-related claims, up to certain retained coverage limits). A liability for unpaid claims and associated expenses, including incurred but not reported losses, is actuarially determined and reflected in our consolidated balance sheet as an accrued liability. The determination of such claims and expenses, and the extent of the need for accrued liabilities, are continually reviewed and updated. If we were to experience insurance claims or costs above our estimates and were unable to offset such increases with earnings, our business could be adversely affected. Also, where we self-insure, a deterioration in claims management, whether by our management or by a third-party claims administrator, could lead to delays in settling claims, thereby increasing claim costs, particularly as it relates to workers’ compensation. In addition, catastrophic uninsured claims filed against us or the inability of our insurance carriers to pay otherwise-insured claims would have an adverse effect on our financial condition.

Furthermore, many customers, particularly utilities, prefer to do business with contractors with significant financial resources, who can provide substantial insurance coverage. Should we be unable to renew our excess liability insurance and other commercial insurance policies at competitive rates, this loss would have an adverse effect on our financial condition and results of operations.

The unavailability or cancellation of third-party insurance coverage may have a material adverse effect on our financial condition and results of operations as well as disrupt our operations.

Any of our existing excess insurance coverage may not be renewed upon the expiration of the coverage period or future coverage may not be available at competitive rates for the required limits. In addition, our third-party insurers could fail, suddenly cancel our coverage or otherwise be unable to provide us with adequate insurance coverage. If any of these events occur, they may have a material adverse effect on our financial condition and results of operations as well as disrupt our operations. For example, we have operations in California, which has an environment prone to wildfires. Should our third-party insurers determine to exclude coverage for wildfires in the future, we could be exposed to significant liabilities, having a material adverse effect on our financial condition and results of operations and potentially disrupting our California operations.

We could be materially adversely affected by wildfires in California and other areas and other severe weather events and natural disasters, including negative impacts to our business, reputation, financial condition, results of operations, liquidity and cash flows.

Our financial condition, results of operations, liquidity and cash flows could be materially affected by potential losses resulting from the impact of wildfires and other major weather events and natural disasters, in California and other areas, which have in the past and could in the future expose the Company to litigation and liabilities pursuant to the Company’s indemnification obligations to its customers. Such weather events and natural disasters could result in severe business disruptions, property damage, injuries or loss of life. Such events could result in significant decreases in revenues, cost increases, and other financial difficulties to the Company’s customers and could cause them to file for bankruptcy protection, as has occurred with PG&E in 2019. Any such event could have a material adverse effect on our business, reputation, financial condition, results of operations, liquidity and cash flows. Further, these events could result in government enforcement actions or regulatory penalties, litigation and/or civil or governmental actions, including investigations, citations and fines, against our customers and against us if any related losses are found to be the result of their or our activities and services. Any litigation relating to wildfires could take a number of years to resolve due to the complexity of the matters, including ongoing investigations into the cause of the fire and the number of claims or parties that may be involved.

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Any regulatory responses or wildfire reforms taken by the state of California or any other jurisdiction where we have operations could adversely impact our business, financial condition, results of operations, liquidity and cash flows.

Our business is highly seasonal and weather dependent.

Our business, other than tree services to utility customers, is highly seasonal and weather dependent, primarily due to fluctuations in horticultural services provided to Residential and Commercial customers. We have historically incurred losses in the first quarter, while revenue and operating income are generally highest in the second and third quarters of the calendar year. Inclement weather, such as uncharacteristically low or high (drought) temperatures, in the second and third quarters could dampen the demand for our horticultural services, resulting in reduced revenues that would have an adverse effect on our results of operations.

Financial difficulties or the bankruptcy of one or more of our major customers could adversely affect our results.

Our ability to collect our accounts receivable and future sales depends, in part, on the financial strength of our customers. We grant credit, generally without collateral, to our customers. Consequently, we are subject to credit risk related to changes in business and economic factors throughout the United States and Canada. In the event customers experience financial difficulty, and particularly if bankruptcy results, our profitability may be adversely impacted by our failure to collect our accounts receivable in excess of our estimated allowance for uncollectible accounts. Additionally, our future revenues could be reduced by the loss of a customer due to bankruptcy. Our failure to collect accounts receivable and/or the loss of one or more major customers could have an adverse effect on our net income and financial condition.

On January 29, 2019, our largest customer, PG&E, filed for bankruptcy under Chapter 11 of the U.S. Bankruptcy Code. Our total outstanding receivables from PG&E as of December 31, 2018 was approximately $13 million and we continue to perform work for PG&E under the terms of our contract.

We are subject to third-party and governmental regulatory claims and litigation and adverse litigation judgments or settlements resulting from those claims could materially adversely affect our business.

From time-to-time, customers, vendors, employees, governmental regulatory authorities and others may make claims and take legal action against us. Allegations, claims or proceedings may, for example, relate to personal injury, property damage, general liability claims, vehicle accidents involving our vehicles and our employees, regulatory issues, contract disputes or employment matters and may include class actions. Defending against these and other such claims and proceedings is costly and time consuming and may divert management’s attention and personnel resources from our normal business operations, and the outcome of many of these claims and proceedings cannot be predicted. Whether these claims and legal actions are founded or unfounded, if such claims and legal actions are not resolved in our favor, they may result in significant financial liability. Any such financial liability could have a material adverse effect on our financial condition and results of operations. While we carry a broad range of insurance for the protection of our assets and operations, such insurance may not fully cover all material expenses related to potential allegations, claims and proceedings, or any adverse judgments, fines or settlements that may result. We reserve currently for anticipated losses and related expenses in excess of anticipated insurance coverage that may exist.

We are subject to the risk of changes in fuel costs.

The cost of fuel is a major operating expense of our business. Significant increases in fuel prices for extended periods of time will cause our operating expenses to fluctuate. An increase in cost with partial or no corresponding compensation from customers would lead to lower margins that would have an adverse effect on our results of operations.

We are subject to intense competition.

We believe that each aspect of our business is highly competitive. Principal methods of competition in our operating segments are customer service, marketing, image, performance and reputation. Pricing is not always a critical factor in a customer’s decision with respect to our Residential and Commercial segment; however, pricing is generally the principal method of competition for our Utility segment, although in most instances consideration is given to reputation and past production performance. On a national level, our competition is primarily landscape construction and maintenance companies as well as residential and commercial lawn care companies. At a local and regional level, our competition comes mainly from small, local companies which are engaged primarily in tree care and lawn services. Our Utility segment competes principally with one major national competitor, as well as several smaller regional firms. Furthermore, competitors may have lower costs because privately-owned companies operating in a limited geographic area may have significantly lower labor and overhead costs. Our competitors may develop the expertise, experience and resources to provide services that are superior in both price

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and quality to our services. These strong competitive pressures could inhibit our success in bidding for profitable business and may have a material adverse effect on our business, financial condition and results of operations.

Our business is dependent upon service to our utility customers and we may be affected by developments in the utility industry.

We derive approximately 52% of our total revenues from our Utility segment. Significant adverse developments in the utility industry generally, or specifically for our major utility customers, including the January 2019 Chapter 11 filing by PG&E, could result in pressure to reduce costs by utility industry service providers (such as us), delays in payments of our accounts receivable, or increases in uncollectible accounts receivable, among other things. As a result, such developments could have an adverse effect on our results of operations.

We cannot predict the impact that policies regarding changing climate conditions, including legal, regulatory and social responses thereto, may have on our business.

Many scientists, environmentalists, international organizations, political activists, regulators and other commentators believe that global climate change has added, and will continue to add, to the unpredictability, frequency and severity of natural disasters in certain parts of the world. In response, a number of legal and regulatory measures and social initiatives have been introduced in an effort to reduce greenhouse gas and other carbon emissions that these parties believe may be contributors to global climate change. These proposals, if enacted, could result in a variety of regulatory programs, including potential new regulations, additional charges and taxes to fund energy efficiency activities, or other regulatory actions. Any of these actions could result in increased costs associated with our operations and impact the prices we charge our customers.

We cannot predict the impact, if any, that changing climate conditions will have on us or our customers. However, it is possible that the legal, regulatory and social responses to real or perceived climate change could have a negative effect on our results of operations or our financial condition.

Our quarterly results may fluctuate.

We have experienced and expect to continue to experience quarterly variations in revenues and operating income as a result of many factors, including:

▪ the seasonality of our business;

▪ the timing and volume of customers' projects;

▪ budgetary spending patterns of customers;

▪ the commencement or termination of service agreements;

▪ costs incurred to support growth internally or through acquisitions;

▪ changes in our mix of customers, contracts and business activities;

▪ fluctuations in insurance expense due to changes in claims experience and actuarial assumptions; and

▪ general and local economic conditions.

Accordingly, our operating results in any particular quarter may not be indicative of the results that you can expect for any other quarter or for the entire year.

We may be adversely affected if we enter into a major unprofitable contract.

Our Residential and Commercial segment and our Utility segment frequently operate in a competitive bid contract environment. As a result, we may misjudge a bid and be contractually bound to an unprofitable contract, which could adversely affect our results of operations.

We may be unable to attract and retain skilled management.

Our success depends, in part, on our ability to attract and retain key managers. Competition for the best people can be intense and we may not be able to promote, hire or retain skilled managers. The loss of services of one or more of our key managers could have a material adverse impact on our business because of the loss of the manager's skills, knowledge of our industry and years of industry experience, and the difficulty of promptly finding qualified replacement personnel.

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A disruption in our information technology systems, including a disruption related to cybersecurity, could adversely affect our financial performance.

We rely on the accuracy, capacity and security of our information technology systems. Despite the security measures that we have implemented, including those measures related to cybersecurity, our systems, or the systems of third parties upon whom we rely, could be breached or damaged by computer viruses, natural or man-made incidents or disasters or unauthorized physical or electronic access. A cyberattack or breach involving our information technology systems or those of our suppliers or other partners could result in business disruption including disruptions in critical systems, corruption or loss of data, loss or theft of funds, theft of our intellectual property, trade secrets, customer information or other data and unauthorized access to, or release of, personnel information. To the extent that our business is interrupted or data is lost, destroyed or inappropriately used or disclosed, such disruptions could adversely affect our competitive position, reputation, relationships with our customers, financial condition, operating results and cash flows and could expose us to data loss, allow others to unfairly compete with us, and subject us to litigation, government enforcement actions, regulatory penalties and costly response measures. In addition, we may be required to incur significant costs to protect against the damage caused by these disruptions or security breaches in the future, and we may not have adequate insurance coverage to compensate us for any losses relating to such events.

Because the techniques used to obtain unauthorized access to, or disable, degrade or sabotage, information technology systems change frequently and often are not recognized until launched against a target, we may be unable to anticipate these techniques, implement adequate preventative measures or remediate any intrusion on a timely or effective basis. Moreover, the development and maintenance of these preventative and detective measures is costly and requires ongoing monitoring and updating as technologies change and efforts to overcome security measures become more sophisticated. We, therefore, remain potentially vulnerable to additional known or yet unknown threats, as in some instances, we, or our suppliers and other partners, may be unaware of an incident or its magnitude and effects. We also face the risk that we may expose our customers or partners to cybersecurity attacks. Any of these factors could have a material adverse effect on us.

We may be adversely affected if our reputation is damaged.

We are dependent, in part, upon our reputation of quality, integrity and performance. If our reputation were damaged in some way, it may impact our ability to grow or maintain our business.

Because no public market exists for our common shares, your ability to sell your common shares may be limited.

Our common shares are not traded on any national exchange, market system or over-the-counter bulletin board. Because no public market exists for our common shares, your ability to sell these shares is limited.

Natural disasters, pandemics, terrorist attacks and other external events could adversely affect our business.

Natural disasters, pandemics, terrorist attacks and other adverse external events could materially damage our facilities or disrupt our operations, or damage the facilities or disrupt the operations of our customers or vendors. The occurrence of any such event could adversely affect our business, financial condition and results of operations.

Our failure to comply with environmental laws could result in significant liabilities.

Our facilities and operations are subject to governmental regulations designed to protect the environment, particularly with respect to our services regarding insect and tree, shrub and lawn disease management, because these services involve to a considerable degree the blending and application of spray materials, which require formal licensing in most areas. Continual changes in environmental laws, regulations and licensing requirements, environmental conditions, environmental awareness, technology and social attitudes make it necessary for us to maintain a high degree of awareness of the impact such changes have on our compliance programs and the market for our services. We are subject to existing federal, state and local laws, regulations and licensing requirements regulating the use of materials in our spraying operations as well as certain other aspects of our business. If we fail to comply with such laws, regulations or licensing requirements, we may become subject to significant liabilities, fines and/or penalties, which could adversely affect our financial condition and results of operations.

We may be adversely affected if we are unable to obtain necessary surety bonds or letters of credit.

Surety market conditions are currently difficult as a result of significant losses incurred by many sureties in recent years, both in the construction industry as well as in certain larger corporate bankruptcies. As a result, less bonding capacity is available in the market and terms have become more expensive and restrictive. Further, under standard terms in the surety market, sureties issue or continue bonds on a project-by-project basis and can decline to issue bonds at any time or require the posting of collateral as a condition to issuing or renewing any bonds. If surety providers were to limit or eliminate our access to

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bonding, we would need to post other forms of collateral for project performance, such as letters of credit or cash. We may be unable to secure sufficient letters of credit on acceptable terms, or at all. Accordingly, if we were to experience an interruption or reduction in the availability of bonding capacity, our liquidity may be adversely affected.

Economic conditions may adversely impact our customers’ future spending as well as pricing and payment for our services, thus negatively impacting our operations and growth.

Various economic factors may adversely impact the demand for our services and potentially result in depressed prices for our services and the delay or cancellation of projects. That may make it difficult to estimate our customers' requirements for our services and, therefore, add uncertainty to customer demand. Various economic factors and customers' confidence in future economic conditions may cause a reduction in our customers' spending for our services and may also impact the ability of our customers to pay amounts owed, which could reduce our cash flow and adversely impact our debt or equity financing. These events could have a material adverse effect on our operations and our ability to grow at historical levels.

We may not have access to capital in the future due to uncertainties in the financial and credit markets.

We may need new or additional financing in the future to conduct our operations, expand our business or refinance existing indebtedness. Future changes in the general economic conditions and/or financial markets in the United States or globally could affect adversely our ability to raise capital on favorable terms or at all. From time-to-time we have relied, and may also rely in the future, on access to financial markets as a source of liquidity for working capital requirements, acquisitions and general corporate purposes. Our access to funds under our revolving credit facility is dependent on the ability of the financial institutions that are parties to the facility to meet their funding commitments. Those financial institutions may not be able to meet their funding commitments if they experience shortages of capital and liquidity or if they experience excessive volumes of borrowing requests within a short period of time. Economic disruptions and any resulting limitations on future funding, including any restrictions on access to funds under our revolving credit facility, could have a material adverse effect on us.

We are subject to the effect of foreign currency exchange rate fluctuations, which may have a material adverse impact on us.

We are exposed to foreign currency exchange rate risk resulting from our operations in Canada, where we provide a comprehensive range of horticultural services. Fluctuations in foreign currency exchange rates may make our services more expensive for others to purchase or increase our operating costs, affecting our competitiveness and our profitability. Our financial results could be affected by factors such as changes in the foreign currency exchange rate or differing economic conditions in the Canadian markets as compared with the markets for our services in the United States. Our earnings are affected by translation exposures from currency fluctuations in the value of the U.S. dollar as compared to the Canadian dollar.

Revenues from customers in Canada are subject to foreign currency exchange. Thus, certain revenues and expenses have been, and are expected to be, subject to the effect of foreign currency fluctuations, and these fluctuations may have a material adverse impact on our operating results, asset values and could reduce shareholders’ equity. In addition, if we expand our Canadian operations, exposures to gains and losses on foreign currency transactions may increase.

Increases in our health insurance costs and uncertainty about federal health care policies could adversely affect our results of operations and cash flows.

The costs of employee health care insurance have been increasing in recent years due to rising health care costs, legislative changes, and general economic conditions. We cannot predict what other health care programs and regulations will ultimately be implemented at the federal or state level or the effect of any future legislation or regulations on our business, results of operations and cash flows. In addition, we cannot predict when and if Congress will repeal and/or replace certain health care programs and regulations at the federal level and the impact that such changes would have on our business. A continued increase in health care costs or additional costs incurred as a result of the Patient Protection and Affordable Care Act and the Health Care and Education Reconciliation Act of 2010 or other future health care reform laws imposed by Congress or state legislatures could have a negative impact on our financial position, results of operations and cash flows.

Our inability to properly verify the employment eligibility of our employees could adversely affect our business.

We utilize the U.S. government’s E-Verify program to assist in verifying the employment eligibility of potential new employees and require all new potential employees provide us with government-specified documentation evidencing their employment eligibility. However, the use of E-Verify does not guarantee that we will successfully identify all applicants who are ineligible for employment. While we believe we are in compliance with applicable laws and regulations of U.S. Immigration and Customs Enforcement, it is possible some of our employees may, without our knowledge, be unauthorized

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workers. The employment of unauthorized workers may subject the Company to fines, penalties and other costs related to compliance with laws and regulations as well as adverse publicity that negatively impacts our reputation and brand and may make it more difficult to hire and retain qualified employees. Our operations may also be impacted by additional costs to hire and train new employees. Furthermore, immigration laws have been an area of considerable political focus in recent years, and, from time-to-time, the U.S. government considers or implements changes to federal immigration laws, regulations or enforcement programs. Changes in immigration or work authorization laws may increase our obligations for compliance and oversight, which could subject us to additional costs and potential liability and make our hiring process more cumbersome, or reduce the availability of potential employees.

Item 1B.  Unresolved SEC Staff Comments.

There are no unresolved comments from the Staff of the Securities and Exchange Commission.

Item 2.  Properties.

Our corporate headquarters campus is located in Kent, Ohio, which, along with several other properties in the surrounding area, includes The Davey Institute's research, technical support and laboratory diagnostic facilities.

We conduct administrative functions through our headquarters and our offices in Livermore, California (Utility Services). Our Canadian operations’ administrative functions are conducted through properties located in the provinces of Ontario and British Columbia. We believe our properties are well maintained, in good condition and suitable for our present operations. A summary of our properties follows:

Segment	Number of Properties	How Held	Square Footage	Number of States or Provinces
Residential and Commercial	28	Owned	284,180	15
Utility	3	Owned	36,307	3
Residential and Commercial, and Utility	3	Owned	30,080	3

We also rent approximately 201 properties in 32 states and five provinces.

None of our owned or rented properties used by our business segments is individually material to our operations.

Item 3.  Legal Proceedings.

We are party to a number of lawsuits, threatened lawsuits and other claims arising out of the normal course of business. We assess our liabilities and contingencies in connection with outstanding legal proceedings utilizing the latest information available. Where it is probable that we will incur a loss and the amount of the loss can be reasonably estimated, we record a liability in our consolidated financial statements. These legal accruals may be increased or decreased to reflect any relevant developments on a quarterly basis. Where a loss is not probable or the amount of the loss is not estimable, we do not record an accrual, consistent with applicable accounting guidance. Based on information currently available to us, advice of counsel, and available insurance coverage, we believe that our established accruals are adequate and the liabilities arising from the legal proceedings will not have a material adverse effect on our consolidated financial condition. We note, however, that in light of the inherent uncertainty in legal proceedings there can be no assurance that the ultimate resolution of a matter will not exceed established accruals. As a result, the outcome of a particular matter or a combination of matters may be material to our results of operations for a particular period, depending upon the size of the loss or our income for that particular period.

In November 2017, a suit was filed in Savannah, Georgia state court (“State Court”) against Davey Tree, its subsidiary, Wolf Tree, Inc., a former Davey employee, two Wolf employees, and a former Wolf employee alleging various acts of negligence and seeking compensatory and punitive damages for wrongful death and assault and battery of the plaintiff’s husband, a Wolf Tree employee, who was shot and killed in August 2017. The case was mediated unsuccessfully in December 2018 and was set for trial on January 22, 2019.

In July 2018, a related survival action was filed by the deceased’s estate against Davey Tree, its subsidiary, Wolf Tree, Inc., and four current and former employees in Savannah, Georgia, which arises out of the same allegations, seeks compensatory and punitive damages and also includes three Racketeer Influence and Corrupt Organizations Act ("RICO") claims under Georgia law seeking compensatory damages, treble damages, and punitive damages. The 2018 case was removed to the United States District Court for the Southern District of Georgia, Savannah Division, on August 2, 2018 (“Federal Court”).

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The Company filed a motion to dismiss the RICO claims. Plaintiffs filed a motion to remand the case to state court, which the Company has opposed. The motions are pending.

On December 6, 2018, a former Wolf Tree employee pled guilty to conspiracy to conceal, harbor, and shield illegal aliens. On December 21, 2018, the United States federal prosecutors filed a motion to stay both actions on the grounds that on December 13, 2018, an indictment was issued charging two former Wolf employees and one other individual with various crimes, including conspiracy to murder the deceased. On December 17, 2018, the United States Attorney’s Office for the Southern District of Georgia informed the Company and Wolf Tree that they are also under investigation for potential violations of immigration and other laws relating to the subject matter of the ongoing criminal investigation referenced above. The Company and Wolf Tree are cooperating with the investigation.

On December 28, 2018, the State Court granted the United States’ motion to stay but indicated that it would nonetheless consider certain pending matters, including: (1) Plaintiff and a co-defendant’s motions that Davey Tree be forced to produce privileged documents and testimony, which had been submitted to a Special Master for recommendation; and (2) the Defendants’ motions for summary judgment. On January 11, 2019, the Special Master issued his recommendation that both Plaintiff and the co-defendant’s motions to force Davey to disclose privileged information be denied. The State Court judge has not yet moved on the recommendation. On January 29, 2019, the State Court heard oral argument on Defendants’ motions for summary judgment, and the motions remain pending.

On January 28, 2019, the Federal Court also granted the United States’ motion to stay. On January 29, 2019, the State Court ordered the parties to return to mediation; the case is now set for mediation on April 17, 2019.

In both cases, the Company has denied all liability and is vigorously defending the action. It also has retained separate counsel for some of the individual defendants, each of whom has denied all liability and also is vigorously defending the action.

Item 4.  Mine Safety Disclosures.

Not applicable.

Page 12

Executive Officers of the Company.

Our executive officers and their present positions and ages as of March 1, 2019 follow:

Name	Age	Position	Years with Company	Served as an Executive Officer Since
Patrick M. Covey	55	President and Chief Executive Officer	27	2007
Joseph R. Paul, CPA	57	Executive Vice President, Chief Financial Officer and Secretary	13	2005
Christopher J. Bast, CPA, CTP	51	Vice President and Treasurer	5	2013
James E. Doyle	50	Executive Vice President and General Manager, Davey Tree Expert Co. of Canada, Limited	29	2014
Gregory M. Ina	47	Executive Vice President, The Davey Institute and Employee Development	23	2016
Dan A. Joy	61	Executive Vice President and General Manager, Commercial Landscape Services and Operations Support Services	42	2013
Brent R. Repenning	47	Executive Vice President, U.S. Utility and Davey Resource Group	24	2014
Erika J. Schoenberger	39	Vice President, General Counsel and Assistant Secretary	1	2018
Thea R. Sears, CPA	50	Vice President and Controller	25	2010
James F. Stief	64	Executive Vice President, U.S. Residential Operations	40	2010
Mark J. Vaughn	64	Vice President and General Manager, Eastern Utility Services	46	2013

Mr. Covey was appointed Chief Executive Officer effective July 21, 2017 and served as President and Chief Operating Officer since March 4, 2016 and as a Director since May 20, 2014. He previously served as President and Chief Operating Officer, U.S. Operations, having been appointed in April 2014, and as Chief Operating Officer, U.S. Operations, having been appointed in February 2012. Prior to that time, Mr. Covey served as Executive Vice President, having been appointed in January 2007, Vice President and General Manager of the Davey Resource Group, having been appointed in March 2005, and Vice President, Southern Operations, Utility Services, having been appointed in January 2003. Previously, having joined Davey Tree in August 1991, Mr. Covey held various managerial positions, including Manager of Systems and Process Management and Administrative Manager, Utility Services.

Mr. Paul was elected Executive Vice President, Chief Financial Officer and Secretary effective March 4, 2016 and served as Chief Financial Officer and Secretary, having been appointed in March 2013. Prior to that time, he served as Vice President and Treasurer, having been appointed in May 2011. Mr. Paul joined Davey Tree as Treasurer in December 2005.

Page 13

Mr. Bast was elected Vice President effective September 18, 2017 having previously served as Treasurer since April 2013. Mr. Bast joined Davey Tree in March 2013 and prior to joining us, served in various management positions from 1994 to 2013 at Diebold, Incorporated, a provider of self-service delivery and security systems.

Mr. Doyle was elected Executive Vice President and General Manager, Davey Tree Expert Co. of Canada, Limited (“Davey Tree Limited”), effective May 21, 2014 and served as Vice President and General Manager, Davey Tree Limited, having been appointed in February 2012. Prior to that time, he served as Vice President and General Manager, Operations, Davey Tree Limited, having been appointed in May 2011and Vice President, Operations, Davey Tree Limited, having been appointed in January 2006. Previously, having joined Davey Tree in 1989, Mr. Doyle held various managerial positions, including District Manager and Operations Manager.

Mr. Ina was elected Executive Vice President, The Davey Institute and Employee Development in July 2017, having previously served as Vice President and General Manager of Research, Recruiting and Human Resource Development effective April 4, 2016, and having previously been elected an officer effective March 4, 2016. Prior to this time, he served as Vice President and General Manager of the Davey Institute, having been appointed in May 2009, and General Manager of the Davey Institute, having been appointed in May 2006. Previously, having joined Davey Tree in 1996, Mr. Ina held various managerial and operational positions in the Davey Institute and Davey Resource Group.

Mr. Joy was elected Executive Vice President and General Manager, Commercial Landscape Services and Operations Support Services, effective August 15, 2014 and served as Executive Vice President and General Manager, Commercial Landscape Services, having been appointed in May 2014. Prior to that time, he served as Vice President and General Manager, Commercial Landscape Services, having been appointed in May 2013, and Vice President, Commercial Landscape Services, having been appointed in December 2004. Previously, having joined Davey Tree in 1976, Mr. Joy held various managerial positions, including Operations Manager, District Manager and Assistant District Manager.

Mr. Repenning was elected Executive Vice President, U.S. Utility and Davey Resource Group in July 2017, having previously served as Senior Vice President, Davey Resource Group and Eastern Utility, effective October 2, 2016 and served as Vice President and General Manager, Davey Resource Group, having been appointed in June 2010. Prior to that time, he served as Vice President, Davey Resource Group, having been appointed in October 2009. Previously, having joined Davey Tree in 1994, Mr. Repenning held various managerial and operational positions, including Regional Manager, Production Manager and Supervisor.

Ms. Schoenberger was elected Assistant Secretary in September 2018 having joined the Company in August of 2018 as Vice President and General Counsel. Prior to joining Davey Tree, Ms. Schoenberger served as General Counsel, Corporate Secretary and Senior Vice President at the Oneida Group, Inc., a global marketer of tabletop and food preparation products from September 2013 until she joined the Company. Prior to that, she was a Partner at Frost Brown Todd, LLC, a national full service law firm.

Ms. Sears was elected Vice President effective September 18, 2017 having served as Controller since September 16, 2016 and prior to that, served as Assistant Controller, having been appointed in May 2010. Prior to that time, she served as Manager of Financial Accounting, having been appointed in April 1998, and as Supervisor of Financial Accounting, having been appointed in September 1995.  Having joined Davey Tree in 1993, Ms. Sears has held a variety of roles in financial reporting, managerial reporting and operations accounting.  

Mr. Stief was elected Executive Vice President, U.S. Residential Operations, effective February 12, 2012 and previously served as Vice President and General Manager, Residential/Commercial Services, since January 2010. Prior to that time, Mr. Stief served as Vice President and General Manager, South, West and Central Residential/Commercial Operations, having been appointed in January 2007, and Vice President South, West and Central Residential/Commercial Operations, having been appointed in January 1997. Previously, having joined Davey Tree in 1978, Mr. Stief held various managerial positions, including Operations Manager and District Manager.

Mr. Vaughn was elected Vice President and General Manager, Eastern Utility Services, effective June 6, 2010, and served as Vice President, Eastern Utility Services, having been appointed in December 2007. Prior to that time, he served as Vice President, Northern Operating Group, Utility Services, having been appointed in July 2002. Previously, having joined Davey Tree in 1972, Mr. Vaughn held various managerial positions, including Operations Manager and Regional Manager.

Our officers serve from the date of their election to the next organizational meeting of the Board of Directors and until their respective successors are elected.

Page 14

PART II

Item 5.  Market for Company’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities.

Our common shares are not listed or traded on an established public trading market and market prices are, therefore, not available. Semiannually, for purposes of the Davey 401KSOP and ESOP, the fair market value of our common shares is determined by an independent stock valuation firm, based upon our performance and financial condition, using a peer group of comparable companies selected by that firm. The peer group currently consists of: ABM Industries Incorporated; Comfort Systems USA, Inc.; Dycom Industries, Inc.; MYR Group, Inc.; Quanta Services, Inc.; Rollins, Inc.; and Scotts Miracle-Gro Company. The semiannual valuations are effective for a period of six months and the per-share price established by those valuations is the price at which our Board of Directors has determined our common shares will be bought and sold during that six-month period in transactions involving Davey Tree or one of its employee benefit or stock purchase plans. Since 1979, we have provided a ready market for all shareholders through our direct purchase of their common shares, although we are under no obligation to do so (other than for repurchases pursuant to the put option under The Davey 401KSOP and ESOP Plan, as described in Note N). These purchases are added to our treasury stock.

The following table sets forth, for the periods indicated, the high and low common share price (in dollars) and the cash dividends declared per common share (in cents).

	Common Stock Price Range				Cash Dividends Declared
	High		Low
Fiscal Year 2018
First quarter ended March 31, 2018	$	19.10	$	18.30	2.50
Second quarter ended June 30, 2018	19.10		19.10		2.50
Third quarter ended September 29, 2018	19.10		19.70		2.50
Fourth quarter ended December 31, 2018	19.70		19.70		2.50
Fiscal Year 2017
First quarter ended April 1, 2017	16.95		17.60		2.50	*
Second quarter ended July 1, 2017	17.60		17.60		2.50
Third quarter ended September 30, 2017	17.60		18.30		2.50
Fourth quarter ended December 31, 2017	18.30		18.30		2.50
* - Adjusted for a two-for-one stock split, effected in the form of a 100% stock dividend paid on June 15, 2017 to shareholders of record at the close of business on June 1, 2017.

We presently expect to pay comparable cash dividends in 2019.

Record Holders and Common Shares

On March 8, 2019 we had 3,771 record holders of our common shares.

On March 8, 2019 we had 22,922,773 common shares outstanding and options exercisable to purchase 889,814 common shares, partially-paid subscriptions for 690,260 common shares and purchase rights outstanding for 241,236 common shares.

Recent Sales of Unregistered Securities

None.

Page 15

Purchases of Equity Securities

The following table provides information on purchases made by the Company of our common shares during the fiscal year ended December 31, 2018.

Period	Total Number of Shares Purchased	Average Price Paid per Share		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs	Maximum Number (or Approximate Dollar Value) of Shares that May Yet Be Purchased Under the Plans or Programs
Fiscal 2018
January 1 to January 27	1,052	$	18.30	—	129,761
January 28 to February 24	213	18.30		—	129,761
February 25 to March 31	299,799	19.10		—	129,761
Total First Quarter	301,064	19.10		—
April 1 to April 28	336,766	19.10		—	129,761
April 29 to May 26	250,173	19.10		—	1,129,761
May 27 to June 30	473,939	19.10		127,486	1,002,275
Total Second Quarter	1,060,878	19.10		127,486
July 1 to July 28	1,267	19.10		—	1,002,275
July 29 to August 25	100,651	19.70		—	1,002,275
August 26 to September 29	149,781	19.70		—	1,002,275
Total Third Quarter	251,699	19.70		—
September 30 to October 27	419,477	19.70		—	1,002,275
October 28 to December 1	521,662	19.70		47,783	954,492
December 2 to December 31	82,163	19.70		—	954,492
Total Fourth Quarter	1,023,302	19.70		47,783
Total Year to Date	2,636,943	$	19.39	175,269

At the Annual Meeting of Shareholders of the Company held on May 16, 2017, the shareholders of the Company approved proposals to amend the Company's Articles of Incorporation to (i) expand the Company's current right of first refusal with respect to proposed transfers of shares of the Company's common shares, (ii) clarify provisions regarding when the Company may provide notice of its decision to exercise its right of first refusal with respect to proposed transfers of common shares by the estate or personal representative of a deceased shareholder, and (iii) grant the Company a right to repurchase common shares held by certain shareholders of the Company.

On May 10, 2017, the Board of Directors of the Company adopted a policy regarding the Company's exercise of the repurchase right granted to the Company through amendments to the Company's Articles of Incorporation, as approved by shareholders on May 16, 2017.

Until further action by the Board, it will be the policy of the Company not to exercise its repurchase rights under the amended Articles with respect to shares of the Company's common shares held by current and retired employees and current and former directors of the Company (subject to exceptions set forth in the policy) (collectively, "Active Shareholders"), their spouses, their first-generation descendants and trusts established exclusively for their benefit.

Until further action by the Board, it will also be the policy of the Company not to exercise its rights under the amended Articles to repurchase shares of the Company's common shares proposed to be transferred by an Active Shareholder to his or

Page 16

her spouse, a first-generation descendant, or a trust established exclusively for the benefit of one or more of an Active Shareholder, his or her spouse and first-generation descendants of an Active Shareholder, or upon the death of an Active Shareholder, such transfers from the estate or personal representative of a deceased Active Shareholder. The Board may suspend, change or discontinue the policy at any time without prior notice.

In accordance with the amendments to the Articles approved by the Company's shareholders at the 2017 Annual Meeting on May 17, 2017, the Company's Board of Directors authorized the Company to repurchase up to 200,000 common shares, which authorization was increased by an additional 1,000,000 common shares in May 2018. Of the 1,200,000 total shares authorized, 954,492 remain available under the program. Share repurchases may be made from time to time and the timing of any repurchases and the actual number of shares repurchased will depend on a variety of factors. The Company is not obligated to purchase any shares, and repurchases may be commenced, suspended or discontinued from time to time without prior notice. The repurchase program does not have an expiration date.

Page 17

Stock Performance Graph

Comparison of five-year cumulative return among The Davey Tree Expert Company, S&P 500 Stock Index and Selected Peer Group Companies Index

The following Performance Graph compares cumulative total shareholder returns (assuming reinvestment of dividends) for The Davey Tree Expert Company common shares during the last five years to the Standard & Poor’s 500 Stock Index (the "S&P 500 Index") and to an index of selected peer group companies. The peer group, which is the same group used by Davey’s independent stock valuation firm, consists of: ABM Industries Incorporated; Comfort Systems USA, Inc.; Dycom Industries, Inc.; MYR Group, Inc.; Quanta Services, Inc.; Rollins, Inc.; and Scotts Miracle-Gro Company.

	2013	2014	2015	2016	2017	2018
Davey Tree	100	115	126	136	148	165
S&P 500 Index	100	114	115	129	157	150
Peer Group	100	102	107	153	187	161

The Performance Graph and related information above shall not be deemed “soliciting material” or be “filed” with the Securities and Exchange Commission, nor shall such information be incorporated by reference into any future filing under the Securities Act of 1933 or Securities Exchange Act of 1934, each as amended, except to the extent that we specifically incorporate it by reference into such filing.

Page 18

Item 6.  Selected Financial Data.

	Fiscal Year Ended December 31,
	2018			2017			2016			2015			2014
	(In thousands, except ratio and per share data)
Operating Statement Data:
Revenues	$	1,024,791		$	915,958		$	845,678		$	821,904		$	789,911
Costs and expenses:
Operating	665,388			587,333			541,486			528,899			508,677
Selling	184,388			167,934			152,106			144,234			140,027
General and administrative	67,462			59,403			58,293			55,518			52,558
Depreciation	54,914			50,702			47,284			44,677			40,970
Amortization of intangible assets	2,055			2,384			2,306			2,214			2,070
Gain on sale of assets, net	(5,106		)	(3,989		)	(4,664		)	(2,026		)	(806		)
Income from operations	55,690			52,191			48,867			48,388			46,415
Interest expense	(7,039		)	(4,886		)	(4,393		)	(3,355		)	(2,948		)
Interest income	350			292			255			249			295
Other expense	(11,505		)	(9,603		)	(7,485		)	(10,024		)	(5,462		)
Income before income taxes	37,496			37,994			37,244			35,258			38,300
Income taxes	9,519			15,874			14,960			13,460			15,131
Net income	$	27,977		$	22,120		$	22,284		$	21,798		$	23,169
Earnings per share--diluted *	$	1.10		$	.83		$	.82		$	.78		$	.81
Shares used for computing per share amounts--diluted *	25,481			26,697			27,247			27,955			28,477
Other Financial Data:
Depreciation and amortization	$	56,969		$	53,086		$	49,590		$	46,891		$	43,040
Capital expenditures	60,410			57,100			56,646			56,047			55,731
Cash flow provided by (used in):
Operating activities	62,104			56,776			55,370			62,689			49,279
Investing activities	(61,377		)	(59,518		)	(54,808		)	(56,046		)	(64,060		)
Financing activities	9,956			6,410			(7,721		)	(7,140		)	17,335
Cash dividends declared per share *	$	.1000		$	.1000		$	.1000		$	.1000		$	.0925

Page 19

	As of December 31,
	2018		2017		2016		2015		2014
	(In thousands, except ratio and per share data)
Balance Sheet Data:
Working capital	$	115,756	$	80,468	$	59,868	$	48,984	$	49,916
Current ratio	1.83		1.63		1.50		1.44		1.46
Property and equipment, net	202,285		193,183		179,436		166,422		160,883
Total assets	526,623		473,135		423,939		393,586		381,004
Long-term debt	158,425		119,210		92,623		85,104		81,306
Other long-term liabilities	66,476		63,878		60,565		55,464		54,854
Redeemable common shares related to 401KSOP and Employee Stock Ownership Plan (ESOP)	119,049		123,520		124,201		127,089		123,668
Total common shareholders' equity	43,361		37,870		27,978		14,450		12,826
Redeemable common shares *	5,642		6,467		7,057		7,773		8,217
Common shares: *
Issued	37,272		36,447		35,857		35,141		34,697
Less: In treasury	20,033		18,693		17,991		17,427		16,584
Net outstanding	22,881		24,221		24,923		25,487		26,330
Stock options: *
Outstanding	1,466		1,529		1,599		1,634		1,540
Exercisable	890		801		751		834		778
ESOT valuation per share *	$	21.10	$	19.10	$	17.60	$	16.35	$	15.05

* Years 2014 to 2016have been adjusted for the two-for-one stock split, effective June 1, 2017, as discussed in Note B to the audited financial statements included in Item 8.

Item 7.  Management's Discussion and Analysis of Financial Condition and Results of Operations.

(Amounts in thousands, except share data)

Management’s Discussion and Analysis of Results of Operations and Financial Condition (“MD&A”) is provided as a supplement to the accompanying consolidated financial statements and notes to help provide an understanding of our financial condition, cash flows and results of operations. MD&A is organized as follows:

▪ Overview of 2018 Results;

▪ Results of Operations, including fiscal 2018 compared to fiscal 2017, fiscal 2017 compared to fiscal 2016 and other matters;

▪ Liquidity and Capital Resources, including cash flow summary, off-balance sheet arrangements, and capital resources;

▪ Recent Accounting Guidance;

▪ Critical Accounting Policies and Estimates; and

▪ Market Risk Information, including interest rate risk and foreign currency exchange rate risk.

OVERVIEW OF 2018 RESULTS

General

We provide a wide range of horticultural, arboricultural, environmental and consulting services to residential, commercial, utility and institutional customers throughout the United States and Canada.

Our Business--We have two reportable operating segments organized by type or class of customer: Residential and Commercial, and Utility.

Page 20

Residential and Commercial--Residential and Commercial provides services to our residential and commercial customers including: the treatment, preservation, maintenance, removal and planting of trees, shrubs and other plant life; the practice of landscaping, grounds maintenance, tree surgery, tree feeding and tree spraying; the application of fertilizer, herbicides and insecticides; and natural resource management and consulting, forestry research and development, and environmental planning.

Utility--Utility is principally engaged in providing services to our utility customers--investor-owned, municipal utilities, and rural electric cooperatives--including: the practice of line-clearing and vegetation management around power lines, rights-of-way and chemical brush control; and natural resource management and consulting, forestry research and development and environmental planning.

All other operating activities, including research, technical support and laboratory diagnostic facilities, are included in “All Other.”

Results of Operations

The following table sets forth our consolidated results of operations as a percentage of revenues and the percentage change in dollar amounts of the results of operations for the periods presented:

	Year Ended December 31,						Percentage Change
	2018		2017		2016		2018/2017		2017/2016
Revenues	100.0	%	100.0	%	100.0	%	11.9	%	8.3	%
Costs and expenses:
Operating	64.9		64.1		64.0		13.3		8.5
Selling	18.0		18.3		18.0		9.8		10.4
General and administrative	6.6		6.5		6.9		13.6		1.9
Depreciation	5.4		5.5		5.6		8.3		7.2
Amortization of intangible assets	.2		.3		.3		(13.8	)	3.4
Gain on sale of assets, net	(.5	)	(.4	)	(.6	)	28.0		(14.5	)
	94.6		94.3		94.2		12.2		8.4
Income from operations	5.4		5.7		5.8		6.7		6.8
Other income (expense):
Interest expense	(.7	)	(.5	)	(.5	)	44.1		11.2
Interest income	—		—		—		—		—
Other	(1.1	)	(1.1	)	(.9	)	19.8		28.3
Income before income taxes	3.6		4.1		4.4		(1.3	)	2.0
Income taxes	.9		1.7		1.8		(40.0	)	6.1
Net income	2.7	%	2.4	%	2.6	%	26.5	%	(.7	)%

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Fiscal 2018 Compared to Fiscal 2017

A comparison of our fiscal year 2018 results to 2017 follows:

	Year Ended December 31,
	2018			2017			Change			% Change
Revenues	$	1,024,791		$	915,958		$	108,833		11.9	%
Costs and expenses:
Operating	665,388			587,333			78,055			13.3
Selling	184,388			167,934			16,454			9.8
General and administrative	67,462			59,403			8,059			13.6
Depreciation	54,914			50,702			4,212			8.3
Amortization of intangible assets	2,055			2,384			(329		)	(13.8	)
Gain on sale of assets, net	(5,106		)	(3,989		)	1,117			28.0
	969,101			863,767			105,334			12.2
Income from operations	55,690			52,191			3,499			6.7
Other income (expense):
Interest expense	(7,039		)	(4,886		)	(2,153		)	44.1
Interest income	350			292			58			19.9
Other	(11,505		)	(9,603		)	(1,902		)	19.8
Income before income taxes	37,496			37,994			(498		)	(1.3	)
Income taxes	9,519			15,874			(6,355		)	(40.0	)
Net income	$	27,977		$	22,120		$	5,857		26.5	%

Revenues--Revenues of $1,024,791 increased $108,833 compared with the $915,958 reported in 2017. Utility increased $70,757, or 15.2%, from the prior year. The increase is attributable to additional revenues from increased work year-over-year on existing accounts, including special project work with PG&E related to wild-fire risk remediation, rate increases as well as new accounts. Residential and Commercial increased $39,977, or 9.0%, from 2017. Increases primarily in tree surgery, plant care and consulting services were partially offset by decreases in storm damage services. Total consolidated revenue of $1,024,791 includes production incentive revenue of $627 during 2018 as compared with $2,336 during 2017.

Operating Expenses--Operating expenses of $665,388increased $78,055 from the prior year, and as a percentage of revenues increased .8% to 64.9%. Utility experienced an increase of $45,066, or 12.9%, from 2017, but as a percentage of revenues decreased 1.4% to 73.6%. Increases in employee labor and benefits expense, fuel expense, equipment expense, tools and parts expense, subcontractor expense, disposal expense and crew expenses associated with the increased revenues were partially offset by decreases in material expense. Residential and Commercial increased $23,823, or 10.3%, compared with 2017and as a percentage of revenue increased .6% to 52.8%. Increases primarily in employee labor and benefits expense, repair and maintenance expense, fuel expense, materials expense, subcontractor expense and crew expense account for the increase.

Fuel costs increased in 2018 as compared with fuel costs for 2017 and impacted operating expenses within both segments. During 2018, fuel expense of $34,546increased $7,119, or 26.0%, from the $27,427 incurred in 2017. The $7,119increase included price increases approximating $1,570 and usage increases approximating $5,549.

Selling Expenses--Selling expenses of $184,388increased $16,454 from 2017but as a percentage of revenues decreased .3% to 18.0%.Utility increased $7,122, or 14.1%, from 2017but as a percentage of revenue decreased .1% to 10.7%. Increases primarily in field management wages and incentive expense, rent expense and computer expense account for the increase. Residential and Commercial increased $9,557, or 7.9%, from 2017but as a percentage of revenue decreased .2% to 26.9%. Increases primarily in field management wages and incentive expense, sales and marketing expense, office rent, employee development expense and field management auto expense account for the increase.

General and Administrative Expenses--General and administrative expenses increased $8,059 to $67,462, an increase of 13.6% from the $59,403 experienced in 2017and as a percentage of revenues increased .1% to 6.6%.Increases in salary and incentive expense, insurance expense, professional services, computer expense, travel expense and office expense were partially offset by a reduction in stock compensation expense.

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Depreciation and Amortization Expense--Depreciation and amortization expense of $56,969increased $3,883 from the prior year but as a percentage of revenues decreased .2% to 5.6%. The increase is attributable to higher capital expenditures for equipment partially offset by a decrease in amortization expense related to our acquired intangible assets.

Gain on Sale of Assets--Gain on the sale of assets of $5,106increased $1,117 from the $3,989 experienced in 2017. The increase is the result of the sale of two properties in 2018 compared to one property sold in 2017, partially offset by lower average sales prices on fewer trucks disposed of in 2018 as compared with 2017.

Interest Expense--Interest expense of $7,039increased $2,153 from the $4,886 incurred in 2017. The increase is attributable to higher average debt levels and borrowing rates necessary to fund operations and capital expenditures.

Other, Net--Other, net of $11,505increased $1,902 from the $9,603 experienced in 2017. Other, net, consisted of nonoperating income and expense, including pension expense and foreign currency gains/losses on the intercompany account balances of our Canadian operations. An increase in pension expense accounted for the increase.

Income Taxes--Income taxes for 2018 were $9,519, an effective tax rate of 25.4%, compared with income taxes for 2017 of $15,874, or an effective tax rate of 41.8%.The decrease of 16.4% in the effective tax rate as compared to 2017 relates primarily to changes in the statutory rate as a result of the Tax Cuts and Jobs Act (the "Tax Reform Act"), as described in Note Q, enacted in the fourth quarter of 2017.

Net Income--Net income of $27,977 was $5,857more than the $22,120 earned in 2017. The increase in income from operations of $3,499 and decrease in income taxes of $6,355 was offset by increases in other nonoperating expenses of $1,902, and interest expense of $2,153.

Fiscal 2017 Compared to Fiscal 2016

A comparison of our fiscal year 2017 results to 2016 follows:

	Year Ended December 31,
	2017			2016			Change			% Change
Revenues	$	915,958		$	845,678		$	70,280		8.3	%
Costs and expenses:
Operating	587,333			541,486			45,847			8.5
Selling	167,934			152,106			15,828			10.4
General and administrative	59,403			58,293			1,110			1.9
Depreciation	50,702			47,284			3,418			7.2
Amortization of intangible assets	2,384			2,306			78			3.4
Gain on sale of assets, net	(3,989		)	(4,664		)	675			(14.5	)
	863,767			796,811			66,956			8.4
Income from operations	52,191			48,867			3,324			6.8
Other income (expense):
Interest expense	(4,886		)	(4,393		)	(493		)	11.2
Interest income	292			255			37			14.5
Other	(9,603		)	(7,485		)	(2,118		)	28.3
Income before income taxes	37,994			37,244			750			2.0
Income taxes	15,874			14,960			914			6.1
Net income	$	22,120		$	22,284		$	(164	)	(.7	)%

Revenues--Revenues of $915,958 increased $70,280 compared with the $845,678 reported in 2016. Utility increased $33,348, or 7.7%, from the prior year. The increase is attributable to additional revenues from storm-related services provided as a result of Hurricane Irma in the Southeast United States and increased work year-over-year on existing accounts as well as new accounts. Residential and Commercial increased $35,150, or 8.6%, from 2016. Increases in tree surgery, spraying, landscaping, pest management as well as storm-related work as a result of Hurricane Irma were partially offset by decreases in snow removal and mowing revenues. Higher contract rates on our tree pruning, tree removal and liquid services, increased storm revenue, increased productivity and additional revenue from the purchase of businesses accounted for the increase. 

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Total consolidated revenue of $915,958 includes production incentive revenue, recognized under the completed-performance method, of $2,336 during 2017 as compared with $2,827 during 2016.

Operating Expenses--Operating expenses of $587,333 increased $45,847 from the prior year, and as a percentage of revenues increased .1% to 64.1%. Utility experienced an increase of $28,043, or 8.7%, from 2016, and as a percentage of revenues increased .6% to 75.0%. Increases in employee labor and benefits expense, fuel expense, subcontractor expense, disposal expense and crew expenses associated with the increased revenues were partially offset by decreases in repair and maintenance expense and material expense. Residential and Commercial increased $16,234, or 7.5%, compared with 2016 but as a percentage of revenue decreased .4% to 52.2%. Increases primarily in employee labor and benefits expense, repair and maintenance expense, fuel expense, materials expense, subcontractor expense and crew expense account for the increase.

Fuel costs increased in 2017 as compared with fuel costs for 2016 and impacted operating expenses within both segments. During 2017, fuel expense of $27,427 increased $4,750, or 20.9%, from the $22,677 incurred in 2016. The $4,750 increase included price increases approximating $3,861 and usage increases approximating $889.

Selling Expenses--Selling expenses of $167,934 increased $15,828 from 2016 and as a percentage of revenues increased .3% to 18.3%.Utility increased $4,916, or 10.8%, from 2016 and as a percentage of revenue increased .3% to 10.8%. Increases in field management wages and incentive expense, office support wage expense, field management auto expense, rent expense and communication expense were partially offset by reductions in field management travel expense, local office expense, computer expense and employee development expense. Residential and Commercial increased $11,062, or 10.1%, from 2016 and as a percentage of revenue increased .3% to 27.1%. Increases primarily in field management wages and incentive expense, office support wage expense, sales and marketing expense, employee development expense, communication expense and field management travel expense were partially offset by a reduction in computer expense.

General and Administrative Expenses--General and administrative expenses increased $1,110 to $59,403, an increase of 1.9% from the $58,293 experienced in 2016 but as a percentage of revenues decreased .4% to 6.5%. Increases in salary and incentive expense, stock compensation expense, computer expense and office rent expense were partially offset by a decrease in office expenses, communication expense and management travel expense.

Depreciation and Amortization Expense--Depreciation and amortization expense of $53,086 increased $3,496 from the prior year and as a percentage of revenues decreased .1% to 5.8%. The increase is attributable to higher capital expenditures for equipment, land and buildings and an increase in amortization expense related to our acquired intangible assets.

Gain on Sale of Assets--Gain on the sale of assets of $3,989 decreased $675 from the $4,664 experienced in 2016. The decrease is the result of lower average sales prices on units disposed of in 2017 as compared with 2016. In addition, the gain of $4,664 in 2016 also included the sale of a building.

Interest Expense--Interest expense of $4,886 increased $493 from the $4,393 incurred in 2016. The increase is attributable to higher average debt levels and borrowing rates necessary to fund operations and capital expenditures.

Other, Net--Other, net of $9,603 increased $2,118 from the $7,485 experienced in 2016. Other, net, consisted of nonoperating income and expense, including pension expense and foreign currency gains on the intercompany account balances of our Canadian operations. An increase in pension expense accounted for the increase.

Income Taxes--Income taxes for 2017 were $15,874, an effective tax rate of 41.8%, compared with income taxes for 2016 of $14,960, or an effective tax rate of 40.2%.The increase of 1.6% in the effective tax rate as compared to 2016 relates primarily to changes in our deferred taxes as a result of the Tax Reform Act, as described in Note Q, enacted in the fourth quarter of 2017.

Net Income--Net income of $22,120 was $164 less than the $22,284 earned in 2016. The increase in income from operations of $3,324 was offset by increases in other nonoperating expenses of $2,118, interest expense of $493 and income taxes of $914.

Goodwill—Impairment Tests

Annually, we perform the impairment tests for goodwill during the fourth quarter. Impairment of goodwill is tested at the reporting-unit level, which for us are also our business segments. Impairment of goodwill is tested by comparing the reporting unit’s carrying value, including goodwill, to the fair value of the reporting unit. The fair values of the reporting units are estimated using discounted projected cash flows. If the carrying value of the reporting unit exceeds its fair value, goodwill is considered impaired and an impairment charge is recognized for the amount by which the carrying amount exceeds the reporting unit's fair value, not to exceed the carrying value of the goodwill allocated to that reporting unit. We

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conducted our annual impairment tests and determined that no impairment loss was required to be recognized in 2018 or for any prior periods. There were no events or circumstances from the date of our assessment through December 31, 2018 that would impact this conclusion.

The fair values of the reporting units were estimated using discounted projected cash flows for the goodwill impairment tests and analysis that required judgmental assumptions about revenues, operating margins, growth rates, discount rates, and working capital requirements. In determining those judgmental assumptions, we consider data, including--for each reporting unit--its annual budget for the upcoming year, its longer-term performance expectations, anticipated future cash flows and market data. Assumptions were also made for perpetual growth rates for periods beyond the forecast period.

If the fair values of the reporting units were less than the carrying values of the reporting units (including recorded goodwill), determined through the discounted projected cash flow methodology, goodwill impairment may be present. In such an instance, an impairment charge would be recognized for the amount by which the reporting unit’s carrying amount of goodwill exceeded the reporting unit's fair value of goodwill, not to exceed the carrying value of the goodwill allocated to that reporting unit.

The carrying value of the recorded goodwill for all reporting units totaled approximately $38,000 at December 31, 2018. Based upon the goodwill impairment analysis conducted in the fourth quarter 2018, the determined fair value of the reporting units exceeded their carrying value by more than a significant amount.

LIQUIDITY AND CAPITAL RESOURCES

Our principal financial requirements are for capital spending, working capital and business acquisitions. Cash generated from operations, our revolving credit facility and note issuances are our primary sources of capital.

Cash Flow Summary

Our cash flows from operating, investing and financing activities, as reflected in the Consolidated Statements of Cash Flow for the years ended December 31, 2018 and December 31, 2017, are summarized as follows:

	2018			2017
Cash provided by (used in):
Operating activities	$	62,104		$	56,776
Investing activities	(61,377		)	(59,518		)
Financing activities	9,956			6,410
Effect of exchange rate changes on cash	(252		)	447
Increase in cash	$	10,431		$	4,115

Net Cash Provided by Operating Activities--Operating activities in 2018 provided cash of $62,104 as compared to $56,776 provided in 2017. The $5,328 net increase was primarily attributable to (i) an increase of $11,235 of cash provided by self-insurance accruals, offset by (ii) $6,045 more cash used in accounts receivable, (iii) $8,134 more cash used in accounts payable and accrued expenses, and (iv) $1,835 more cash used in other assets, net.

Overall, accounts receivable increased $26,829 in 2018 as compared to the increase of $20,784 experienced in 2017. The increase in 2018 was attributable to the timing of payments from utility segment customers. With respect to the change in accounts receivable arising from business levels, the “days-sales-outstanding” in accounts receivable (“DSO”) at the end of 2018 decreased by three days to 64 days, as compared to 2017. The DSO at December 31, 2017 was 67 days.

Accounts payable and accrued expenses decreased $1,970 in 2018, $8,134 less than the increase of $6,164 experienced in 2017. Decreases in trade payables and income taxes were partially offset by increases in employee compensation accruals and compensated absence accruals.

Self-insurance accruals increased $16,091 in 2018, a change of $11,235 compared to the increase of $4,856 experienced in 2017. The increase occurred within all classifications (workers compensation, vehicle liability and general liability) and resulted primarily from an overall increase in deductible amounts under commercial insurance or the self-insured risk retention.

Other assets, net, increased $9,176 in 2018, as compared to the $11,011 increase in 2017. Decreases in pension liabilities andincreases in operating supplies and prepaid expenses account for the change.

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Net Cash Used in Investing Activities--Investing activities used $61,377 in cash, $1,859 more than the $59,518 used in 2017. Increases in expenditures for equipment and purchases of businesses were offset by a decrease in expenditures for land and buildings and greater proceeds from the sales of assets.

Net Cash Provided by Financing Activities--Financing activities provided $9,956 in cash in 2018, $3,546 more than the $6,410 of cash provided in 2017. Our revolving credit facility used $6,500 as compared with the $33,000 provided during 2017. We use the revolving credit facility primarily for capital expenditures and payments of notes payable, primarily related to acquisitions. Proceeds from notes payable totaled $74,716 and payments of long-term debt and capital leases totaled $26,339 during 2018. Purchases of common shares for treasury of $51,116 were partially offset by net cash received of $21,582 from the sale of common shares and cash received on our common share subscriptions. Dividends paid during 2018 totaled $2,387.

The Company currently repurchases common shares at the shareholders’ request in accordance with the terms of the Davey 401KSOP and ESOP Plan and also repurchases common shares from time to time at the Company’s discretion. The amount of common shares offered to the Company for repurchase by the holders of shares distributed from the Davey 401KSOP and ESOP Plan is not within the control of the Company, but is at the discretion of the shareholders. The Company expects to continue to repurchase its common shares, as offered by its shareholders from time to time, at their then current fair value. However, (other than repurchases pursuant to the put option under the Davey 401KSOP and ESOP Plan, as described in Note N) such purchases are not required, and the Company retains the right to discontinue them at any time. Repurchases of redeemable common shares from the Davey 401KSOP and ESOP at the shareholders’ request approximated $30,059 and $14,587 in 2018 and 2017, respectively. Purchases of common shares, other than redeemable common shares, approximated $21,057 and $15,979 in 2018 and 2017, respectively.

Revolving Credit Facility and Senior Unsecured Notes--In October 2017, we amended and restated our revolving credit facility, as further amended in September 2018, as discussed below. The Amended and Restated Credit Agreement provides for a revolving credit facility with a group of banks under which up to an aggregate of $250,000 is available, with a letter of credit sublimit of $100,000 and a swing line commitment of $25,000. Under certain circumstances, the amount available under the revolving credit facility may be increased to $325,000.

The Amended and Restated Credit Agreement extended the term of the revolving credit facility to October 6, 2022 from November 7, 2018. The revolving credit facility contains certain affirmative and negative covenants customary for this type of facility and includes financial covenant ratios with respect to a maximum leverage ratio (not to exceed 3.00 to 1.00 with exceptions in case of material acquisitions) and a minimum interest coverage ratio (not less than 3.00 to 1.00), in each case subject to certain further restrictions as described in the Credit Agreement. As of December 31, 2018, we were in compliance with all financial covenants contained in our revolving credit facility.

As of December 31, 2018, we had unused commitments under the facility approximating$153,377, and$96,623committed, which consisted of borrowings of$93,500 and issued letters of credit of$3,123. Borrowings outstanding bear interest, at our option, of either (a) the base rate or (b) LIBOR plus a margin adjustment ranging from .875% to 1.50%--with the margin adjustments in both instances based on the Company's leverage ratio at the time of borrowing. The base rate is the greater of (i) the agent bank’s prime rate, (ii) LIBOR plus 1.5%, or (iii) the federal funds rate plus .5%. A commitment fee ranging from .10% to .225% is also required based on the average daily unborrowed commitment.

On July 22, 2010, we issued $30,000 of 5.09% Senior Unsecured Notes, Series A, due July 22, 2020 (the "5.09% Senior Notes"). The 5.09% Senior Notes were issued pursuant to a Master Note Purchase Agreement (the “Purchase Agreement”), between Davey Tree and the purchasers of the 5.09% Senior Notes. The net proceeds of the 5.09% Senior Notes were used in 2010 to pay down borrowings under our revolving credit facility.

The 5.09% Senior Notes are equal in right of payment with our revolving credit facility and all other senior unsecured obligations of the Company. Interest is payable semiannually and five equal, annual principal payments commenced on July 22, 2016 (thesixth anniversary of issuance).  The Purchase Agreement contains customary events of default and covenants related to limitations on indebtedness and transactions with affiliates and the maintenance of certain financial ratios. As of December 31, 2018, we were in compliance with all financial covenants.

On September 21, 2018, we issued 3.99% Senior Notes, Series A (the "3.99% Senior Notes"), in the aggregate principal amount of $50,000. The 3.99% Senior Notes are due September 21, 2028.

The 3.99% Senior Notes were issued pursuant to a Note Purchase and Private Shelf Agreement (the “Note Purchase and Shelf Agreement”) between the Company, PGIM, Inc. and the purchasers of the 3.99% Senior Notes. 

The net proceeds of the 3.99% Senior Notes were used to pay down borrowings under our revolving credit facility.

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The 3.99% Senior Notes are equal in right of payment with our revolving credit facility and all other senior unsecured obligations of the Company. Interest is payable semiannually and five equal, annual principal payments of $10,000 commence on September 21, 2024 (thesixth anniversary of issuance).  The Note Purchase and Shelf Agreement contains customary events of default and covenants related to limitations on indebtedness and transactions with affiliates and the maintenance of certain financial ratios. The Company may prepay at any time all, or from time to time any part of, the outstanding principal amount of the 3.99% Senior Notes, subject to the payment of a make-whole amount. As of December 31, 2018, we are in compliance with all debt covenants.

In conjunction with the issuance of the 3.99% Senior Notes, on September 21, 2018, the Company entered into an amendment to its revolving credit facility.

The amendment amended certain provisions and covenants in the credit agreement to generally conform them to the corresponding provisions and covenants in the Note Purchase and Shelf Agreement. The amendment also permitted the Company to incur indebtedness arising under the Note Purchase and Shelf Agreement in an aggregate principal amount not to exceed $75,000, which included the $50,000 of 3.99% Senior Notes, plus an additional $25,000 in Shelf Notes. An additional $25,000 of Shelf Notes was issued in early 2019, as discussed below.

Issuance of Debt Subsequent to December 31, 2018--On February 5, 2019 we issued 4.00% Senior Notes, Series B (the 4.00% Senior Notes") pursuant to the Note Purchase and Shelf Agreement in the aggregate principal amount of $25,000. The notes are due September 21, 2028. Subsequent series of promissory notes may be issued pursuant to the 3.99% Shelf Notes in an aggregate additional principal amount not to exceed $25,000. The 4.00% Senior Notes are equal in right of payment with our revolving credit facility and all other senior unsecured obligations of the Company. Interest is payable semiannually and five equal, annual principal payments commence on September 21, 2024 (thesixth anniversary of issuance of the 3.99% Senior Notes).

Term loans--Periodically, the company will enter into term loans for the procurement of insurance or to finance acquisitions.

Accounts Receivable Securitization Facility--In May 2018, Davey Tree amended its Accounts Receivable Securitization Facility (the “AR securitization facility”), to extend the scheduled termination date for an additional one-year period, to May 6, 2019. In addition, for purposes of determining events of default, the Days' Sales Outstanding calculation was amended to include the most recent six fiscal months. The prior calculation was based on the most recent three fiscal months.

The AR Securitization program has a limit of $100,000, of which $67,438 was issued for letters of credit as of December 31, 2018.

Under the AR Securitization facility, Davey Tree transfers by selling or contributing current and future trade receivables to a wholly-owned, bankruptcy-remote financing subsidiary which pledges a perfected first priority security interest in the trade receivables--equal to the issued letters of credit ("LCs") as of December 31, 2018--to the bank in exchange for the bank issuing LCs.

Fees payable to the bank include: (a) an LC issuance fee, payable on each settlement date, in the amount of .90% per annum on the aggregate amount of all LCs outstanding plus outstanding reimbursement obligations (e.g., arising from drawn LCs), if any, and (b) an unused LC fee, payable monthly, equal to (i) .35% per annum for each day on which the sum of the total LCs outstanding plus any outstanding reimbursement obligations is greater than or equal to 50% of the facility limit and (ii) .45% per annum for each day on which the sum of the total LCs outstanding plus any outstanding reimbursement obligations is less than 50% of the facility limit. If an LC is drawn and the bank is not immediately reimbursed in full for the drawn amount, any outstanding reimbursement obligation will accrue interest at a per annum rate equal to a reserve-adjusted LIBOR or, in certain circumstances, a base rate equal to the higher of (i) the bank’s prime rate and (ii) the federal funds rate plus .50% and, following any default, 2.00% plus the greater of (a) adjusted LIBOR and (b) a base rate equal to the higher of (i) the bank’s prime rate and (ii) the federal funds rate plus .50%.

The agreements underlying the AR securitization facility contain various customary representations and warranties, covenants, and default provisions which provide for the termination and acceleration of the commitments under the AR securitization facility in circumstances including, but not limited to, failure to make payments when due, breach of a representation, warranty or covenant, certain insolvency events or failure to maintain the security interest in the trade receivables, and defaults under other material indebtedness.

On January 24, 2019, we amended our AR securitization facility to address insolvency proceedings, specifically those receivables from PG&E Corporation and its regulated utility subsidiary, Pacific Gas and Electric Company (collectively “Pacific Gas & Electric”), which filed voluntary bankruptcy petitions under Chapter 11 of the United States Bankruptcy Code in the U.S. Bankruptcy Court for the Northern District of California. Under the terms of the receivable financing agreement,

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receivables from Pacific Gas and Electric, while remaining in the securitized pool, will be considered ineligible and are excluded from performance ratios and reserves.

Contractual Obligations Summary

The following is a summary of our long-term contractual obligations, as at December 31, 2018, to make future payments for the periods indicated:

			Contractual Obligations Due -- Year Ending December 31,
Description	Total		2019		2020		2021		2022		2023		Thereafter
Revolving credit facility	$	93,500	$	—	$	—	$	—	$	93,500	$	—	$	—
Senior unsecured notes	79,182		8,606		8,606		1,995		1,995		1,995		55,985
Term loans	24,339		17,229		1,935		5,175		—		—		—
Capital lease obligations	4,323		1,426		1,371		1,183		272		71		—
Operating lease obligations	42,119		14,023		11,272		7,712		5,129		2,060		1,923
Self-insurance accruals	86,884		28,218		19,323		14,449		8,870		4,492		11,532
Purchase obligations	7,145		7,145		—		—		—		—		—
Other liabilities	10,125		1,512		1,816		2,051		1,418		1,001		2,327
	$	347,617	$	78,159	$	44,323	$	32,565	$	111,184	$	9,619	$	71,767

The self-insurance accruals in the summary above reflect the total of the undiscounted amount accrued, for which amounts estimated to be due each year may differ from actual payments required to fund claims. Purchase obligations in the summary above represent open purchase-order amounts that we anticipate will become payable within the next year for goods and services we have negotiated for delivery as of December 31, 2018. Other liabilities include estimates of future expected funding requirements related to retirement plans and other sundry items. Because their future cash outflows are uncertain, accrued income tax liabilities for uncertain tax positions, as of December 31, 2018, have not been included in the summary above. Noncurrent deferred taxes are also not included in the summary.

As of December 31, 2018, total commitments related to issued letters of credit were $72,565, of which $3,123 were issued under the revolving credit facility, $67,438 were issued under the AR securitization facility, and $2,004 were issued under short-term lines of credit. As of December 31, 2017, total commitments related to issued letters of credit were $63,242, of which $3,088 were issued under the revolving credit facility, $58,150 were issued under the AR securitization facility, and $2,004 were issued under short-term lines of credit.

Also, as is common with our industry, we have performance obligations that are supported by surety bonds, which expire during 2019 through 2023. We intend to renew the performance bonds where appropriate and as necessary.

Off-Balance Sheet Arrangements

There are no “off-balance sheet arrangements” as that term is defined in Regulation S-K, Item 303(a)(4)(ii) under the Securities Exchange Act of 1934, as amended.

Capital Resources

Cash generated from operations and our revolving credit facility are our primary sources of capital.

Cash of $22,661 as of December 31, 2018 included $19,801 in the U.S. and $2,860 in Canada, all of which is subject to U.S. federal income taxes and Canadian taxes if repatriated to the U.S. Currently, we do not expect to repatriate any portion of our 2018 Canadian earnings to satisfy our 2019 U.S. based cash flow needs.

Business seasonality results in higher revenues during the second and third quarters as compared with the first and fourth quarters of the year, while our methods of accounting for fixed costs, such as depreciation and interest expense, are not significantly impacted by business seasonality. Capital resources during these periods are equally affected. We satisfy seasonal working capital needs and other financing requirements with the revolving credit facility and several other short-term lines of credit. We are continually reviewing our existing sources of financing and evaluating alternatives. At December 31, 2018, we had working capital of $115,756, unused short-term lines of credit approximating $7,097, and $153,377 available under our revolving credit facility.

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Our sources of capital presently allow us the financial flexibility to meet our capital spending plan and to complete business acquisitions for at least the next twelve months and for the foreseeable future.

CRITICAL ACCOUNTING POLICIES AND ESTIMATES

Our consolidated financial statements are prepared in accordance with accounting principles generally accepted in the United States. The preparation of these financial statements requires the use of estimates, judgments and assumptions that affect the reported amounts of assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the periods presented.

On an ongoing basis, we evaluate our estimates and assumptions, including those related to accounts receivable, specifically those receivables under contractual arrangements primarily arising from Utility customers; allowance for doubtful accounts; and self-insurance accruals. We base our estimates on historical experience and on various other factors that we believe to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Actual results could differ from these estimates.

We believe the following are our “critical accounting policies and estimates”--those most important to the financial presentations and those that require the most difficult, subjective or complex judgments.

Revenue Recognition--We recognize revenue in accordance with ASC Topic 606, Revenue from Contracts with Customers, which we adopted on January 1, 2018, using the modified retrospective method. See Note C for further discussion of the adoption, including the impact on our 2018 financial statements. Performance obligations are satisfied as our services are provided to customers. See Note T for a detailed description of our revenue recognition policy.

Allowance for Doubtful Accounts--In determining the allowance for doubtful accounts, we evaluate the collectibility of our accounts receivable based on a combination of factors. In circumstances where we are aware of a specific customer’s inability to meet its financial obligations to us (e.g., bankruptcy filings), we evaluate each specific situation to determine the collectibility given the facts and circumstances and if necessary, record a specific allowance for doubtful accounts against amounts due to reduce the net recognized receivable to the amount we reasonably believe will be collected. For all other customers, we recognize allowances for doubtful accounts based on the length of time the receivables are past due. If circumstances change (e.g., unexpected material adverse changes in a major customer’s ability to meet its financial obligation to us or higher than expected customer defaults), our estimates of the recoverability of amounts could differ from the actual amounts recovered.

Self-Insurance Accruals--We are generally self-insured for losses and liabilities related primarily to workers’ compensation, vehicle liability and general liability claims. We use commercial insurance as a risk-reduction strategy to minimize catastrophic losses. Ultimate losses are accrued based upon estimates of the aggregate liability for claims incurred using certain actuarial assumptions followed in the insurance industry and based on Company-specific experience.

Our self-insurance accruals include claims for which the ultimate losses will develop over a period of years. Accordingly, our estimates of ultimate losses can change as claims mature. Our accruals also are affected by changes in the number of new claims incurred and claim severity. The methods for estimating the ultimate losses and the total cost of claims were determined by third-party consulting actuaries; the resulting accruals are reviewed by management, and any adjustments arising from changes in estimates are reflected in income.

The workers' compensation accruals are discounted as the amount and timing of cash payments related to those accruals are reliably determinable given the nature of workers' compensation benefits and the level of historical claim volume to support the actuarial assumptions and judgments used to derive the expected loss payment pattern. The workers' compensation accruals are discounted using an interest rate that approximates the long-term investment yields over the expected payment pattern of unpaid losses.

Our self-insurance accruals are based on estimates and, while we believe that the amounts accrued are adequate and not excessive, the ultimate claims may be in excess of or less than the amounts provided.

Stock Valuation--On March 15, 1979, we consummated a plan, which transferred control of the Company to our employees. The Employee Stock Ownership Plan (“ESOP”), in conjunction with the related ESOT, provided for the grant to certain employees of certain ownership rights in, but not possession of, the common shares held by the trustee of the ESOT. Annual allocations of shares have been made to individual accounts

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established for the benefit of the participants. Since our common stock is not currently traded on an established securities market, if the owners of distributed shares desire to sell their shares, the Company is required to purchase the shares at fair value for two 60-day periods after distribution of the shares from the Davey 401KSOP and ESOP.

Because there is no trading of the Company’s common stock on an established securities market, the market price of the Company’s common stock is determined by its Board of Directors. As part of the process to determine the market price, an independent valuation is obtained. The process includes comparing the Company’s financial results to those of comparable companies that are publicly traded (comparable publicly traded companies). The purpose of the process is to determine a value for the Company’s common stock that is comparable to the stock value of comparable publicly traded companies by considering both the results of the stock market and the relative financial results of comparable publicly traded companies. The fair valuation of the shares utilizes two valuation approaches, the Market Approach and the Income Approach to derive a basis of value. Some key assumptions used in the stock valuation include growth rate, discount rate, rate of capital expenditures, net worth, earnings and appropriate valuation multiples.

If circumstances change (e.g., change in the macro economic factors, key assumptions included within valuation), our estimates of the share price could differ from time to time.

MARKET RISK INFORMATION

In the normal course of business, we are exposed to market risk related to changes in interest rates, changes in foreign currency exchange rates and changes in the price of fuel. We do not hold or issue derivative financial instruments for trading or speculative purposes. We use derivative financial instruments to manage risk, in part, associated with changes in interest rates and changes in fuel prices.

Interest Rate Risk

We are exposed to market risk related to changes in interest rates on long-term debt obligations. We regularly monitor and measure our interest rate risk and, to the extent that we believe we are exposed, from time-to-time we have entered into interest rate swap contracts--derivative financial instruments--with the objective of altering interest rate exposures related to a portion of our variable debt.

The following table provides information, as of December 31, 2018, about our debt obligations, including principal cash flows, weighted-average interest rates by expected maturity dates and fair values. Weighted-average interest rates used for variable-rate obligations are based on rates as derived from published spot rates, in effect as of December 31, 2018.

	Expected Maturity Date																				Fair Value December 31, 2018
	2019			2020			2021			2022			2023			Thereafter			Total
Liabilities
Long-term debt:
Fixed rate	$	23,666		$	8,890		$	6,297		$	267		$	70		$	50,000		$	89,190	$	86,810
Average interest rate	4.0		%	4.6		%	5.1		%	4.8		%	5.0		%	4.0		%
Variable rate	$	222		$	30		$	30		$	93,500		$	—		$	—		$	93,782	$	93,782
Average interest rate	5.5		%	5.5		%	5.5		%	3.5		%	—		%	—		%

Interest rates on the variable-rate debt, as of December 31, 2018, ranged from 3.1%to 5.5%.

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Foreign Currency Exchange Rate Risk

We are exposed to market risk related to foreign currency exchange rate risk resulting from our operations in Canada, where we provide a comprehensive range of horticultural services. Our financial results could be affected by factors such as changes in the foreign currency exchange rate or differing economic conditions in the Canadian markets as compared with the markets for our services in the United States. Our earnings are affected by translation exposures from currency fluctuations in the value of the U.S. dollar as compared to the Canadian dollar. Similarly, the Canadian dollar-denominated assets and liabilities may result in financial exposure as to the timing of transactions and the net asset / liability position of our Canadian operations.

For the year ended December 31, 2018, the result of a hypothetical 10% uniform change in the value of the U.S. dollar as compared with the Canadian dollar would not have a material effect on our results of operations or our financial position. Our sensitivity analysis of the effect of changes in foreign currency exchange rates does not factor in a potential change in sales levels or local currency prices. Presently, we do not engage in hedging activities related to our foreign currency exchange rate risk.

Commodity Price Risk

We are subject to market risk from fluctuating prices of fuel--both diesel and gasoline. In prior years we have used fuel derivatives as "economic hedges" related to fuel consumed by Davey Tree service vehicles. The objectives of the economic hedges are to fix the price of a portion of our fuel needs and mitigate the earnings and cash flow volatility attributable to the risk of changing prices. Presently, we are not engaged in any hedging or derivative activities.

Impact of Inflation

The impact of inflation on the results of operations has not been significant in recent years.

Item 7A.  Quantitative and Qualitative Disclosures About Market Risk.

The information set forth in “Market Risk Information” under Item 7. “Management’s Discussion and Analysis of Financial Condition and Results of Operations” is incorporated herein by reference.

Item 8.  Financial Statements and Supplementary Data.

Our consolidated financial statements are attached hereto and listed on page F-1 of this annual report.

Item 9.  Changes in and Disagreements with Accountants on Accounting and Financial Disclosure.

None.

Item 9A.  Controls and Procedures.

Management’s Evaluation of Disclosure Controls and Procedures

As of the end of the period covered by this Form 10-K, we carried out an evaluation, under the supervision and with the participation of our management, including our Chief Executive Officer and Chief Financial Officer, of the effectiveness of the design and operation of our disclosure controls and procedures (as defined in Rule 13a-15(e) under the Securities Exchange Act of 1934 as amended (the “Exchange Act”)). Based on that evaluation, our Chief Executive Officer and Chief Financial Officer concluded that the design and operation of our disclosure controls and procedures were effective at the reasonable assurance level as of the end of the period covered by this Form 10-K in ensuring that information required to be disclosed in the reports that we file or submit under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms and is accumulated and communicated to our management, including our Chief Executive Officer and our Chief Financial Officer, as appropriate to allow timely decisions regarding required disclosure.

Management’s Annual Report on Internal Control over Financial Reporting

Our management is responsible for establishing and maintaining adequate internal control over financial reporting. Our internal control framework and processes were designed to provide reasonable assurance to management and the Board of

Page 31

Directors that our financial reporting is reliable and that our consolidated financial statements for external purposes have been prepared in accordance with accounting principles generally accepted in the United States (“U.S. GAAP”).

Our management recognizes its responsibility for fostering a strong ethical climate so that our affairs are conducted according to the highest standards of personal and corporate conduct.

Our internal control over financial reporting includes policies and procedures that: (i) provide for the maintenance of records that, in reasonable detail, accurately and fairly reflect our business transactions; (ii) provide reasonable assurance that transactions are recorded properly to allow for the preparation of financial statements in accordance with U.S. GAAP; and (iii) provide reasonable assurance that the unauthorized acquisition, use, or disposition of our assets will be prevented or detected in a timely manner. We maintain a dynamic system of internal controls and processes--including internal control over financial reporting--designed to ensure reliable financial recordkeeping, transparent financial reporting and protection of physical and intellectual property.

All internal control systems, no matter how well designed, have inherent limitations. Therefore, even those systems determined to be effective can provide only reasonable assurance with respect to financial statement preparation and presentation.

Under the supervision and with the participation of our management, including our Chief Executive Officer and Chief Financial Officer, we conducted an evaluation as of December 31, 2018, as to the effectiveness of our internal control over financial reporting based on the framework in Internal Control - Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission. Based on that evaluation, our management concluded that our internal control over financial reporting was effective as of December 31, 2018.

Our independent registered public accounting firm has issued an audit report on our internal control over financial reporting, which is included in this report.

/s/ Patrick M. Covey	/s/ Joseph R. Paul	/s/ Thea R. Sears
Patrick M. Covey President and Chief Executive Officer	Joseph R. Paul Executive Vice President, Chief Financial Officer and Secretary	Thea R. Sears Vice President and Controller

Kent, Ohio

March 11, 2019

(d) Changes in Internal Control over Financial Reporting

There were no changes in our internal control over financial reporting during the fourth quarter 2018 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

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(e) Report of Independent Registered Public Accounting Firm

Report of Independent Registered Public Accounting Firm

To the Shareholders and the Board of Directors of The Davey Tree Expert Company

Opinion on Internal Control over Financial Reporting

We have audited the internal control over financial reporting of The Davey Tree Expert Company (the “Company”) as of December 31, 2018, based on criteria established in Internal Control - Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO). In our opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of December 31, 2018, based on criteria established in Internal Control - Integrated Framework (2013) issued by COSO.

We have also audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the consolidated financial statements as of and for the year ended December 31, 2018, of the Company and our report dated March 11, 2019, expressed an unqualified opinion on those financial statements.

Basis for Opinion

The Company’s management is responsible for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting, included in the accompanying Management’s Annual Report on Internal Control over Financial Reporting. Our responsibility is to express an opinion on the Company’s internal control over financial reporting based on our audit. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audit in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether effective internal control over financial reporting was maintained in all material respects. Our audit included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, testing and evaluating the design and operating effectiveness of internal control based on the assessed risk, and performing such other procedures as we considered necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion.  

Definition and Limitations of Internal Control over Financial Reporting

A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control over financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

/s/ Deloitte & Touche LLP

Cleveland, Ohio

March 11, 2019

Item 9B.  Other Information.

None.

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PART III

Item 10.  Directors, Executive Officers and Corporate Governance.

Information about our executive officers is included in the section "Executive Officers of the Company,” pursuant to Instruction G of Form 10-K as an unnumbered item to Part I of this report.

Information about our directors is in the section "Proposal One-Election of Directors" and "Corporate Governance-Transactions with Related Persons, Promoters and Certain Control Persons" of our 2019 Proxy Statement, which is incorporated into this report by reference.

Information about our audit committee and our audit committee financial experts is in the section "Corporate Governance- Audit Committee” of our 2019 Proxy Statement, which is incorporated into this report by reference.

Information required by Item 405 of Regulation S-K is in the section "Ownership of Common Shares-Section 16(a) Beneficial Ownership Reporting Compliance” of our 2019 Proxy Statement, which is incorporated into this report by reference. See also the section titled "Corporate Governance-Shareholder Nominations for Director," which is incorporated into this report by reference.

We have adopted a Code of Ethics for Financial Matters that applies to our principal executive officer, principal financial officer and principal accounting officer, or persons performing similar functions. That Code is available on our website or upon request, as described in this report in Item 1. “Business - Access to Company Information.” We intend to disclose, on our website at www.davey.com, any amendments to, or waiver of, any provision of that Code that would otherwise be required to be disclosed under the rules of the Securities and Exchange Commission.

Item 11.  Executive Compensation.

Information about executive and director compensation is in the sections “Compensation Discussion and Analysis,” "Report of the Compensation Committee," "Compensation Risk Analysis," "Compensation of Executive Officers," "2018 Director Compensation", "Corporate Governance-Compensation Committee Interlocks and Insider Participation," and "Corporate Governance-Role of the Board in Risk Oversight" of our 2019 Proxy Statement, which are incorporated into this report by reference.

Item 12.  Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters.

Information about ownership of our common shares by certain persons is in the section "Ownership of Common Shares" of our 2019 Proxy Statement, which is incorporated into this report by reference. Information about our securities authorized for issuance under equity compensation plans is in the section “Compensation of Executive Officers-Equity Compensation Plan Information” of our 2019 Proxy Statement, which is incorporated into this report by reference.

Item 13.  Certain Relationships and Related Transactions, and Director Independence.

Information about certain transactions between us and our affiliates and certain other persons and the independence of directors is in the section “Corporate Governance-Board Independence” and "Corporate Governance-Transactions with Related Persons, Promoters and Certain Control Persons" of our 2019 Proxy Statement, which is incorporated into this report by reference.

Item 14.  Principal Accountant Fees and Services.

Information about our principal accountant’s fees and services is in the section “The Independent Registered Public Accounting Firm” of our 2019 Proxy Statement, which is incorporated into this report by reference.

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PART IV

Item 15.  Exhibits and Financial Statement Schedules.

(a) (1) and (a) (2) Financial Statements and Schedules.

The response to this portion of Item 15 is set forth on page F-1 of this report.

(b) Exhibits.

The exhibits to this Form 10-K are submitted as a separate section of this report. See Exhibit Index.

Page 35

EXHIBIT INDEX
Exhibit No.	Description
3.1	2017 Amended Articles of Incorporation of the Davey Tree Expert Company (Incorporated by reference to Exhibit 3.1 to the Registrant's Current Report on Form 8-K filed with the Securities and Exchange Commission on May 17, 2017).
3.2	2017 Amended and Restated Regulations of the Davey Tree Expert Company (Incorporated by reference to Exhibit 3.2 to the Registrant's Current Report on Form 8-K filed with the Securities and Exchange Commission on May 17, 2017).
10.1 *	Agreement, effective as of July 22, 2017, between The Davey Tree Expert Company and Karl J. Warnke (Incorporated by reference to Exhibit 10.1 to the Registrant’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2017).
10.2	Third Amended and Restated Credit Agreement, dated as of October 6, 2017, by and among The Davey Tree Expert Company, as borrower, various lending institutions party thereto, as banks, KeyBank National Association, as lead arranger, syndication agent and administrative agent, and PNC Bank, National Association and Wells Fargo Bank, N.A., as co-documentation agents (Incorporated by reference to Exhibit 10.1 to the Registrant’s Current Report on Form 8-K filed with the Securities and Exchange Commission on October 12, 2017).
10.3	First Amendment to Third Amended and Restated Credit Agreement, dated September 21, 2018, by and among The Davey Tree Expert Company, as borrower, various lending institutions party thereto, as banks, and KeyBank National Association, as administrative agent (Incorporated by reference to Exhibit 10.2 to the Registrant’s Current Report on Form 8-K filed with the Securities and Exchange Commission on September 27, 2018).
10.4 *	2004 Omnibus Stock Plan (Incorporated by reference to Exhibit 10.1 to the Registrant’s Quarterly Report on Form 10-Q for the quarter ended July 3, 2004).
10.5 *	401KSOP Match Restoration Plan (Incorporated by reference to Exhibit 10.2 to the Registrant’s Quarterly Report on Form 10-Q for the quarter ended July 3, 2004).
10.6 *	Second Amendment to The Davey Tree Expert Company 401KSOP Match Restoration Plan, effective January 1, 2017 (Incorporated by reference to Exhibit 10.1 to the Registrant’s Current Report on Form 8-K filed with the Securities and Exchange Commission on March 9, 2017).
10.7 *	Supplemental Executive Retirement Plan (Incorporated by reference to Exhibit 10.3 to the Registrant’s Quarterly Report on Form 10-Q for the quarter ended July 3, 2004).
10.8 *	Retirement Benefit Restoration Plan (Incorporated by reference to Exhibit 10.4 to the Registrant’s Quarterly Report on Form 10-Q for the quarter ended July 3, 2004).
10.9 *	The Davey Tree Expert Company Board of Directors Revised Deferred Compensation Plan (January 1, 2014 Restatement) (Incorporated by reference to Exhibit 10.7 to the Registrant’s Annual Report on Form 10-K for the year ended December 31, 2013).
10.10 *	2014 Omnibus Stock Plan (Incorporated by reference to Exhibit 10.1 to the Registrant’s Current Report on Form 8-K filed with the Securities and Exchange Commission on May 21, 2014).

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EXHIBIT INDEX
Exhibit No.	Description
10.11	Stock Subscription Agreement for Direct Stock Purchases (Incorporated by reference to Exhibit 10.8 to the Registrant’s Annual Report on Form 10-K for the year ended December 31, 2014).
10.12 *	Management Incentive Compensation Plan, as last amended as of December 7, 2017 (Incorporated by reference to Exhibit 10.1 to the Registrant’s Current Report on Form 8-K filed with the Securities and Exchange Commission on December 13, 2017).
10.13	Receivables Financing Agreement, dated May 9, 2016, between The Davey Tree Expert Company, Davey Receivables LLC, PNC Bank, National Association, and PNC Capital Markets LLC (Incorporated by reference to Exhibit 10.1 to the Registrant’s Current Report on Form 8-K filed with the Securities and Exchange Commission on May 11, 2016).
10.14	Receivables Financing Agreement Amendment No. 2, dated May 8, 2017, among The Davey Tree Expert Company, Davey Receivables LLC and PNC Bank, National Association (Incorporated by reference to Exhibit 10.1 to the Registrant’s Current Report on Form 8-K filed with the Securities and Exchange Commission on May 9, 2017).
10.15	Receivables Financing Agreement Amendment No. 3, dated May 7, 2018, by and among The Davey Tree Expert Company, Davey Receivables LLC, and PNC Bank, National Association (Incorporated by reference to Exhibit 10.1 to the Registrant’s Current Report on Form 8-K filed with the Securities and Exchange Commission on May 8, 2018).
10.16	Receivables Financing Agreement Amendment No. 4, dated August 23, 2018, by and among The Davey Tree Expert Company, Davey Receivables LLC, and PNC Bank, National Association.	Filed Herewith
10.17	Receivables Financing Agreement Amendment No. 5, dated January 24, 2019, by and among The Davey Tree Expert Company, Davey Receivables LLC, and PNC Bank, National Association.	Filed Herewith
10.18	Receivables Purchase Agreement, dated May 9, 2016, between The Davey Tree Expert Company, Davey Tree Surgery Company, and Davey Receivables LLC (Incorporated by reference to Exhibit 10.2 to the Registrant’s Current Report on Form 8-K filed with the Securities and Exchange Commission on May 11, 2016).
10.19	Joinder Agreement, dated May 7, 2018, by and among Davey Receivables LLC, and PNC Bank, National Association, to the Receivables Purchase Agreement, dated May 9, 2016 (Incorporated by reference to Exhibit 10.2 to the Registrant’s Current Report on Form 8-K filed with the Securities and Exchange Commission on May 8, 2018).
10.20	Master Note Purchase Agreement, dated July 22, 2010, by and among The Davey Tree Expert Company and each of the Purchasers thereto (Incorporated by reference to Exhibit 10.1 to the Current Report on Form 8-K filed with the Securities and Exchange Commission on July 22, 2010).

Page 37

EXHIBIT INDEX
Exhibit No.	Description
10.21	Note Purchase and Private Shelf Agreement, dated September 21, 2018, by and among PGIM, Inc., each of the Purchasers thereto, and The Davey Tree Expert Company (Incorporated by reference to Exhibit 10.1 to the Registrant’s Current Report on Form 8-K filed with the Securities and Exchange Commission on September 27, 2018).
10.22 *	Form of 2014 Omnibus Stock Plan Non-Qualified Stock Option Agreement.	Filed Herewith
10.23 *	Form of 2014 Omnibus Stock Plan Performance Restricted Stock Unit Agreement.	Filed Herewith
10.24	Receivables Financing Agreement Amendment No. 1, dated March 27, 2017, by and among The Davey Tree Expert Company, Davey Receivables LLC, and PNC Bank, National Association.	Filed Herewith
10.25	401KSOP Match Restoration Plan Amendment No. 1, dated December 7, 2007.	Filed Herewith
21	Subsidiaries of the Registrant.	Filed Herewith
23.1	Consent of Independent Registered Public Accounting Firm (Deloitte & Touche LLP).	Filed Herewith
23.2	Consent of Independent Registered Public Accounting Firm (Ernst & Young LLP).	Filed Herewith
31.1	Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.	Filed Herewith
31.2	Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.	Filed Herewith
32.1	Certification of Chief Executive Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350.	Furnished Herewith
32.2	Certification of Chief Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350.	Furnished Herewith
99.1	Policy of Implementation of Certain Company Rights Under Article Sixth of the Amended Articles of Incorporation (Incorporated by reference to Exhibit 99.1 to the Registrant's Current Report on Form 8-K filed with the Securities and Exchange Commission on May 11, 2017).
101	The following materials from the Company's Annual Report on Form 10-K for the year ended December 31, 2018, formatted in XBRL (Extensible Business Reporting Language): (i) the Consolidated Balance Sheets, (ii) the Consolidated Statements of Operations, (iii) the Consolidated Statements of Comprehensive Income, (iv) the Statements of Consolidated Shareholders' Equity, (v) the Consolidated Statements of Cash Flows, and (vi) Notes to Consolidated Financial Statements.	Filed Herewith

* Management contracts or compensatory plans or arrangements.

The Registrant is a party to certain instruments, copies of which will be furnished to the Securities and Exchange Commission upon request, defining the rights of holders of long-term debt.

Page 38

Item 16.  Form 10-K Summary.

None.

Page 39

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized on March 11, 2019.

	THE DAVEY TREE EXPERT COMPANY
	/s/ Patrick M. Covey
	Patrick M. Covey President and Chief Executive Officer
Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities indicated on March 11, 2019.
/s/ Donald C. Brown	/s/ John E. Warfel
Donald C. Brown Director	John E. Warfel Director
/s/ Patrick M. Covey	/s/ Karl J. Warnke
Patrick M. Covey Director, President and Chief Executive Officer (Principal Executive Officer)	Karl J. Warnke Director, Chairman of the Board of Directors
/s/ William J. Ginn	/s/ Joseph R. Paul
William J. Ginn Director	Joseph R. Paul Executive Vice President, Chief Financial Officer and Secretary (Principal Financial Officer)
/s/ Douglas K. Hall	/s/ Thea R. Sears
Douglas K. Hall Director	Thea R. Sears Vice President and Controller (Principal Accounting Officer)
/s/ Sandra W. Harbrecht
Sandra W. Harbrecht Director
/s/ Catherine M. Kilbane
Catherine M. Kilbane Director

Page 40

ANNUAL REPORT ON FORM 10-K

ITEM 8, ITEM 15(a)(1) and (2)

LIST OF FINANCIAL STATEMENTS AND FINANCIAL STATEMENT SCHEDULES

FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

CERTAIN EXHIBITS

FINANCIAL STATEMENTS SCHEDULES

YEAR ENDED DECEMBER 31, 2018

THE DAVEY TREE EXPERT COMPANY

KENT, OHIO

Page 41

LIST OF FINANCIAL STATEMENTS AND FINANCIAL STATEMENT SCHEDULES
FORM 10-K - ITEM 15(a)(1) AND (2)
THE DAVEY TREE EXPERT COMPANY
The following consolidated financial statements of The Davey Tree Expert Company are included in Item 8:
Audited Consolidated Financial Statements:	Page
Reports of Independent Registered Public Accounting Firms	F-2
Consolidated Balance Sheets -- December 31, 2018 and 2017	F-4
Consolidated Statements of Operations -- Years ended December 31, 2018, 2017 and 2016	F-5
Consolidated Statements of Comprehensive Income -- Years ended December 31, 2018, 2017 and 2016	F-6
Consolidated Statements of Shareholders' Equity -- Years ended December 31, 2018, 2017 and 2016	F-7
Consolidated Statements of Cash Flows -- Years ended December 31, 2018, 2017 and 2016	F-8
Notes to Consolidated Financial Statements -- December 31, 2018
A – Our Business	F-9
B – Summary of Significant Accounting Policies	F-9
C – Recent Accounting Guidance	F-12
D – Business Combinations	F-13
E – Accounts Receivable, Net and Supplemental Balance Sheet Information	F-14
F – Subsequent Events	F-15
G – Supplemental Cash Flow Information	F-16
H – Intangible Assets and Goodwill, Net	F-17
I – Short and Long-Term Debt and Commitments Related to Letters of Credit	F-18
J – Self-Insurance Accruals	F-20
K – Lease Obligations	F-21
L – Common Shares, Redeemable Common Shares and Preferred Shares	F-21
M – Accumulated Other Comprehensive Income (Loss)	F-23
N – The Davey 401KSOP and Employee Stock Ownership Plan	F-24
O – Stock-Based Compensation	F-24
P – Defined Benefit Pension Plans	F-28
Q – Income Taxes	F-33
R – Earnings Per Share Information	F-37
S – Operations by Business Segment and Geographic Information	F-37
T – Revenue Recognition	F-39
U – Fair Value Measurements and Financial Instruments	F-42
V – Commitments and Contingencies	F-43
W– Quarterly Results of Operations (Unaudited)	F-45
Financial Statement Schedules:
None.
All schedules for which provision is made in the applicable accounting regulations of the Securities and Exchange Commission are not required under the related instructions or are inapplicable and therefore have been omitted.

F-1

Report of Independent Registered Public Accounting Firm

To the Shareholders and the Board of Directors of The Davey Tree Expert Company

Opinion on the Financial Statements

We have audited the accompanying consolidated balance sheet of The Davey Tree Expert Company (the "Company") as of December 31, 2018, the related consolidated statements of operations, comprehensive income, shareholders' equity, and cash flows, for the year then ended, and the related notes (collectively referred to as the "financial statements"). In our opinion, the financial statements present fairly, in all material respects, the financial position of the Company as of December 31, 2018, and the results of its operations and its cash flows for the year then ended, in conformity with accounting principles generally accepted in the United States of America.

We have also audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the Company's internal control over financial reporting as of December 31, 2018, based on criteria established in Internal Control - Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission and our report dated March 11, 2019, expressed an unqualified opinion on the Company's internal control over financial reporting.

Basis for Opinion

These financial statements are the responsibility of the Company's management. Our responsibility is to express an opinion on the Company's financial statements based on our audit. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audit in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud. Our audit included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the financial statements. Our audit also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audit provides a reasonable basis for our opinion.

/s/ Deloitte & Touche LLP

Cleveland, Ohio

March 11, 2019

We have served as the Company's auditor since 2018.

F-2

Report of Independent Registered Public Accounting Firm

To the Shareholders and the Board of Directors of The Davey Tree Expert Company

Opinion on the Financial Statements

We have audited the accompanying consolidated balance sheet of The Davey Tree Expert Company (the Company) as of December 31, 2017, the related consolidated statements of operations, comprehensive income, shareholders' equity, and cash flows for each of the two years in the period ended December 31, 2017, and the related notes (collectively referred to as the “consolidated financial statements”). In our opinion, the consolidated financial statements present fairly, in all material respects, the financial position of the Company at December 31, 2017, and the results of its operations and its cash flows for each of the two years in the period ended December 31, 2017, in conformity with U.S. generally accepted accounting principles.

Basis for Opinion

These financial statements are the responsibility of the Company's management. Our responsibility is to express an opinion on the Company’s financial statements based on our audits. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud. Our audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audits provide a reasonable basis for our opinion.

/s/ Ernst & Young LLP

We served as the Company’s auditor from 2001 to 2018.

Akron, Ohio

March 16, 2018, except for paragraph 3 of Note C, as to which the date is March 11, 2019

F-3

THE DAVEY TREE EXPERT COMPANY

CONSOLIDATED BALANCE SHEETS

(In thousands, except per share dollar amounts)

	December 31,
	2018			2017
Assets
Current assets:
Cash	$	22,661		$	13,121
Accounts receivable, net	195,906			168,671
Operating supplies	14,415			10,069
Prepaid expenses	19,529			15,893
Other current assets	2,557			1,371
Total current assets	255,068			209,125
Property and equipment:
Land and land improvements	17,350			18,215
Buildings and leasehold improvements	40,585			40,285
Equipment	581,461			557,536
	639,396			616,036
Less accumulated depreciation	437,111			422,853
Total property and equipment, net	202,285			193,183
Other assets	21,769			29,156
Intangible assets, net	9,530			6,194
Goodwill	37,971			35,477
Total assets	$	526,623		$	473,135
Liabilities and shareholders' equity
Current liabilities:
Current portion of long-term debt and short-term debt	$	22,514		$	16,315
Current portion of capital leases	1,345			651
Accounts payable	43,958			45,093
Accrued expenses	44,061			42,816
Self-insurance accruals	27,434			23,782
Total current liabilities	139,312			128,657
Long-term debt	99,683			105,469
Senior unsecured notes	55,880			11,882
Capital leases	2,862			1,859
Self-insurance accruals	56,351			43,912
Other liabilities	10,125			19,966
Total liabilities	364,213			311,745
Commitments and contingencies (Note V)
Redeemable common shares related to 401KSOP and Employee Stock Ownership Plan (ESOP): 5,642 and 6,467 shares at redemption value as of December 31, 2018 and 2017	119,049			123,520
Common shareholders' equity:
Common shares, $1.00 par value, per share; 48,000 shares authorized; 37,272 and 36,447 shares issued and outstanding before deducting treasury shares and which excludes 5,642 and 6,467 shares subject to redemption as of December 31, 2018 and 2017	37,272			36,447
Additional paid-in capital	82,623			58,554
Common shares subscribed	6,799			7,529
Retained earnings	157,472			143,835
Accumulated other comprehensive loss	(5,034		)	(8,393		)
	279,132			237,972
Less: Cost of Common shares held in treasury; 20,033 shares in 2018 and 18,693 in 2017	235,042			198,327
Common shares subscription receivable	729			1,775
Total common shareholders' equity	43,361			37,870
Total liabilities and shareholders' equity	$	526,623		$	473,135
See notes to consolidated financial statements.

F-4

THE DAVEY TREE EXPERT COMPANY

CONSOLIDATED STATEMENTS OF OPERATIONS

(In thousands, except per share dollar amounts)

	Year Ended December 31,
	2018			2017			2016
Revenues	$	1,024,791		$	915,958		$	845,678
Costs and expenses:
Operating	665,388			587,333			541,486
Selling	184,388			167,934			152,106
General and administrative	67,462			59,403			58,293
Depreciation	54,914			50,702			47,284
Amortization of intangible assets	2,055			2,384			2,306
Gain on sale of assets, net	(5,106		)	(3,989		)	(4,664		)
	969,101			863,767			796,811
Income from operations	55,690			52,191			48,867
Other income (expense):
Interest expense	(7,039		)	(4,886		)	(4,393		)
Interest income	350			292			255
Other	(11,505		)	(9,603		)	(7,485		)
Income before income taxes	37,496			37,994			37,244
Income taxes	9,519			15,874			14,960
Net income	$	27,977		$	22,120		$	22,284
Share data:*
Earnings per share--basic	$	1.15		$	.87		$	.85
Earnings per share--diluted	$	1.10		$	.83		$	.82
Weighted-average shares outstanding:*
Basic	24,389			25,557			26,212
Diluted	25,481			26,697			27,247
* 2016 adjusted for the two-for-one stock split
See notes to consolidated financial statements.

F-5

THE DAVEY TREE EXPERT COMPANY

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(In thousands)

	Year Ended December 31,
	2018			2017			2016
Net income	$	27,977		$	22,120		$	22,284
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments gains/(losses)	(2,514		)	2,195			744
Defined benefit pension plans:
Net loss arising during the year	(273		)	(1,286		)	(1,219		)
Reclassification to results of operations:
Amortization of defined benefit pension items:
Net actuarial loss	6,084			2,822			1,912
Prior service cost	62			38			(205		)
	6,146			2,860			1,707
Defined benefit pension plan adjustments	5,873			1,574			488
Total other comprehensive income, net of tax	3,359			3,769			1,232
Comprehensive income	$	31,336		$	25,889		$	23,516
See notes to consolidated financial statements.

F-6

THE DAVEY TREE EXPERT COMPANY

CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY

(In thousands, except per share data)

	2018					2017					2016
	Shares		Amount			Shares		Amount			Shares*		Amount
Common shares
At beginning of year	36,447		$	36,447		35,857		$	35,857		35,141		$	35,141
Change in 401KSOP and ESOP related shares	825		825			590		590			716		716
At end of year	37,272		37,272			36,447		36,447			35,857		35,857
Additional paid-in capital
At beginning of year			58,554					41,626					24,340
Shares sold to employees			6,820					5,690					4,182
Options exercised			145					76					(992		)
Subscription shares, issued			(99		)			(35		)			21
Stock-based compensation			1,958					1,220					2,860
Change in 401KSOP and ESOP related shares			15,245					9,977					11,215
At end of year			82,623					58,554					41,626
Common shares subscribed, unissued
At beginning of year	764		7,529			834		8,209			872		8,591
Common shares, issued	(55	)	(543		)	(59	)	(567		)	(32	)	(325		)
Cancellations	(19	)	(187		)	(11	)	(113		)	(6	)	(57		)
At end of year	690		6,799			764		7,529			834		8,209
Retained earnings
At beginning of year			143,835					133,951					123,307
Net income			27,977					22,120					22,284
Dividends, $ .10 per share			(2,387		)			(2,513		)			(2,597		)
Stock-based compensation			(355		)			162					—
Change in the fair value of 401KSOP and ESOP related shares			(11,598		)			(9,885		)			(9,043		)
At end of year			157,472					143,835					133,951
Accumulated other comprehensive income (loss), net of tax
At beginning of year			(8,393		)			(12,162		)			(13,394		)
Currency translation adjustments			(2,514		)			2,196					744
Defined benefit pension plans			5,873					1,573					488
At end of year			(5,034		)			(8,393		)			(12,162		)
Common shares held in treasury
At beginning of year	18,693		(198,327		)	17,991		(176,530		)	17,427		(159,429		)
Shares purchased	2,637		(51,116		)	1,698		(30,566		)	1,492		(25,290		)
Shares sold to employees	(961	)	10,617			(663	)	5,206			(617	)	5,298
Options exercised	(207	)	2,326			(242	)	2,634			(262	)	2,442
Subscription shares, issued	(129	)	1,458			(91	)	929			(49	)	449
At end of year	20,033		(235,042		)	18,693		(198,327		)	17,991		(176,530		)
Common shares subscription receivable
At beginning of year	(764	)	(1,775		)	(834	)	(2,973		)	(872	)	(4,106		)
Payments	55		1,005			59		1,123			32		1,104
Cancellations	19		41			11		75			6		29
At end of year	(690	)	(729		)	(764	)	(1,775		)	(834	)	(2,973		)
Common shareholders' equity at December 31	17,239		$	43,361		17,754		$	37,870		17,866		$	27,978
* 2016 shares adjusted for the two-for-one stock split
See notes to consolidated financial statements.

F-7

THE DAVEY TREE EXPERT COMPANY

CONSOLIDATED STATEMENTS OF CASH FLOWS

(In thousands)

	Year Ended December 31,
	2018			2017			2016
Operating activities
Net income	$	27,977		$	22,120		$	22,284
Adjustments to reconcile net income to net cash provided by operating activities net of assets/liabilities acquired:
Depreciation	54,914			50,702			47,284
Amortization	2,055			2,384			2,306
Gain on sale of assets	(5,106		)	(3,989		)	(4,664		)
Deferred income taxes	4,014			3,753			60
Other	134			2,581			1,286
Changes in operating assets and liabilities, net of assets acquired:
Accounts receivable	(26,829		)	(20,784		)	(26,133		)
Accounts payable and accrued expenses	(1,970		)	6,164			2,454
Self-insurance accruals	16,091			4,856			2,499
Other assets, net	(9,176		)	(11,011		)	7,994
	34,127			34,656			33,086
Net cash provided by operating activities	62,104			56,776			55,370
Investing activities
Capital expenditures:
Equipment	(58,620		)	(53,128		)	(54,147		)
Land and buildings	(1,790		)	(3,972		)	(2,499		)
Proceeds from sales of property and equipment	7,494			5,034			5,635
Purchases of businesses, net of cash acquired	(8,461		)	(7,452		)	(3,797		)
Net cash used in investing activities	(61,377		)	(59,518		)	(54,808		)
Financing activities
Revolving credit facility borrowings	507,500			328,000			252,500
Revolving credit facility payments	(514,000		)	(295,000		)	(240,000		)
Proceeds from notes payable	74,716			16,610			17,832
Payments of notes payable	(26,339		)	(23,008		)	(20,638		)
Payments of capital leases	(891		)	(2,294		)	(1,680		)
Purchase of common shares for treasury	(51,116		)	(30,404		)	(25,290		)
Sale of common shares from treasury	20,536			13,820			11,019
Cash received on common-share subscriptions	1,046			1,199			1,133
Dividends	(2,387		)	(2,513		)	(2,597		)
Net cash provided by (used in) financing activities	9,065			6,410			(7,721		)
Effect of exchange rate changes on cash	(252		)	447			135
Increase (Decrease) in cash	9,540			4,115			(7,024		)
Cash, beginning of year	13,121			9,006			16,030
Cash, end of year	$	22,661		$	13,121		$	9,006
See notes to consolidated financial statements.

F-8

The Davey Tree Expert Company

Notes to Consolidated Financial Statements

December 31, 2018

(In thousands, except share data)

A. Our Business

We provide a wide range of arboricultural, horticultural, environmental and consulting services to residential, utility, commercial and government entities throughout the United States and Canada. We have two reportable operating segments organized by type or class of customer: Residential and Commercial, and Utility.

Residential and Commercial--Residential and Commercial provides services to our residential and commercial customers including: the treatment, preservation, maintenance, removal and planting of trees, shrubs and other plant life; the practice of landscaping, grounds maintenance, tree surgery, tree feeding and tree spraying; the application of fertilizer, herbicides and insecticides; and, natural resource management and consulting, forestry research and development, and environmental planning.

Utility--Utility is principally engaged in providing services to our utility customers--investor-owned, municipal utilities, and rural electric cooperatives--including: the practice of line-clearing and vegetation management around power lines, rights-of-way and chemical brush control; and, natural resource management and consulting, forestry research and development and environmental planning.

We also maintain research, technical support and laboratory diagnostic facilities.

When we refer to “we,” “us,” “our,” “Davey Tree,” and the “Company,” we mean The Davey Tree Expert Company, unless the context indicates otherwise.

B. Summary of Significant Accounting Policies

Principles of Consolidation and Basis of Presentation--The consolidated financial statements include the accounts of Davey Tree and our wholly-owned subsidiaries and were prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) as codified in the Financial Accounting Standards Board ("FASB") Accounting Standards Codification ("ASC"). Intercompany accounts and transactions have been eliminated in consolidation.

Per Common Share Information--We have given retroactive consideration to the two-for-one stock split of our common shares effective June 1, 2017 including all common share and per share data.

Use of Estimates in Financial Statement Preparation--The preparation of financial statements in accordance with U.S. GAAP requires management to make estimates and assumptions that affect reported amounts. Estimates are used for, but not limited to, accounts receivable valuation, depreciable lives of fixed assets, self-insurance accruals, stock valuation and revenue recognition. Actual results could differ from those estimates.

The Company’s fiscal quarters each contain thirteen operating weeks, with the exception of the fourth quarter of a 53-week fiscal year, which contains fourteen operating weeks.

Property and Equipment--Property and equipment are stated at cost. Repair and maintenance costs are expensed as incurred. Depreciation is computed for financial reporting purposes by the straight-line method for land improvements, building and leasehold improvements and by the declining-balance method for equipment, based on the estimated useful lives of the assets, as follows:

Land improvements	5 to 20 years
Buildings	5 to 30 years
Equipment	3 to 20 years
Leasehold improvements	Shorter of lease term or estimated useful life; ranging from 5-to-20 years

Intangible Assets--Intangible assets with finite lives, primarily customer lists, noncompete agreements and tradenames, are amortized by the straight-line method based on their estimated useful lives, ranging from one-to-ten years.

F-9

The Davey Tree Expert Company

Notes to Consolidated Financial Statements--(Continued)

December 31, 2018

(In thousands, except share data)

B. Summary of Significant Accounting Policies (continued)

Long-Lived Assets--We assess potential impairment to our long-lived assets, other than goodwill, when there is evidence that events or changes in circumstances have made recovery of the asset’s carrying value unlikely and the carrying amount of the asset exceeds the estimated future undiscounted cash flow. In the event the assessment indicates that the carrying amounts may not be recoverable, an impairment loss would be recognized to reduce the asset’s carrying amount to its estimated fair value based on the present value of the estimated future cash flows.

Goodwill--Goodwill is recorded when the cost of acquired businesses exceeds the fair value of the identified net assets acquired. Goodwill is not amortized, but tested for impairment annually or when events or circumstances indicate that impairment may have occurred. Annually, we perform the impairment tests for goodwill during the fourth quarter. Impairment of goodwill is tested at the reporting-unit level, which for us are also our business segments. Impairment of goodwill is tested by comparing the reporting unit’s carrying value, including goodwill, to the fair value of the reporting unit. The fair values of the reporting units are estimated using discounted projected cash flows. If the carrying value of the reporting unit exceeds its fair value, goodwill is considered impaired and an impairment loss should be recognized for the amount by which the carrying amount exceeds the reporting unit’s fair value, not to exceed the carrying value of the goodwill allocated to that reporting unit. We conducted our annual impairment tests and determined that no impairment loss was required to be recognized in 2018 or for any prior periods. There were no events or circumstances from the date of our assessment through December 31, 2018 that would impact this conclusion.

Self-Insurance Accruals--We are generally self-insured for losses and liabilities related primarily to workers’ compensation, vehicle liability and general liability claims. We use commercial insurance as a risk-reduction strategy to minimize catastrophic losses. Ultimate losses are accrued based upon estimates of the aggregate liability for claims incurred using certain actuarial assumptions followed in the insurance industry and based on Company-specific experience.

Our self-insurance accruals include claims for which the ultimate losses will develop over a period of years. Accordingly, our estimates of ultimate losses can change as claims mature. Our accruals also are affected by changes in the number of new claims incurred and claim severity. The methods for estimating the ultimate losses and the total cost of claims were determined by third-party consulting actuaries; the resulting accruals are reviewed by management, and any adjustments arising from changes in estimates are reflected in income.

The workers' compensation accruals are discounted as the amount and timing of cash payments related to those accruals are reliably determinable given the nature of workers' compensation benefits and the level of historical claim volume to support the actuarial assumptions and judgments used to derive the expected loss payment pattern. The workers' compensation accruals are discounted using an interest rate that approximates the long-term investment yields over the expected payment pattern of unpaid losses.

Our self-insurance accruals are based on estimates and, while we believe that the amounts accrued are adequate and not excessive, the ultimate claims may be in excess of or less than the amounts provided.

Stock-Based Compensation--Stock-based compensation cost for all share-based payment plans is measured at fair value on the date of grant and recognized over the employee service period on the straight-line recognition method for awards expected to vest. The fair value of all stock-based payment plans—stock option plans, stock-settled stock appreciation rights, and performance-based restricted stock units as well as our Employee Stock Purchase Plan—is determined by the number of awards granted and the price of our common stock. The fair value of each award is estimated on the date of grant using a binomial option-pricing model. The binomial model considers a range of assumptions related to volatility, risk-free interest rate and employee exercise behavior. Expected volatilities utilized in the binomial model are based on historical volatility of our share prices and other factors. Similarly, the dividend yield is based on historical experience and expected future changes. The binomial model also incorporates exercise assumptions based on an analysis of historical data. The expected life of the stock-based awards is derived from the output of the binomial model and represents the period of time that awards granted are expected to be outstanding.

Defined Benefit Pension Plans--We record annual expenses relating to our defined benefit pension plans based on calculations that include various actuarial assumptions, including discount rates and expected long-term rates of return on plan assets. Actuarial assumptions are reviewed annually with modifications made to the assumptions, if necessary, based on

F-10

The Davey Tree Expert Company

Notes to Consolidated Financial Statements--(Continued)

December 31, 2018

(In thousands, except share data)

B. Summary of Significant Accounting Policies (continued)

current rates and trends. The effects of the actuarial gains or losses are amortized over future service periods. The funded status (that is, the projected benefit obligation less the fair value of plan assets) for each plan is reported in our balance sheet using a December 31 measurement date. Changes in the funded status of the plans are recognized in the year in which the changes occur and reported in comprehensive income (loss).

Income Taxes--We compute taxes on income in accordance with the tax rules and regulations where the income is earned. The income tax rates imposed by these taxing authorities vary. Taxable income may differ from pretax income for financial reporting purposes. We compute and recognize deferred tax assets and liabilities for the expected future tax consequences of temporary differences between the financial statement carrying amounts and the tax bases of our assets and liabilities. Changes in tax rates and laws are reflected in income in the period when such changes are enacted. We account for uncertain tax positions by recognizing the financial statement effects of a tax position only when, based upon the technical merits, it is more-likely-than-not that the position will be sustained upon examination.

Earnings Per Share--Basic earnings per share is determined by dividing the income available to common shareholders by the weighted-average number of common shares outstanding. Diluted earnings per share is computed similarly to basic earnings per share except that the weighted-average number of shares is increased to include the effect of stock awards that were granted and outstanding during the period.

Revenue Recognition--We recognize revenue in accordance with ASC Topic 606, Revenue from Contracts with Customers, which we adopted on January 1, 2018, using the modified retrospective method. See Note C for further discussion of the adoption, including the impact on our 2018 financial statements. Performance obligations are satisfied as our services are provided to customers. See Note T for a detailed description of our revenue recognition policy.

Concentration of Credit Risk--Credit risk represents the accounting loss that would be recognized if the counterparties failed to perform as contracted. The principal financial instruments subject to credit risk follow:

Cash--To limit our exposure, we transact our business and maintain banking relationships with high credit-quality financial institutions.

Accounts Receivable--Our residential and commercial customers are located geographically throughout the United States and Canada and, as to commercial customers, within differing industries; thus, minimizing credit risk. The credit exposure of utility services customers is directly affected by conditions within the utility industries as well as the financial condition of individual customers. One utility customer approximated 12% of revenues during 2018, 11% in 2017 and 12% in 2016. To reduce credit risk, we evaluate the credit of customers, but generally do not require advance payments or collateral. Exposure to losses on receivables is principally dependent on each customer’s financial condition.

Foreign Currency Translation and Transactions--Assets and liabilities of our Canadian operations are translated into U.S. dollars using year-end exchange rates, and revenues and expenses are translated using exchange rates as determined throughout the year. Gains or losses resulting from translation are included in the consolidated balance sheet, classified in shareholders’ equity as a separate component of accumulated other comprehensive income (loss). Gains or losses resulting from Canadian-dollar transactions with the Canadian operations are converted to U.S. dollars at the rates of exchange prevailing at the dates of the transactions. The effect of the transactions gain or loss is classified in the statement of operations as a component of other nonoperating income (expense), net.

Interest Rate Risk Management--We have entered into interest rate contracts, from time-to-time, with the objective of altering interest rate exposures related to variable rate debt. In the interest rate contracts, we have agreed with a financial institution to exchange, at specified intervals, the difference between fixed and floating interest amounts calculated on an agreed-upon notional principal amount. During the year ended December 31, 2018, we did not enter into any interest rate contracts.

F-11

The Davey Tree Expert Company

Notes to Consolidated Financial Statements--(Continued)

December 31, 2018

(In thousands, except share data)

B. Summary of Significant Accounting Policies (continued)

Comprehensive Income (Loss)--Comprehensive income (loss) includes net income and other comprehensive income or loss. Other comprehensive income (loss) refers to revenues, expenses, gains and losses that under U.S. GAAP are included in comprehensive income but are excluded from net income as these amounts are recorded directly as an adjustment to shareholders’ equity, net of tax.

C. Recent Accounting Guidance

Accounting Standards Adopted in 2018

Accounting Standards Update 2017-01, Business Combinations (Topic 805): Clarifying the Definition of a Business--In January 2017, the FASB issued Accounting Standard Update ("ASU") 2017-01, "Business Combinations (Topic 805): Clarifying the Definition of a Business," which provides guidance to evaluate whether transactions should be accounted for as acquisitions (or disposals) of assets or businesses. If substantially all of the fair value of the gross assets acquired (or disposed of) is concentrated in a single asset or a group of similar assets, the assets acquired (or disposed of) are not considered a business. The Company adopted the guidance effective January 1, 2018. ASU 2017-01 applies prospectively for annual and interim periods beginning after December 15, 2017. The adoption of this guidance did not have a material impact on our consolidated financial statements.

Accounting Standards Update 2016-15, Statement of Cash Flows (Topic 230): Classification of Certain Cash Receipts and Cash Payments (a consensus of the FASB Emerging Issues Task Force)--In August 2016, the FASB issued ASU 2016-15, “Statement of Cash Flows (Topic 230): Classification of Certain Cash Receipts and Cash Payments,” which provides guidance on how cash receipts and cash payments related to eight specific cash flow issues are presented and classified in the statement of cash flows, with the objective of reducing the existing diversity in practice. The Company adopted ASU 2016-15 prospectively on January 1, 2018. The adoption of ASU 2016-15 did not have a material impact on our consolidated financial statements.

Accounting Standards Update 2017-07, Compensation - Retirement Benefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost--In March 2017, the FASB issued ASU 2017-07, “Compensation-Retirement Benefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost,” which changes the presentation of net periodic benefit cost related to employer sponsored defined benefit plans and other postretirement benefits. Under ASU 2017-07, service costs are included within the same income statement line item as other compensation costs arising from services rendered by pertinent employees during the period. The other components of net periodic benefit pension cost are presented separately outside of income from operations. Additionally, only the service cost component of the net periodic benefit cost may be capitalized in assets. The amendments under ASU 2017-07 also provide a practical expedient that permits the use of amounts disclosed in the pension and other postretirement benefit plan footnote for prior year comparative periods as the estimation basis for applying the guidance retrospectively. The Company adopted ASU 2017-07 on January 1, 2018 and chose to use the practical expedient provided when applying the guidance retrospectively. Upon adoption, service costs are recognized in our financial statements as general and administrative expenses while the remaining components of net periodic benefit cost are recognized as other income (expense). Pension expense of $5,186 for the year ended December 31, 2017 and $3,496 for the year ended December 31, 2016 have been reclassified from general and administrative expense to other income (expense).

Accounting Standards Update 2014-09, Revenue from Contracts with Customers (Topic 606)--In May 2014, the FASB issued ASU 2014-09, “Revenue from Contracts with Customers (Topic 606),” which replaces all current U.S. GAAP guidance on revenue recognition and eliminates all industry-specific guidance.

The Company adopted ASU 2014-09 and applied it to all contracts that were not completed as of January 1, 2018 using the modified retrospective method. The cumulative effect of applying the guidance in ASU 2014-09 was not material. Further, the adoption of ASU 2014-09 did not have a significant impact on the amount or timing of revenue recognition. Therefore, we have not disclosed the amount by which each financial statement line item is affected in the current period as a result of applying ASU 2014-09 or an explanation of significant changes between our results as reported and those that would have been reported under legacy U.S. GAAP, as no significant changes were identified.

F-12

The Davey Tree Expert Company

Notes to Consolidated Financial Statements--(Continued)

December 31, 2018

(In thousands, except share data)

C. Recent Accounting Guidance (continued)

Accounting Standards Not Yet Adopted

Accounting Standards Update 2016-02, Leases (Topic 842)--In February 2016, the FASB issued ASU 2016-02, “Leases (Topic 842).” The FASB issued subsequent amendments to the initial guidance in July 2018 with ASU 2018-10, in August 2018 with ASU 2018-11, and in December 2018 with ASU 2018-20. ASU 2016-02 establishes a comprehensive new lease accounting model. The new standard: (a) clarifies the definition of a lease; (b) requires a dual approach to lease classification similar to current lease classifications; and (c) causes lessees to recognize leases on the balance sheet as a lease liability with a corresponding right-of-use asset for leases with a lease-term of more than twelve months. The new standard is effective for interim and annual periods beginning after December 15, 2018, which for Davey Tree would be January 1, 2019. Management has evaluated all real estate, personal property and other arrangements that may meet the definition of a lease and has implemented a technology solution to assist with the management of leases.

We will adopt the new standard on the required effective date of January 1, 2019 using the Comparatives Under ASC 840 approach, which requires application of the new guidance at the beginning of the standard’s effective date. The Company elected the Package of Three practical expedient and has decided not to elect the “Hindsight” practical expedient. As a result, the Company will measure the right of use asset and lease liability for operating leases upon adoption using the remaining portion of the lease term that was determined under ASC 840 when the lease was entered into.

A cross-functional implementation team is finalizing policy elections, the discount rate to be used based on January 1, 2019 data, and business processes and controls to support recognition and disclosure under the new standard. The primary impact upon adoption will be the recognition of right of use assets and lease liabilities, on a discounted basis, of our minimum lease obligations, as disclosed in Note K. We currently do not expect ASU 2016-02 to have a material effect on our Consolidated Statements of Income.

Accounting Standards Update 2018-02, Income Statement - Reporting Comprehensive Income (Topic 220)--In February 2018, the FASB issued ASU 2018-02, "Income Statement - Reporting Comprehensive Income (Topic 220)." ASU 2018-02 provides an option to reclassify the stranded tax effects within accumulated other comprehensive income to retained earnings as a result of the Tax Cuts and Jobs Act of 2017 (the "Tax Reform Act"). This standard is effective for interim and annual reporting periods beginning after December 15, 2018, which for Davey Tree would be January 1, 2019. Early adoption is permitted. Management has not yet completed its assessment of the impact of the new standard on the Company's consolidated financial statements.

SEC Release No. 33-10532, Disclosure Update and Simplification--In August 2018, the SEC adopted the final rule under SEC Release No. 33-10532, Disclosure Update and Simplification, amending certain disclosure requirements that were redundant, duplicative, overlapping, outdated or superseded. In addition, the amendments expanded the disclosure requirements on the analysis of shareholders' equity for interim financial statements. Under the amendments, an analysis of changes in each caption of shareholders' equity presented in the balance sheet must be provided in a note or separate statement. The analysis should present a reconciliation of the beginning balance to the ending balance of each period for which a statement of comprehensive income is required to be filed. This final rule is effective for all filings made on or after November 5, 2018. Given the effective date and the proximity to most filers' quarterly reports, the SEC is not objecting to filers deferring the presentation of changes in shareholders' equity in their Forms 10-Q until the quarter that begins after the date of adoption, November 5, 2018. We plan to present the interim changes in shareholders' equity required by SEC Release No. 33-10532 beginning with our first quarter 2019 Form 10-Q.

D. Business Combinations

Our investments in businesses were: (a) $13,244 in 2018, including liabilities assumed of $2,381 and debt issued of $2,402; (b) $13,264 in 2017, including liabilities assumed of $2,713 and debt issued of $3,099; and (c) $4,888 in 2016, including $216 of liabilities assumed and debt issued of $875.

The net assets of the businesses acquired are accounted for under the acquisition method and were recorded at their fair values at the dates of acquisition. The measurement period for purchase price allocations ends as soon as information of the

F-13

The Davey Tree Expert Company

Notes to Consolidated Financial Statements--(Continued)

December 31, 2018

(In thousands, except share data)

D. Business Combinations (continued)

facts and circumstances becomes available, but does not exceed one year from the acquisition date. On November 30, 2018, we finalized the acquisition of Kerr Environmental, for which purchase accounting entries related to fixed assets, intangible assets and goodwill have not yet been finalized as of December 31, 2018.

The Company’s intangible assets consist of tradenames, non-competition agreements and customer relationships. The tradenames and customer relationships intangible assets were assigned an average seven-year useful life, and the non-competition agreements were assigned an average five-year useful life.

The excess of the purchase price over the estimated fair values of the net assets acquired was recorded as an increase in goodwill of approximately $2,840 in 2018 (all of which is deductible for tax purposes), $5,131 in 2017 (all of which is deductible for tax purposes) and $817 goodwill in 2016 (all of which is deductible for tax purposes).

The results of operations of acquired businesses have been included in the consolidated statements of operations beginning as of the effective dates of acquisition. The effect of these acquisitions on our consolidated revenues and results of operations, either individually or in the aggregate, for the years ended December 31, 2018, 2017 or 2016 was not significant.

E. Accounts Receivable, Net and Supplemental Balance Sheet Information

Accounts receivable, net, consisted of the following:

	December 31,
	2018		2017
Accounts receivable	$	158,556	$	143,244
Unbilled receivables	40,671		29,895
	199,227		173,139
Less allowances for doubtful accounts	3,321		4,468
	$	195,906	$	168,671

Unbilled Receivables consist of work-in-process in accordance with the terms of contracts, primarily, with utility services customers.

The following items comprise the amounts included in the balance sheets:

	December 31,
Other current assets	2018		2017
Refundable income taxes	$	1,625	$	587
Other	932		784
Total	$	2,557	$	1,371

	December 31,
Other assets, noncurrent	2018		2017
Assets invested for self-insurance	$	15,379	$	19,422
Investment--cost-method affiliate	1,218		1,218
Deferred income taxes	573		4,815
Other	4,599		3,701
Total	$	21,769	$	29,156

F-14

The Davey Tree Expert Company

Notes to Consolidated Financial Statements--(Continued)

December 31, 2018

(In thousands, except share data)

E.    Accounts Receivable, Net and Supplemental Balance Sheet Information (continued)

	December 31,
Accrued expenses	2018		2017
Employee compensation	$	24,086	$	20,794
Accrued compensated absences	9,711		9,267
Self-insured medical claims	3,343		3,193
Customer advances, deposits	1,322		1,672
Income taxes payable	31		3,443
Taxes, other than income	2,546		2,279
Other	3,022		2,168
Total	$	44,061	$	42,816

	December 31,
Other liabilities, noncurrent	2018		2017
Pension and retirement plans	$	6,138	$	14,759
Other	3,987		5,207
Total	$	10,125	$	19,966

F. Subsequent Events

PG&E Bankruptcy Filing

On January 29, 2019, Pacific Gas & Electric Company, and its parent Company PG&E Corporation (“PG&E”), our largest utility customer, filed voluntary bankruptcy petitions under Chapter 11 of the United States Bankruptcy Code in the U.S. Bankruptcy Court for the Northern District of California. PG&E approximated 12% of revenues during 2018, 11% in 2017 and 12% in 2016. As a utility company, PG&E serves residential and industrial customers in California and has an ongoing obligation to continue to serve its customers, and we continue to perform under our contracts with PG&E post-petition. As of the date of the bankruptcy filing, we had pre-petition accounts receivable of approximately $13,000 which we believe to be collectible. While uncertainty exists as to the outcome of the bankruptcy proceedings, we do not anticipate PG&E's bankruptcy to have a material impact on our future cash flows and results of operations.

AR Securitization

On January 24, 2019, we amended our AR securitization facility to address insolvency proceedings, specifically those receivables from PG&E Corporation and its regulated utility subsidiary, Pacific Gas and Electric Company (collectively “Pacific Gas & Electric”), which filed voluntary bankruptcy petitions under Chapter 11 of the United States Bankruptcy Code in the U.S. Bankruptcy Court for the Northern District of California. Under the terms of the receivable financing agreement, receivables from Pacific Gas and Electric, while remaining in the securitized pool, will be considered ineligible and are excluded from performance ratios and reserves.

Acquisition of Businesses

Subsequent to December 31, 2018 and through March 11, 2019, we acquired two businesses approximating $3,950 with no liabilities assumed and debt issued of $1,092. The acquired companies are in our Residential and Commercial segment in the Houston, Texas and Omaha, Nebraska markets. The effect of these acquisitions on our consolidated revenues and results of operations, either individually or in the aggregate, are not significant.

F-15

The Davey Tree Expert Company

Notes to Consolidated Financial Statements--(Continued)

December 31, 2018

(In thousands, except share data)

F. Subsequent Events (continued)

Issuance of Debt

On February 5, 2019 we issued 4.00% Senior Notes, Series B (the "4.00% Senior Notes") pursuant to the Note Purchase and Shelf Agreement in the aggregate principal amount of $25,000. The notes are due September 21, 2028. Subsequent series of promissory notes may be issued pursuant to the Note Purchase and Shelf Agreement in an aggregate additional principal amount not to exceed $25,000. The 4.00% Senior Notes are equal in right of payment with our revolving credit facility and all other senior unsecured obligations of the Company. Interest is payable semiannually and 5 equal, annual principal payments commence on September 21, 2024 (thesixth anniversary of issuance of the 3.99% Senior Notes).

G. Supplemental Cash Flow Information

Supplemental cash flow information follows:

	Year Ended December 31,
Supplemental cash flow information	2018			2017			2016
Interest paid	$	6,375		$	5,096		$	4,329
Income taxes paid, net	11,514			10,005			10,578
Noncash transactions:
Debt issued for purchases of businesses	$	2,402		$	3,099		$	875
Detail of acquisitions:
Assets acquired:
Accounts receivable	$	1,311		$	1,753		$	—
Operating supplies	23			—			157
Prepaid expense	89			128			55
Equipment	4,079			1,904			2,485
Other assets	7			52			—
Intangible assets	4,895			4,296			1,374
Goodwill	2,840			5,131			817
Liabilities assumed	(2,381		)	(2,713		)	(216		)
Debt issued for purchases of businesses	(2,402		)	(3,099		)	(875		)
Cash paid	$	8,461		$	7,452		$	3,797

F-16

The Davey Tree Expert Company

Notes to Consolidated Financial Statements--(Continued)

December 31, 2018

(In thousands, except share data)

H. Intangible Assets and Goodwill, Net

The carrying amount of the intangible assets and goodwill acquired in connection with our acquisitions were as follows:

	Weighted-Average Amortization Period (Years)		December 31, 2018				December 31, 2017
			Carrying Amount		Accumulated Amortization		Carrying Amount		Accumulated Amortization
Amortized intangible assets:
Customer lists/relationships	3.6	years	$	25,179	$	18,251	$	21,487	$	16,846
Employment-related	2.8	years	8,133		6,954		7,333		6,624
Tradenames	3.7	years	6,858		5,435		5,978		5,134
Total			40,170		$	30,640	34,798		$	28,604
Less accumulated amortization			30,640				28,604
Intangible assets, net			9,530				6,194
Goodwill			37,971				35,477
			$	47,501			$	41,671

The changes in the carrying amounts of goodwill, by segment, for the years ended December 31, 2018 and December 31, 2017 follow:

	Balance at January 1, 2018		Acquisitions		Translation and Other Adjustments			Balance at December 31, 2018
Utility	$	3,424	$	1,487	$	—		$	4,911
Residential and Commercial	32,053		1,353		(346		)	33,060
Total	$	35,477	$	2,840	$	(346	)	$	37,971

	Balance at January 1, 2017		Acquisitions		Translation and Other Adjustments		Balance at December 31, 2017
Utility	$	3,424	$	—	$	—	$	3,424
Residential and Commercial	26,881		5,131		41		32,053
Total	$	30,305	$	5,131	$	41	$	35,477

Estimated future aggregate amortization expense of intangible assets--The estimated aggregate amortization expense of intangible assets, as of December 31, 2018, in each of the next five years follows:

	Estimated Future Amortization Expense
Year ending December 31, 2019	$	2,197
2020	2,011
2021	1,569
2022	1,339
2023	1,209
Thereafter	1,205
	$	9,530

F-17

The Davey Tree Expert Company

Notes to Consolidated Financial Statements--(Continued)

December 31, 2018

(In thousands, except share data)

I. Short and Long-Term Debt and Commitments Related to Letters of Credit

Short-term debt consisted of the following:

	December 31,
	2018		2017
Notes payable	$	—	$	149
Current portion of long-term debt	22,514		16,166
	$	22,514	$	16,315

At December 31, 2018, we also had unused short-term lines of credit with several banks totaling $7,097, generally at the banks' prime rate or LIBOR plus a margin adjustment of .75% to 1.50%. Long-term debt consisted of the following:

	December 31,
	2018		2017
Revolving credit facility
Swing-line borrowings	$	2,500	$	—
LIBOR borrowings	91,000		100,000
	93,500		100,000
5.09% Senior unsecured notes	12,000		18,000
3.99% Senior unsecured notes	50,000		—
Term loans	23,176		16,242
	178,676		134,242
Less debt issuance costs	599		725
Less current portion	22,514		16,166
	$	155,563	$	117,351

Revolving Credit Facility and Senior Unsecured Notes--In October 2017, the Company amended and restated its revolving credit facility, as further amended in September 2018, as discussed below. The amended and restated credit agreement, which expires in October 2022, permits borrowings as defined up to $250,000 including a letter of credit sublimit of $100,000 and a swing-line commitment of $25,000. Under certain circumstances, the amount available under the revolving credit facility may be increased to $325,000. The revolving credit facility contains certain affirmative and negative covenants customary for this type of facility and includes financial covenant ratios with respect to a maximum leverage ratio (not to exceed 3.00 to 1.00 with exceptions in case of material acquisitions) and a minimum interest coverage ratio (not less than 3.00 to 1.00), in each case subject to certain further restrictions as described in the Credit Agreement.

On July 22, 2010, we issued $30,000 of 5.09% Senior Unsecured Notes, Series A, due July 22, 2020 (the "5.09% Senior Notes"). The 5.09% Senior Notes were issued pursuant to a Master Note Purchase Agreement (the “Purchase Agreement”), between the Company and the purchasers of the 5.09% Senior Notes. The net proceeds of the 5.09% Senior Notes were used to pay down borrowings under our revolving credit facility.

The 5.09% Senior Notes are equal in right of payment with our revolving credit facility and all other senior unsecured obligations of the Company. Interest is payable semiannually and five equal, annual principal payments commenced on July 22, 2016 (thesixth anniversary of issuance).  The Purchase Agreement contains customary events of default and covenants related to limitations on indebtedness and transactions with affiliates and the maintenance of certain financial ratios.

On September 21, 2018, we issued 3.99% Senior Notes, Series A (the "3.99% Senior Notes"), in the aggregate principal amount of $50,000. The 3.99% Senior Notes are due September 21, 2028.

The 3.99% Senior Notes were issued pursuant to a Note Purchase and Private Shelf Agreement (the “Note Purchase and Shelf Agreement”) between the Company, PGIM, Inc. and the purchasers of the 3.99% Senior Notes. Subsequent series of

F-18

The Davey Tree Expert Company

Notes to Consolidated Financial Statements--(Continued)

December 31, 2018

(In thousands, except share data)

I. Short and Long-Term Debt and Commitments Related to Letters of Credit (continued)

promissory notes may be issued pursuant to the 3.99% Senior Note Purchase Agreement (the "Shelf Notes") in an aggregate additional principal amount not to exceed $50,000.

The net proceeds of the 3.99% Senior Notes were used to pay down borrowings under our revolving credit facility.

The 3.99% Senior Notes are equal in right of payment with our revolving credit facility and all other senior unsecured obligations of the Company. Interest is payable semiannually and five equal, annual principal payments of $10,000 commence on September 21, 2024 (thesixth anniversary of issuance).  The Note Purchase and Shelf Agreement contains customary events of default and covenants related to limitations on indebtedness and transactions with affiliates and the maintenance of certain financial ratios. The Company may prepay at any time all, or from time to time any part of, the outstanding principal amount of the 3.99% Senior Notes, subject to the payment of a make-whole amount.

In conjunction with the issuance of the 3.99% Senior Notes, on September 21, 2018, the Company entered into an amendment to its revolving credit facility.

The amendment amended certain provisions and covenants in the credit agreement to generally conform them to the corresponding provisions and covenants in the Note Purchase and Shelf Agreement. The amendment also permitted the Company to incur indebtedness arising under the Note Purchase and Shelf Agreement in an aggregate principal amount not to exceed $75,000, which included the $50,000 of 3.99% Senior Notes, plus an additional $25,000 in Shelf Notes.

As of December 31, 2018, we had unused commitments under the revolving credit facility approximating$153,377 and$96,623committed, which consisted of borrowings of$93,500 and issued letters of credit of$3,123. Borrowings outstanding bear interest, at the Company's option, of either (a) the base rate or (b) LIBOR plus a margin adjustment ranging from .875% to 1.50%--with the margin adjustments in both instances based on the Company's leverage ratio at the time of borrowing. The base rate is the greater of (i) the agent bank’s prime rate, (ii) LIBOR plus 1.5%, or (iii) the federal funds rate plus .5%. A commitment fee ranging from .10% to .225% is also required based on the average daily unborrowed commitment.

Term loans--Periodically, the company will enter into term loans for the procurement of insurance or to finance acquisitions.

Term Loans, Weighted-Average Interest Rate--The weighted-average interest on the term loans approximated 4.28% at December 31, 2018 and 3.56% at December 31, 2017.

Aggregate Maturities of Long-Term Debt--Aggregate maturities of long-term debt for the five years subsequent to December 31, 2018 were as follows: 2019--$22,514; 2020--$7,569; 2021--$5,093; 2022--$93,500; 2023--$0; and thereafter $50,000.

Accounts Receivable Securitization Facility--In May 2018, Davey Tree amended its Accounts Receivable Securitization Facility (the “AR securitization facility”), to extend the scheduled termination date for an additional one-year period, to May 6, 2019. In addition, for purposes of determining events of default, the Days' Sales Outstanding calculation was amended to include the most recent six fiscal months. The prior calculation was based on the most recent three fiscal months.

Under the AR Securitization program, Davey Tree transfers by selling or contributing current and future trade receivables to a wholly-owned, bankruptcy-remote financing subsidiary which pledges a perfected first priority security interest in the trade receivables--equal to the issued letters of credit ("LCs") as of December 31, 2018--to the bank in exchange for the bank issuing LCs.

Fees payable to the bank include: (a) an LC issuance fee, payable on each settlement date, in the amount of .90% per annum on the aggregate amount of all LCs outstanding plus outstanding reimbursement obligations (e.g., arising from drawn LCs), if any, and (b) an unused LC fee, payable monthly, equal to (i) .35% per annum for each day on which the sum of the total LCs outstanding plus any outstanding reimbursement obligations is greater than or equal to 50% of the facility limit and (ii) .45% per annum for each day on which the sum of the total LCs outstanding plus any outstanding reimbursement obligations is less than 50% of the facility limit. If an LC is drawn and the bank is not immediately reimbursed in full for the drawn amount, any outstanding reimbursement obligation will accrue interest at a per annum rate equal to a reserve-adjusted LIBOR or, in certain circumstances, a base rate equal to the higher of (i) the bank’s prime rate and (ii) the federal funds rate plus .50% and,

F-19

The Davey Tree Expert Company

Notes to Consolidated Financial Statements--(Continued)

December 31, 2018

(In thousands, except share data)

I. Short and Long-Term Debt and Commitments Related to Letters of Credit (continued)

following any default, 2.00% plus the greater of (a) adjusted LIBOR and (b) a base rate equal to the higher of (i) the bank’s prime rate and (ii) the federal funds rate plus .50%.

The agreements underlying the AR securitization facility contains various customary representations and warranties, covenants, and default provisions which provide for the termination and acceleration of the commitments under the AR securitization facility in circumstances including, but not limited to, failure to make payments when due, breach of a representation, warranty or covenant, certain insolvency events or failure to maintain the security interest in the trade receivables, and defaults under other material indebtedness.

The AR Securitization program has a limit of $100,000, of which $67,438 was issued for letters of credit as of December 31, 2018.

Total Commitments Related to Issued Letters of Credit--As of December 31, 2018, total commitments related to issued letters of credit were $72,565, of which $3,123 were issued under the revolving credit facility, $67,438 were issued under the AR securitization facility and $2,004 were issued under short-term lines of credit. As of December 31, 2017, total commitments related to issued letters of credit were $63,242, of which $3,088 were issued under the revolving credit facility, $58,150 were issued under the AR securitization facility and $2,004 were issued under short-term lines of credit.

As of December 31, 2018, we are in compliance with all debt covenants.

J. Self-Insurance Accruals

Components of our self-insurance accruals for workers’ compensation, vehicle liability and general liability follow:

	December 31,
	2018		2017
Workers' compensation	$	41,577	$	40,764
Present value discount	3,099		2,346
	38,478		38,418
Vehicle liability	13,342		5,536
General liability	31,965		23,740
Total	83,785		67,694
Less current portion	27,434		23,782
Noncurrent portion	$	56,351	$	43,912

The changes in our self-insurance accruals and the discount rate used for the workers’ compensation accrual are summarized in the table below.

	December 31,
	2018			2017
Balance, beginning of year	$	67,694		$	62,838
Provision for claims	51,685			34,884
Payment of claims	(35,594		)	(30,028		)
Balance, end of year	$	83,785		$	67,694
Workers' compensation discount rate	2.50		%	2.00		%

The increase in the provision for claims primarily relates to increases for certain vehicle and general liability claims that are anticipated to settle in the future at or near our retention levels.

F-20

The Davey Tree Expert Company

Notes to Consolidated Financial Statements--(Continued)

December 31, 2018

(In thousands, except share data)

K. Lease Obligations

Assets acquired under capital leases and included in property and equipment consisted of the following:

	December 31,
	2018		2017
Equipment	$	6,534	$	3,481
Less accumulated amortization	1,797		805
	$	4,737	$	2,676

We also lease facilities under noncancelable operating leases, which are used for district office and warehouse operations and equipment used in operations. These leases extend for varying periods of time up to five years and, in some cases, contain renewal options. Minimum rental commitments under all capital and noncancelable operating leases, as of December 31, 2018, were as follows:

	Lease Obligations
Minimum lease obligations	Capital		Operating
Year ending December 31, 2019	$	1,426	$	14,023
2020	1,371		11,272
2021	1,183		7,712
2022	272		5,129
2023	71		2,060
2024 and after	—		1,923
Total minimum lease payments	4,323		$	42,119
Amounts representing interest	116
Present value of net minimum lease payments	4,207
Less current portion	1,345
Long-term capital lease obligations, December 31, 2018	$	2,862

Total rent expense under all operating leases was $9,594 in 2018, $7,998 in 2017 and $7,536 in 2016.

L. Common Shares, Redeemable Common Shares and Preferred Shares

We have given retroactive consideration to the two-for-one stock split of our common shares effective June 1, 2017 including all common share and per share data.

Preferred Shares--We have authorized a class of 4,000,000 preferred shares, no par value, of which none were issued as of December 31, 2018.

Redeemable Common Shares-Our Davey 401KSOP and ESOP Plan includes a put option for shares of the Company’s common stock distributed from the plan. Due to the Company’s obligation under the put option, shares held in the Davey 401KSOP and ESOP Plan as well as distributed shares subject to the put option are reclassified from permanent equity to temporary equity. The number of redeemable common shares for each of the three years in the period ended December 31, 2018 was as follows: 2018--5,642,154; 2017--6,467,027; and 2016--7,056,904.

Common Shares--The number of common shares authorized is 48,000,000, par value $1.00. The number of common shares issued during each of the three years in the period ended December 31, 2018 was as follows: 2018--37,271,606; 2017--36,446,890 and 2016--35,856,856. The number of shares in the treasury for each of the three years in the period ended December 31, 2018 was as follows: 2018--20,033,108; 2017--18,692,901; and 2016--17,990,620.

F-21

The Davey Tree Expert Company

Notes to Consolidated Financial Statements--(Continued)

December 31, 2018

(In thousands, except share data)

L. Common Shares, Redeemable Common Shares and Preferred Shares (continued)

Our common and redeemable common shares are not listed or traded on an established public trading market, and market prices are, therefore, not available. Semiannually, an independent stock valuation firm determines the fair market value of our common and redeemable common shares based upon our performance and financial condition. Since 1979, we have provided a ready market for all shareholders through our direct purchase of their common shares, although we are under no obligation to do so (other than repurchases pursuant to the put option under the Davey 401KSOP and ESOP Plan, as described in Note N). During 2018, purchases of common shares, both redeemable and common, totaled 2,636,943 shares for $51,116 in cash; we also had direct sales to directors and employees of 17,992 shares for $345, excluding those shares issued through either the exercise of options or the Employee Stock Purchase Plan. We also sold 395,586 shares to our 401(k) plan for $7,647and issued 198,189 shares to participant accounts to satisfy our liability for the 2017 employer match in the amount of $3,785. The liability accrued at December 31, 2018 for the 2018 employer match was $4,126. There were also 348,973 shares purchased during 2018 under the Employee Stock Purchase Plan.

Common and Redeemable Shares Outstanding--The table below reconciles the activity of the common and redeemable shares outstanding:

	Common Shares Net of Treasury Shares		Redeemable Shares		Total
Shares outstanding, December 31, 2016	17,866,236		7,056,904		24,923,140
Shares purchased	(807,718	)	(890,009	)	(1,697,727	)
Shares sold	362,674		300,132		662,806
Stock subscription offering, employee cash purchases	90,645		—		90,645
Options exercised	241,995		—		241,995
Shares outstanding, December 31, 2017	17,753,832		6,467,027		24,220,859
Shares purchased	(1,530,528	)	(1,106,415	)	(2,636,943	)
Shares sold	679,197		281,543		960,740
Stock subscription offering, employee cash purchases	129,245		—		129,245
Options exercised	206,751		—		206,751
Shares outstanding, December 31, 2018	17,238,497		5,642,155		22,880,652

On December 31, 2018, we had 22,880,652 common shares outstanding, employee options exercisable to purchase 889,814 common shares, partially-paid subscription for 690,260 common shares and purchase rights outstanding for 241,236 common shares.

Stock Subscription Offering--Beginning May 2012, the Company offered to eligible employees and nonemployee directors the right to subscribe to common shares of the Company at $9.85 per share in accordance with the provisions of The Davey Tree Expert Company 2004 Omnibus Stock Plan and the rules of the Compensation Committee of the Company's Board of Directors (collectively, the "plan"). The offering period ended on August 1, 2012 and resulted in the subscription of 1,275,428 common shares for $12,563 at $9.85 per share.

Under the plan, a participant in the offering purchasing common shares for an aggregate purchase price of less than $5 had to pay with cash. All participants (excluding Company directors and officers) purchasing $5 or more of the common shares had an option to finance their purchase through a down-payment of at least 10% of the total purchase price and a seven-year promissory note for the balance due with interest at 2%. Payments on the promissory note can be made either by payroll deductions or annual lump-sum payments of both principal and interest.

Common shares purchased under the plan have been pledged as security for the payment of the promissory note and the common shares will not be issued until the promissory note is paid-in-full. Dividends will be paid on all subscribed shares, subject to forfeiture to the extent that payment is not ultimately made for the shares.

F-22

The Davey Tree Expert Company

Notes to Consolidated Financial Statements--(Continued)

December 31, 2018

(In thousands, except share data)

L. Common Shares, Redeemable Common Shares and Preferred Shares (continued)

All participants in the offering purchasing in excess of $5 of common shares were granted a "right" to purchase one additional common share at a price of $9.85 per share for every three common shares purchased under the plan. As a result of the stock subscription, employees were granted rights to purchase 423,600 common shares. Each right may be exercised at the rate of one-seventh per year and will expire seven years after the date that the right was granted. Employees may not exercise a right should they cease to be employed by the Company.

M. Accumulated Other Comprehensive Income (Loss)

Comprehensive income (loss) is comprised of net income and other adjustments that relate to foreign currency translation adjustments and defined benefit pension plan adjustments. We do not provide income taxes on currency translation adjustments, as the earnings of our Canadian operations are considered to be indefinitely reinvested.

The following summarizes the components of other comprehensive income (loss) accumulated in shareholders’ equity:

	Foreign Currency Translation Adjustments			Defined Benefit Pension Plans			Accumulated Other Comprehensive Income (Loss)
Balance at January 1, 2016	$	(6,244	)	$	(7,150	)	$	(13,394	)
Unrealized gains (losses)	744			—			744
Amounts reclassified from accumulated other comprehensive income (loss)	—			2,844			2,844
Tax effect	—			(1,137		)	(1,137		)
Unrecognized amounts from defined benefit pension plans	—			(2,032		)	(2,032		)
Tax effect	—			813			813
Net of tax amount	744			488			1,232
Balance at December 31, 2016	$	(5,500	)	$	(6,662	)	$	(12,162	)
Unrealized gains (losses)	2,195			—			2,195
Amounts reclassified from accumulated other comprehensive income (loss)	—			4,822			4,822
Tax effect	—			(1,962		)	(1,962		)
Unrecognized amounts from defined benefit pension plans	—			(2,169		)	(2,169		)
Tax effect	—			883			883
Net of tax amount	2,195			1,574			3,769
Balance at December 31, 2017	$	(3,305	)	$	(5,088	)	$	(8,393	)
Unrealized gains (losses)	(2,514		)	—			(2,514		)
Amounts reclassified from accumulated other comprehensive income (loss)	—			6,291			6,291
Tax effect	—			(145		)	(145		)
Unrecognized amounts from defined benefit pension plans	—			(279		)	(279		)
Tax effect	—			6			6
Net of tax amount	(2,514		)	5,873			3,359
Balance at December 31, 2018	$	(5,819	)	$	785		$	(5,034	)

The amounts reclassified from accumulated other comprehensive income (loss) related to defined benefit pension plans for 2018, 2017 and 2016 are included in net periodic pension expense classified in the statement of operations as general and administrative or other income (expense).

F-23

The Davey Tree Expert Company

Notes to Consolidated Financial Statements--(Continued)

December 31, 2018

(In thousands, except share data)

N. The Davey 401KSOP and Employee Stock Ownership Plan

On March 15, 1979, we consummated a plan, which transferred control of the Company to our employees. As a part of this plan, we initially sold 120,000 common shares (presently, 23,040,000 common shares adjusted for stock splits) to our Employee Stock Ownership Trust (“ESOT”) for $2,700. The Employee Stock Ownership Plan (“ESOP”), in conjunction with the related ESOT, provided for the grant to certain employees of certain ownership rights in, but not possession of, the common shares held by the trustee of the ESOT. Annual allocations of shares have been made to individual accounts established for the benefit of the participants.

Defined Contribution and Savings Plans--Most employees are eligible to participate in The Davey 401KSOP and ESOP. Effective January 1, 1997, the plan commenced operations and retained the existing ESOP participant accounts and incorporated a deferred savings plan (a "401(k) plan") feature. Participants in the 401(k) plan are allowed to make before-tax contributions, within Internal Revenue Service established limits, through payroll deductions. Effective January 1, 2009, we match, in either cash or our common shares, 100% of the first one percent and 50% of the next three percent of each participant's before-tax contribution, limited to the first four percent of the employee's compensation deferred each year. All nonbargaining domestic employees who attained age 21 and completed one year of service are eligible to participate. In May 2004, we adopted the 401K Match Restoration Plan, a defined contribution plan that supplements the retirement benefits of certain employees that participate in the savings plan feature of The Davey 401KSOP and ESOP Plan, but are limited in contributions because of tax rules and regulations.

The Davey 401KSOP and ESOP Plan includes a put option for shares of the Company’s common stock distributed from the plan. Shares are distributed from the Davey 401KSOP and ESOP Plan to former participants of the plan, their beneficiaries, donees or heirs (each, a “participant”). Since our common stock is not currently traded on an established securities market, if the owners of distributed shares desire to sell their shares, the Company is required to purchase the shares at fair value for two60-day periods after distribution of the shares from the Davey 401KSOP and ESOP. The fair value of distributed shares subject to the put option totaled $6,288 and $3,843 as of December 31, 2018 and December 31, 2017, respectively. The fair value of the shares held in the Davey 401KSOP and ESOP totaled $112,761 and $119,677 as of December 31, 2018 and December 31, 2017, respectively. Due to the Company’s obligation under the put option, the distributed shares subject to the put option and the shares held in the Davey 401KSOP and ESOP (collectively referred to as 401KSOP and ESOP related shares) are classified as temporary equity in the mezzanine section of the consolidated balance sheets and totaled $119,049 and $123,520 as of December 31, 2018 and December 31, 2017, respectively. Changes in the fair value of the Davey 401KSOP and ESOP Plan related shares are reflected in retained earnings while net share activity associated with the Davey 401KSOP and ESOP Plan related shares are first reflected in additional paid-in capital and then retained earnings if additional paid in-capital is insufficient.

Total compensation for these plans, consisting primarily of the employer match, was $4,053 in 2018, $3,794 in 2017, and $3,661 in 2016.

O. Stock-Based Compensation

Our shareholders approved the 2014 Omnibus Stock Plan (the “2014 Stock Plan”) at our annual meeting of shareholders on May 20, 2014. The 2014 Stock Plan replaced the expired 2004 Omnibus Stock Plan (the “2004 plan”) previously approved by the shareholders in 2004. The 2014 Stock Plan is administered by the Compensation Committee of the Board of Directors and will remain in effect for ten years. All directors of the Company and employees of the Company and its subsidiaries are eligible to participate in the 2014 Stock Plan. The 2014 Stock Plan (similar to the 2004 plan) continues the maintenance of the Employee Stock Purchase Plan, as well as provisions for the grant of stock options and other stock-based incentives. The 2014 Stock Plan provides for the grant of five percent of the number of the Company’s common shares outstanding as of the first day of each fiscal year plus the number of common shares that were available for grant of awards, but not granted, in prior years. In no event, however, may the number of common shares available for the grant of awards in any fiscal year exceed ten percent of the common shares outstanding as of the first day of that fiscal year. Common shares subject to an

F-24

The Davey Tree Expert Company

Notes to Consolidated Financial Statements--(Continued)

December 31, 2018

(In thousands, except share data)

O. Stock-Based Compensation (continued)

award that is forfeited, terminated, or canceled without having been exercised are generally added back to the number of shares available for grant under the 2014 Stock Plan.

Stock-based compensation expense under all share-based payment plans—our Employee Stock Purchase Plan, stock option plans, stock-settled stock appreciation rights, and performance-based restricted stock units—included in the results of operations follows:

	Year Ended December 31,
	2018		2017		2016
Compensation expense, all share-based payment plans	$	3,370	$	4,049	$	2,811
Income tax benefit	602		1,315		823

Stock-based compensation consisted of the following:

Employee Stock Purchase Plan--Under the Employee Stock Purchase Plan, all full-time employees with one year of service are eligible to purchase, through payroll deduction, common shares. Employee purchases under the Employee Stock Purchase Plan are at 85% of the fair market value of the common shares--a 15% discount. Compensation costs are recognized as payroll deductions are made. The 15% discount of total shares purchased under the plan resulted in compensation cost recognized of $998 in 2018, $888 in 2017 and $727 in 2016.

Stock Options Plan--The stock options outstanding were awarded under a graded vesting schedule, measured at fair value, and have a term of ten years. Compensation costs for stock options are recognized over the requisite service period on the straight-line recognition method. Compensation cost recognized for stock options was $663 in 2018, $705 in 2017 and $596 in 2016.

Stock-Settled Stock Appreciation Rights--During the year ended December 31, 2018, the Compensation Committee of the Board of Directors awarded 121,243 Stock-Settled Stock Appreciation Rights (“SSARs”) to certain management employees which vest ratably over five years. A stock-settled stock appreciation right is an award that allows the recipient to receive common stock equal to the appreciation in the fair market value of our common stock between the date the award was granted and the conversion date of the shares vested.

The following table summarizes the SSARs as of December 31, 2018: 

Stock-Settled Stock Appreciation Rights	Number of Rights		Weighted- Average Award Date Value		Weighted- Average Remaining Contractual Life	Unrecognized Compensation Cost		Aggregate Intrinsic Value
Unvested, January 1, 2018	448,180		$	3.10
Granted	121,243		3.84
Forfeited	—		—
Vested	(188,441	)	2.93
Unvested, December 31, 2018	380,982		$	3.42	2.4 years	$	924	$	7,505

Compensation costs for SSARs are determined using a fair-value method and amortized over the requisite service period. Compensation expense for SSARs totaled $540 in 2018, $1,035 in 2017 and $591 in 2016.

F-25

The Davey Tree Expert Company

Notes to Consolidated Financial Statements--(Continued)

December 31, 2018

(In thousands, except share data)

O. Stock-Based Compensation (continued)

Restricted Stock Units--During the year ended December 31, 2018, the Compensation Committee of the Board of Directors awarded 31,738 performance-based restricted stock units ("PRSUs") to certain management employees and 13,188 restricted stock units ("RSUs") to nonemployee directors. The Compensation Committee made similar awards in prior periods. The awards vest over specified periods. The following table summarizes restricted stock units as of December 31, 2018:

Restricted Stock Units	Number of Stock Units		Weighted- Average Grant Date Value		Weighted- Average Remaining Contractual Life	Unrecognized Compensation Cost		Aggregate Intrinsic Value
Unvested, January 1, 2018	290,666		$	14.41
Granted	44,926		18.55
Forfeited	—		—
Vested	(87,754	)	12.94
Unvested, December 31, 2018	247,838		$	15.68	1.9 years	$	1,727	$	4,882
Employee PRSUs	209,186		$	15.40	2.2 years	$	1,401	$	4,121
Nonemployee Director RSUs	38,652		$	17.17	1.3 years	$	326	$	761

Compensation cost for awards is determined using a fair-value method, amortized over the requisite service period. “Intrinsic value” is defined as the amount by which the fair market value of a common share of stock exceeds the exercise price of a performance-based restricted stock unit. Compensation expense on restricted stock unit awards totaled $1,169 in 2018, $1,421 in 2017 and $897 in 2016.

The fair value of each award was estimated on the date of grant using a binomial option-pricing model. The binomial model considers a range of assumptions related to volatility, risk-free interest rate and employee exercise behavior. Expected volatilities utilized in the binomial model are based on historical volatility of our share prices and other factors. Similarly, the dividend yield is based on historical experience and expected future changes. The binomial model also incorporates exercise and forfeiture assumptions based on an analysis of historical data. The expected life of the stock-based awards is derived from the output of the binomial model and represents the period of time that awards granted are expected to be outstanding.

The fair values of stock-based awards granted were estimated at the dates of grant with the following weighted-average assumptions:

	Year Ended December 31,
	2018		2017		2016
Volatility rate	10.1	%	10.3	%	10.6	%
Risk-free interest rate	2.7	%	2.2	%	1.8	%
Expected dividend yield	.7	%	.7	%	.7	%
Expected life of awards (years)	9.2		8.9		9.5

F-26

The Davey Tree Expert Company

Notes to Consolidated Financial Statements--(Continued)

December 31, 2018

(In thousands, except share data)

O. Stock-Based Compensation (continued)

General Stock Option Information--The following table summarizes activity under the stock option plans for the year ended December 31, 2018:

Stock Options	Number of Options Outstanding		Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Life	Unrecognized Compensation Cost		Aggregate Intrinsic Value
Outstanding, January 1, 2018	1,528,615		$	13.05
Granted	143,250		19.10
Exercised	(147,321	)	9.93
Forfeited	(58,280	)	13.29
Outstanding, December 31, 2018	1,466,264		$	13.94	5.9 years	$	1,393	$	8,446
Exercisable, December 31, 2018	889,814		$	11.79	4.7 years			$	7,037

“Intrinsic value” is defined as the amount by which the market price of a common share of stock exceeds the exercise price of an option. Information regarding the stock options outstanding at December 31, 2018 is summarized below:

Stock Options  Exercise Price		Number Outstanding	Weighted-Average Remaining Contractual Life	Weighted- Average Exercise Price		Number Exercisable	Weighted- Average Exercise Price
Employee options:
$	8.00	88,413	0.8 years	$	8.00	88,413	$	8.00
8.30		107,000	1.8 years	8.30		107,000	8.30
11.60		270,414	4.5 years	11.60		270,414	11.60
13.20		284,822	5.5 years	13.20		211,422	13.20
15.05		219,965	6.5 years	15.05		112,765	15.05
16.35		230,800	7.5 years	16.35		77,800	16.35
17.60		129,300	8.5 years	17.60		22,000	17.60
19.10		135,550	9.5 years	19.10		—	19.10
		1,466,264	5.9 years	$	13.94	889,814	$	11.79

We issue common shares from treasury upon the exercise of stock options, stock-settled stock appreciation rights, performance-based restricted stock units or purchases under the Employee Stock Purchase Plan.

Tax Benefits of Stock-Based Compensation--Our total income tax benefit from share-based awards--as recognized in our consolidated statement of operations--for the last three years was: $602 in 2018, $1,315 in 2017, and $823 in 2016. Tax benefits for share-based awards are accrued as stock compensation expense and recognized in our consolidated statement of operations. Tax benefits on share-based awards are realized when: (a) stock-settled stock appreciation rights are exercised; (b) performance-based restricted stock units vest; and (c) stock options are exercised.

When actual tax benefits realized exceed the tax benefits accrued for share-based awards, we realize an excess tax benefit. We had excess tax benefits of: $453 in 2018, $691 in 2017, and $1,113 in 2016.

F-27

The Davey Tree Expert Company

Notes to Consolidated Financial Statements--(Continued)

December 31, 2018

(In thousands, except share data)

P. Defined Benefit Pension Plans

We have defined benefit pension plans covering certain current and retired U.S. employees. Plans include: (i) the Employee Retirement Plan (“ERP”) for employees hired prior to January 1, 2009; (ii) a Supplemental Executive Retirement Plan (“SERP”) for which future benefit accruals were frozen effective at the end of the second quarter 2015; and (iii) a Benefit Restoration Pension Plan (“Restoration Plan”) for certain key employees hired prior to January 1, 2009.

Both the SERP and the Restoration Plan are defined benefit plans under which nonqualified supplemental pension benefits will be paid in addition to amounts paid under our qualified retirement defined benefit pension plans, which are subject to Internal Revenue Service limitations on covered compensation.

Effective December 31, 2008, enhanced benefits were implemented to our defined contribution savings plan--The Davey 401KSOP and ESOP--at which time, the Board of Directors approved an amendment to freeze the ERP and the Restoration Plan. The ERP was closed to new participants after December 2008. In connection with the freeze of the ERP, the Restoration Plan and the SERP, (a) benefits currently being paid to retirees continue and (b) benefits accrued through December 31, 2008 for employees covered by the ERP were not affected. All ERP, Restoration Plan and SERP balances remain intact and participant account balances, as well as service credits for vesting and retirement eligibility, remain intact and continue in accordance with the terms of the plans. Only future accruals were eliminated with: (i) the 2008 freeze of the ERP and Restoration Plan and (ii) the 2015 freeze of the SERP.

The change in benefit obligations and the fair value of plans assets follows:

	December 31,
	2018			2017
Change in benefit obligation
Projected benefit obligation at beginning of year	$	19,403		$	24,833
Service cost	400			530
Interest cost	718			1,002
Actuarial (gains)/losses	(77		)	1,865
Amendments	—			—
Settlements	(13,118		)	(8,400		)
Benefits paid	(262		)	(427		)
Projected benefit obligation at end of year	$	7,064		$	19,403
Accumulated benefit obligation at end of year	$	7,064		$	19,403

	December 31,
	2018			2017
Change in fair value of plan assets
Fair value of plan assets at beginning of year	$	7,105		$	11,509
Actual return on plan assets	239			845
Plan expenses, including PBGC premiums	(364		)	(513		)
Employer contributions	10,158			4,091
Settlements	(13,118		)	(8,400		)
Benefits paid	(262		)	(427		)
Fair value of plan assets at end of year	$	3,758		$	7,105

The settlements in the change in benefit obligation and in the change in fair value of plan assets arise from: (i) lump sum offering to 905 participants in our ERP plan during the fourth quarter 2018 as part of our plan termination process; and (ii) a purchase of a guaranteed group annuity contract during the fourth quarter 2017 from a third-party insurance company which

F-28

The Davey Tree Expert Company

Notes to Consolidated Financial Statements--(Continued)

December 31, 2018

(In thousands, except share data)

P. Defined Benefit Pension Plans (continued)

unconditionally and irrevocably guarantees the full payment of all annuity payments to a combination of participants currently receiving benefits or entitled to future benefits from the ERP plan.

	December 31,
	2018			2017
Funded status of the plans
Fair value of plan assets	$	3,758		$	7,105
Projected benefit obligation	7,064			19,403
Funded status of the plans	$	(3,306	)	$	(12,298	)
	December 31,
	2018			2017
Funded status by plan
ERP	$	(332	)	$	(9,084	)
SERP	(2,564		)	(2,759		)
Restoration Plan	(410		)	(455		)
	$	(3,306	)	$	(12,298	)

	December 31,
	2018			2017
Amounts reported in the consolidated balance sheets
Current liability	$	(187	)	$	(175	)
Noncurrent liability	(3,119		)	(12,123		)
Funded status of the plans	$	(3,306	)	$	(12,298	)

Amounts included in accumulated other comprehensive income (loss), related to our defined benefit pension plans follow:

	At December 31, 2018					At December 31, 2017
	Pretax		Net of Tax			Pretax		Net of Tax
Amounts reported in accumulated other comprehensive income
Unrecognized net actuarial loss	$	2,139	$	(714	)	$	8,086	$	4,919
Unrecognized prior service cost	214		(71		)	278		169
	$	2,353	$	(785	)	$	8,364	$	5,088

To the extent actuarial losses exceed the greater of 10% of the projected benefit obligation or market-related value of plan assets, the unrecognized actuarial losses will be amortized straight-line on a plan-by-plan basis, over the remaining expected future working lifetime of active participants, except for the SERP, which, after the plan freeze, is being amortized based on the remaining life expectancy of plan participants. The total amount of unrecognized prior service cost was amortized straight-line on a plan-by-plan basis.

F-29

The Davey Tree Expert Company

Notes to Consolidated Financial Statements--(Continued)

December 31, 2018

(In thousands, except share data)

P.    Defined Benefit Pension Plans (continued)

The total amortization associated with these amounts that is expected to be recognized in net periodic benefit expense for 2019 follows: 

	Year ending December 31, 2019
	Pretax		Net of Tax
Amortization of Costs Expected to be Recognized Next Year
Unrecognized net actuarial loss	$	175	$	131
Unrecognized prior service cost	64		48
	$	239	$	179

The aggregate projected benefit obligation, accumulated benefit obligation and fair value of plan assets for plans in which the fair value of plan assets is less than either the projected benefit obligation or accumulated benefit obligation follow:

	December 31,
	2018		2017
For pension plans with accumulated benefit obligations in excess of plan assets
Projected benefit obligation	$	7,064	$	19,403
Accumulated benefit obligation	7,064		19,403
Fair value of plan assets	3,758		7,105

The actuarial assumptions follow. The discount rates were used to measure the year-end benefit obligation and compute pension expense for the subsequent year.

	December 31,
	2018		2017		2016
Actuarial assumptions
Discount rate	4.35	%	3.70	%	4.20	%
Expected long-term rate of return on plan assets	2.50		2.50		5.00

Net periodic benefit expense (income) associated with the defined benefit pension plans included the following components:

	Year Ended December 31,
	2018			2017			2016
Components of pension expense (income)
Service costs--increase in benefit obligation earned	$	400		$	530		$	370
Interest cost on projected benefit obligation	718			1,002			1,243
Expected return on plan assets	(231		)	(638		)	(1,044		)
Curtailment loss	—			—			—
Settlement loss	5,499			3,849			2,346
Amortization of net actuarial loss	728			909			951
Amortization of prior service cost	64			64			—
Net pension expense of defined benefit pension plans	$	7,178		$	5,716		$	3,866

F-30

The Davey Tree Expert Company

Notes to Consolidated Financial Statements--(Continued)

December 31, 2018

(In thousands, except share data)

P. Defined Benefit Pension Plans (continued)

Investment Strategy and Risk Management for Plan Assets--Our investment strategy is to manage the plan assets in order to pay retirement benefits to plan participants while minimizing our cash contributions over the life of the plans. This is accomplished by maintaining liquidity and preserving principal through diversification in high-quality investments through the use of investment managers and mutual funds. Performance of all investment managers and mutual funds is monitored quarterly and evaluated over rolling three-to-five year periods.

In December 2017, we revised our investment policy to reallocate 100% of our plan assets into the fixed income and cash asset class from the prior target allocations of: (a) equities of a minimum 20% to a maximum of 40%; (b) fixed income and cash of a minimum 50% to a maximum of 70%; and, (c) alternative investments of a minimum of zero to a maximum of 15%. The purpose of the fixed income asset class is to provide a deflation hedge, to reduce the overall volatility of plan assets and to produce current income in support of the needs of the plan.

Fixed income assets can be invested in U.S. government and prime money market funds, U.S. Treasuries, insured certificates of deposit and U.S. investment grade corporates of at least "A" or better quality and other high-quality debt securities. Other than investments in U.S. government or government agencies, no single debt issue will be allowed to exceed 5% market value of the debt portfolio. Short-selling, securities lending, financial futures, margins, options, and derivatives are not used. Investments in nonmarketable securities, commodities, or direct ownership of real estate are prohibited.

Rate-of-return-on-assets assumptions are made based on the mix of assets according to our investment policy. Given the reallocation of plan assets into the fixed income and cash asset class, the overall expected long-term rate-of-return-on-plan assets net of investment manager fees as at December 31, 2018, was 2.50%.

Plan Assets--The fair values of our pension plan assets at December 31, 2018 by asset category, using the three-level hierarchy of fair value inputs, were as follows:

			Fair Value Measurements at December 31, 2018 Using:
Description	Total Carrying Value at December 31, 2018		Quoted prices in active markets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Asset Category
Money market funds	$	3,758			$	3,758	$	—
U.S. large-cap equities
Growth	—				—		—
Value	—				—		—
U.S. small/mid-cap equities
Growth	—				—		—
Value	—				—		—
International equities
Growth	—				—		—
Value	—				—		—
Fixed income	—				—		—
Multiclass world-allocation mutual funds	—				—		—
	$	3,758	$	—	$	3,758	$	—

F-31

The Davey Tree Expert Company

Notes to Consolidated Financial Statements--(Continued)

December 31, 2018

(In thousands, except share data)

P. Defined Benefit Pension Plans (continued)

The fair values of our pension plan assets at December 31, 2017 by asset category, using the three-level hierarchy of fair value inputs, were as follows:

			Fair Value Measurements at December 31, 2017 Using:
Description	Total Carrying Value at December 31, 2017		Quoted prices in active markets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Asset Category
Money market funds	$	897	$	—	$	897	$	—
U.S. large-cap equities
Growth	576		576		—		—
Value	542		542		—		—
U.S. small/mid-cap equities
Growth	246		246		—		—
Value	247		247		—		—
International equities
Growth	376		376		—		—
Value	366		366		—		—
Fixed income	3,070		3,070		—		—
Multiclass world-allocation mutual funds	785		785		—		—
	$	7,105	$	6,208	$	897	$	—

Within the pension plan asset categories, the Level 1 investments are publicly traded in active markets and are valued using the net asset value or closing price of the investment at the measurement date. Securities held by a money market fund are generally high quality and liquid; however, they are reflected as Level 2 because the inputs used to determine fair value are not quoted prices in an active market.

Expected Benefit Plan Contributions--It is our practice to make contributions to comply with the minimum funding requirements of ERISA. In accordance with such practice, contributions totaling $191 are required for 2019; however, we may make additional discretionary contributions.

Expected Benefit Plan Payments--The benefits, as of December 31, 2018, expected to be paid to defined-benefit plan participants in each of the next five years, and in the aggregate for the five years thereafter, follows:

	Participants Benefits
Estimated future payments
Year ending December 31, 2019	$	356
2020	379
2021	384
2022	386
2023	389
Years 2024 to 2028	1,986

Multiemployer Defined Benefit Pension Plans--In providing services to our utility services customers, we contribute to multiemployer defined benefit pension plans under the terms of collective-bargaining agreements that cover certain of our union-represented employees.

F-32

The Davey Tree Expert Company

Notes to Consolidated Financial Statements--(Continued)

December 31, 2018

(In thousands, except share data)

P. Defined Benefit Pension Plans (continued)

These plans generally provide retirement benefits to participants based on their service to contributing employers. We do not administer these multiemployer plans. In general, these plans are managed by a board of trustees with the unions appointing certain trustees and other contributing employers of the plan appointing certain members. We generally are not represented on the board of trustees.

The risks of participating in these multiemployer plans are different from single-employer plans in that: (a) assets contributed to the multiemployer plan by one employer may be used to provide benefits to employees of other participating employers; (b) if a participating employer stops contributing to the plan, the unfunded obligations of the plan may be assumed by the remaining participating employers; and, (c) if we choose to stop participating in a multiemployer plan, we may be required to pay the plan an amount based on the underfunded status of the plan, referred to as a withdrawal liability.

Our participation in the multiemployer defined benefit pension plans is summarized in the table below. The “EIN/Pension Plan Number” column provides the Employer Identification Number (“EIN”) and the three-digit plan number. The most recent Pension Protection Act of 2006 (the “PPA”) zone status is from the Form 5500, “Annual Return/Report of Employee Benefit Plan,” filed by the plan and certified by the plan's actuary. The PPA zone status describes plans that are underfunded. Among other factors, plans in the “critical” red zone are generally less than 65% funded; plans in the “endangered” yellow zone are less than 80% funded; and, plans in the “safe” green zone are at least 80% funded.

Pension Fund	EIN/Pension Plan Number	Pension Protection Act Zone Status		FIP/RP Status Pending Implemented	Davey Tree Contributions						Surcharge Imposed	Expiration Dates of Bargaining Agreement
		2018	2017		2018		2017		2016
National Electric Benefit Fund	53-0181657/001	Green	Green	No	$	768	$	785	$	712	No	Ranging from December 31, 2018 to December 31, 2022
Eighth District Electrical Pension Fund	84-6100393/001	Green	Green	No	142		102		90		No	December 26, 2020
					$	910	$	887	$	802

We were not listed in the Form 5500 for either plan as having provided more than 5% of the total contributions.

Both the National Electric Benefit Fund and the Eighth District Electrical Pension Fund are green zone status--safe--which represents at least 80% funded and does not require a “financial improvement plan” (“FIP”) or a “rehabilitation plan” (“RP”).

We are party to ten collective-bargaining agreements with the National Electric Benefit Fund, with expiration dates ranging from December 31, 2018 to December 31, 2022, and one collective-bargaining agreement with Eighth District Electrical Pension Fund which expires on December 26, 2020. Expired agreements are currently being renegotiated.

Q. Income Taxes

On December 22, 2017, the President of the United States (“U.S.”) signed into law the Tax Cuts and Jobs Act (the "Tax Reform Act"), which enacted significant changes to U.S. tax laws. Some of the provisions of the new tax law affecting corporations include, but are not limited to lowering the U.S. corporate income tax rate from 35% to 21% effective January 1, 2018, immediate expensing of certain qualified capital expenditures, implementing a territorial tax system and imposing a one-time transitional toll tax on deferred foreign earnings. In the fourth quarter 2017, the Company recorded the provisional tax effects, including a tax charge of $1,000 due to the remeasurement of deferred tax assets and liabilities and an estimated tax liability of $6,100 due to the transition toll tax on the deemed repatriation of deferred foreign earnings of non-U.S. operations. The Tax Reform Act was the main reason for the reduction of our effective tax rate for the year ended December 31, 2018.

On December 22, 2017, the Securities and Exchange Commission (“SEC”) issued Staff Accounting Bulletin 118 (“SAB 118”). This guidance allowed registrants a “measurement period”, not to exceed one year from the date of enactment, to complete their accounting for the tax effects of the Tax Reform Act. SAB 118 further directed that during the measurement

F-33

The Davey Tree Expert Company

Notes to Consolidated Financial Statements--(Continued)

December 31, 2018

(In thousands, except share data)

Q. Income Taxes (continued)

period, registrants who were able to make reasonable estimates for the tax effects of the Tax Reform Act should include those amounts in their financial statements as “provisional” amounts. Registrants were to reflect adjustments over subsequent periods as they were able to refine their estimates and complete their accounting for the tax effects of the Tax Reform Act. The provisional amounts computed by the Company were finalized when the U.S. corporate income tax return for 2017 was filed in September 2018. The change for the provisional amount to the final amount was immaterial.

Other provisions of the Tax Reform Act include a new minimum tax on certain foreign earnings (the Global Intangibles Low-taxed Income, or “GILTI”), a new tax on certain payments to foreign related parties (the Base Erosion Anti-Avoidance tax, or “BEAT”), a new incentive for Foreign-derived Intangibles Income (“FDII”), repealing the deduction for domestic production activities, changes to the limitation on the deductibility of certain executive compensation, and new limitations on the deductibility of interest expense. Generally, the tax effect of these other provisions began for the Company in the year ended December 31, 2018 with no material effect.

Income before income taxes was attributable to the following sources:

	Year Ended December 31,
	2018		2017			2016
United States	$	37,377	$	38,800		$	35,867
Canada	119		(806		)	1,377
Total	$	37,496	$	37,994		$	37,244

The provision for income taxes follows:

	Year Ended December 31,
	2018		2017			2016
Currently payable:
Federal	$	3,165	$	9,914		$	12,216
State	2,290		2,469			2,286
Canadian	50		(262		)	398
Total current	5,505		12,121			14,900
Deferred taxes	4,014		3,753			60
Total taxes on income	$	9,519	$	15,874		$	14,960

A reconciliation of the expected statutory U.S. federal rate to our actual effective income tax rate follows:

	Year Ended December 31,
	2018		2017		2016
Statutory U.S. federal tax rate	21.0	%	35.0	%	35.0	%
State income taxes, net of federal benefit	5.7		4.9		4.0
Effect of Canadian income taxes	.1		.3		(.2	)
Nondeductible expenses	2.1		2.2		2.2
ESOP dividend deduction	(.3	)	(.6	)	(.7	)
Uncertain tax adjustments and audit settlement	(3.8	)	(.2	)	.2
Income tax reform - deferred rate remeasurement	—		2.5		—
All other, net	.6		(2.3	)	(.3	)
Effective income tax rate	25.4	%	41.8	%	40.2	%

F-34

The Davey Tree Expert Company

Notes to Consolidated Financial Statements--(Continued)

December 31, 2018

(In thousands, except share data)

Q. Income Taxes (continued)

Deferred income taxes reflect the tax effects of temporary differences between the carrying amount of assets and liabilities for financial reporting purposes and the amounts used for income tax purposes.  A valuation allowance is recorded when it is more-likely-than-not that an income tax benefit will not be realized.

Significant components of our noncurrent net deferred tax assets and liabilities at December 31, were as follows:

	December 31,
	2018		2017
Deferred tax assets:
Self-insurance accruals	$	17,579	$	14,186
Accrued compensated absences	1,565		1,747
Accrued expenses and other liabilities	742		798
Accrued stock compensation	1,772		1,571
Defined benefit pension plans	442		2,289
Foreign tax credit carryforward	2,117		605
Other future deductible amounts, net	3,271		3,661
	27,488		24,857
Less deferred tax asset valuation allowance	1,683		—
	25,805		24,857
Deferred tax liabilities:
Intangibles	1,178		969
Prepaid expenses	3,160		2,300
Property and equipment	20,894		16,773
	25,232		20,042
Net deferred tax assets--noncurrent	$	573	$	4,815

We treat all of our Canadian subsidiary earnings through December 31, 2018 as permanently reinvested and have not provided any U.S. federal or state tax thereon. As of December 31, 2018, approximately $28,856 of undistributed earnings attributable to our Canadian operations was considered to be indefinitely invested. Presently, our intention is to reinvest the earnings permanently.

If, in the future, these earnings are distributed to the U.S. in the form of dividends or otherwise, or if the Company determines such earnings will be remitted in the foreseeable future, the Company would be subject to Canadian withholding taxes. It is not practicable to estimate the amount of taxes that would be payable upon remittance of these earnings given the various tax planning alternatives that we could employ should we decide to repatriate those earnings.

As of December 31, 2018, we recorded a valuation allowance on foreign tax credit carryforwards that arose due to the transition toll tax on the deemed repatriation of deferred foreign earnings of non-U.S. operations due to the Tax Reform Act and the remaining carryforward credits that were generated in 2010. Management presently believes that it is more-likely-than-not that the deferred tax asset, related to the foreign tax credits that expire in 2020 and 2027, will not be fully realized. The criteria considered in making the determination included the ability to utilize tax-planning strategies, historical and projected operating results, and the period of time over which the foreign tax credit can be utilized.

The amount of income taxes that we pay is subject to audit by U.S. federal, state, local and Canadian tax authorities, which may result in proposed assessments. Our estimate for the potential outcome for any uncertain tax issue is highly judgmental. Uncertain tax positions are recognized only if they are more-likely-than-not to be upheld during examination based on their technical merits. The measurement of the uncertain tax position is based on the largest benefit amount that is more-likely-than-not (determined on a cumulative probability basis) to be realized upon settlement of the matter. If payment of these

F-35

The Davey Tree Expert Company

Notes to Consolidated Financial Statements--(Continued)

December 31, 2018

(In thousands, except share data)

Q. Income Taxes (continued)

amounts ultimately proves to be unnecessary, the reversal of the liabilities would result in tax benefits being recognized in the period when we determine the liabilities are no longer necessary. If the estimate of tax liabilities proves to be less than the ultimate settlement, a further charge to expense may result.

The balance of unrecognized benefits and the amount of related interest and penalties at December 31, were as follows:

	December 31,
	2018		2017
Unrecognized tax benefits	$	1,325	$	2,581
Portion, if recognized, would reduce tax expense and effective tax rate	599		1,948
Accrued interest on unrecognized tax benefits	35		128

We recognize interest accrued related to unrecognized tax benefits in income tax expense. Penalties, if incurred, would be recognized as a component of income tax expense.

The Company is routinely under audit by U.S. federal, state, local and Canadian authorities in the area of income tax. These audits include questioning the timing and the amount of income and deductions and the allocation of income and deductions among various tax jurisdictions. During 2018, we decreased our unrecognized tax benefits by $1,500 as a result of the proposed settlement of the IRS audits of our 2015 and 2016 U.S. income tax returns. The audit was closed in the third quarter 2018. With the exception of U.S. state jurisdictions and Canada, the Company is no longer subject to examination by tax authorities for the years through 2016. As of December 31, 2018, we believe it is reasonably possible that the total amount of unrecognized tax benefits will not significantly increase or decrease.

The changes in our unrecognized tax benefits are summarized in the table below:

	Year Ended December 31,
	2018			2017			2016
Balance, beginning of year	$	2,581		$	2,532		$	2,557
Additions based on tax positions related to the current year	224			650			402
Additions for tax positions of prior years	20			(21		)	51
Reductions for tax positions of prior years	(1,500		)	—			(39		)
Lapses in statutes of limitations	—			(580		)	(439		)
Balance, end of year	$	1,325		$	2,581		$	2,532

F-36

The Davey Tree Expert Company

Notes to Consolidated Financial Statements--(Continued)

December 31, 2018

(In thousands, except share data)

R. Earnings Per Share Information

Earnings per share is computed as follows (prior periods have been adjusted for the two-for-one stock split of our common shares effective June 1, 2017):

	Year Ended December 31,
	2018		2017		2016
Income available to common shareholders:
Net income	$	27,977	$	22,120	$	22,284
Weighted-average shares:
Basic:
Outstanding	23,698,478		24,793,086		25,378,600
Partially-paid share subscriptions	690,260		764,382		833,440
Basic weighted-average shares	24,388,738		25,557,468		26,212,040
Diluted:
Basic from above	24,388,738		25,557,468		26,212,040
Incremental shares from assumed:
Exercise of stock subscription purchase rights	141,287		146,453		142,746
Exercise of stock options and awards	950,593		993,141		892,568
Diluted weighted-average shares	25,480,618		26,697,062		27,247,354
Share data:
Earnings per share--basic	$	1.15	$	.87	$	.85
Earnings per share--diluted	$	1.10	$	.83	$	.82

S. Operations by Business Segment and Geographic Information

We provide a wide range of arboricultural, horticultural, environmental and consulting services to residential, utility, commercial and government entities throughout the United States and Canada. We have two reportable operating segments organized by type or class of customer: Residential and Commercial, and Utility.

Residential and Commercial--Residential and Commercial provides services to our residential and commercial customers including: the treatment, preservation, maintenance, removal and planting of trees, shrubs and other plant life; the practice of landscaping, grounds maintenance, tree surgery, tree feeding and tree spraying; the application of fertilizer, herbicides and insecticides; and, natural resource management and consulting, forestry research and development, and environmental planning.

Utility--Utility is principally engaged in providing services to our utility customers--investor-owned, municipal utilities, and rural electric cooperatives--including: the practice of line-clearing and vegetation management around power lines, rights-of-way and chemical brush control; and, natural resource management and consulting, forestry research and development and environmental planning.

All other operating activities, including research, technical support and laboratory diagnostic facilities, are included in “All Other.”

Measurement of Segment Profit and Loss and Segment Assets--We evaluate performance and allocate resources based primarily on operating income and also actively manage business unit operating assets. The accounting policies of the reportable segments are the same as those described in the summary of significant accounting policies except that (a) we compute and recognize depreciation expense for our segments only by the straight-line method and (b) state income taxes are allocated to the segments. Corporate expenses are substantially allocated among the operating segments, but the nature of expenses allocated may differ from year-to-year. There are no intersegment revenues.

F-37

The Davey Tree Expert Company

Notes to Consolidated Financial Statements--(Continued)

December 31, 2018

(In thousands, except share data)

S. Operations by Business Segment and Geographic Information (continued)

Segment assets are those generated or directly used by each segment, and include accounts receivable, operating supplies, and property and equipment.

Information on reportable segments and reconciliation to the consolidated financial statements follows: 

	Utility Services		Residential Commercial Services		All Other			Reconciling  Adjustments				Consolidated
Fiscal Year 2018
Revenues	$	537,484	$	486,005	$	1,302		$	—			$	1,024,791
Income (loss) from operations	32,370		47,812		(19,816		)	(4,676		)	(a)	55,690
Interest expense								(7,039		)		(7,039		)
Interest income								350				350
Other income (expense), net								(11,505		)		(11,505		)
Income before income taxes												$	37,496
Depreciation	$	29,526	$	21,720	$	—		$	3,668		(b)	$	54,914
Amortization	211		1,842		—			2				2,055
Capital expenditures	32,148		22,256		—			6,006				60,410
Segment assets, total	239,426		208,369		—			78,828			(c)	526,623
Fiscal Year 2017
Revenues	$	466,727	$	446,028	$	3,203		$	—			$	915,958
Income (loss) from operations	18,223		41,158		(2,634		)	(4,556		)	(a)	52,191
Interest expense								(4,886		)		(4,886		)
Interest income								292				292
Other income (expense), net								(9,603		)		(9,603		)
Income before income taxes												$	37,994
Depreciation	$	27,928	$	19,384	$	—		$	3,390		(b)	$	50,702
Amortization	122		2,240		—			22				2,384
Capital expenditures	26,910		23,199		—			6,991				57,100
Segment assets, total	189,662		197,698		—			85,775			(c)	473,135
Fiscal Year 2016
Revenues	$	433,379	$	410,878	$	1,421		$	—			$	845,678
Income (loss) from operations	19,256		36,640		(4,318		)	(2,711		)	(a)	48,867
Interest expense								(4,393		)		(4,393		)
Interest income								255				255
Other income (expense), net								(7,485		)		(7,485		)
Income before income taxes												$	37,244
Depreciation	$	26,855	$	17,198	$	—		$	3,231		(b)	$	47,284
Amortization	135		2,136		—			35				2,306
Capital expenditures	28,660		21,819		—			6,167				56,646
Segment assets, total	171,220		166,858		—			85,861			(c)	423,939

F-38

The Davey Tree Expert Company

Notes to Consolidated Financial Statements--(Continued)

December 31, 2018

(In thousands, except share data)

S. Operations by Business Segment and Geographic Information (continued)

Reconciling adjustments from segment reporting to consolidated external financial reporting include unallocated corporate items:

(a) Reconciling adjustments from segment reporting to consolidated external financial reporting include reclassification of depreciation expense and allocation of corporate expenses.

(b) Adjustments to declining-balance method depreciation expense from straight-line method and depreciation and amortization of corporate assets.

(c) Corporate assets include cash, prepaid expenses, corporate facilities, enterprise-wide information systems and other nonoperating assets.

Geographic Information--The following presents revenues and long-lived assets by geographic territory:

	Year Ended December 31,
	2018		2017		2016
Revenues
United States	$	949,317	$	847,540	$	775,870
Canada	75,474		68,418		69,808
	$	1,024,791	$	915,958	$	845,678
	December 31,
	2018		2017		2016
Long-lived assets, net
United States	$	251,181	$	242,118	$	224,727
Canada	20,374		21,893		20,439
	$	271,555	$	264,011	$	245,166

T. Revenue Recognition

We account for revenue in accordance with ASC Topic 606, Revenue from Contracts with Customers, which we adopted on January 1, 2018, using the modified retrospective method. See Note C for further discussion of the adoption, including the impact on our 2018 financial statements.

Nature of Performance Obligations and Significant Judgments

At contract inception, the Company assesses the goods and services promised in its contracts with customers and identifies a performance obligation for each promised good or service (or bundle of goods and services) that is distinct. To identify the performance obligations, the Company considers all of the goods or services promised in the contract regardless of whether they are explicitly stated or are implied by customary business practices. A description of our performance obligations is included below.

• Residential and Commercial Services - We provide a wide array of services for our residential and commercial customers including the treatment, preservation, maintenance, removal and planting of trees, shrubs and other plant life, landscaping, grounds maintenance, the application of fertilizer, herbicides and insecticides, natural resource management and consulting, forestry research and development, and environmental planning. A contract with a customer may include only one of these services, all of these services, or a combination of these services. For contracts in which we provide all, or a combination of, these services, we believe that the nature of our promise is to provide an integrated property management service for our customer. In these contracts, the customer has effectively outsourced the care and maintenance of its property grounds to us during the duration of the contract as we are responsible for providing a continuous delivery of outsourced maintenance activities over the contract term. As such,

F-39

The Davey Tree Expert Company

Notes to Consolidated Financial Statements--(Continued)

December 31, 2018

(In thousands, except share data)

T. Revenue Recognition (continued)

for contracts that contain a combination of services, we have concluded that we have a single performance obligation, which is accounted for as a series of distinct services.

• Utility Services - We provide a suite of vegetation management or arboricultural services to our utility customers (investor-owned, municipal utilities, and rural electric cooperatives) including the practice of line-clearing and vegetation management around power lines and rights-of-way, chemical brush control, natural resource management and consulting, forestry research and development, and environmental planning. A contract with a customer may include only one of these services, all of these services, or a combination of these services. For contracts in which we provide all, or a combination of, these services, we believe that the nature of our promise is to provide an integrated overall vegetation management service, rather than the performance of discrete activities or services for the customer. As such, for contracts that contain a combination of services, we have concluded that we have a single performance obligation, which is accounted for as a series of distinct services.

Our contracts with our customers generally originate upon the completion of a quote for services for residential and commercial customers or the receipt of a purchase order (or similar work order) for utility customers. In some cases, our contracts are governed by master services agreements, in which case our contract under ASC 606 consists of the combination of the master services agreement and the quote/purchase order. Many of our contracts have a stated duration of one year or less or contain termination clauses that allow the customer to cancel the contract after a specified notice period, which is typically less than 90 days. Due to the fact that many of our arrangements allow the customer to terminate for convenience, the duration of the contract for revenue recognition purposes generally does not extend beyond the services that we have actually transferred. As a result, many of our contracts are, in effect, day-to-day or month-to-month contracts.

Revenue from our residential, commercial, and utility performance obligations is recognized over time as the customer simultaneously receives and consumes the benefits of our services as we perform them. Many of our contracts compensate us based on an agreed upon price for each increment of service provided to the customer. Therefore, revenue is mainly recognized as each increment of service is provided to the customer at the amount that we are contractually entitled to. For contracts that contain a fixed price, we generally use a units-delivered based output method to measure progress. Revenue from our consulting services is also recognized over time and we use a cost-based input method to measure progress. Payment for our services is generally due within 30 days of such services being provided to the customer.

The transaction price for our contracts is determined upon establishment of the contract that contains the final terms of the sale, including the description, quantity, and price of each service purchased. Certain of our contracts contain variable consideration, including index-based pricing, chargebacks, and prompt payment discounts. The Company estimates variable consideration and performs a constraint analysis for these contracts on the basis of both historical information and current trends. However, these types of variable consideration do not have a material effect on the Company’s revenue, either individually or in the aggregate. In addition, although our contracts generally include fixed pricing for each increment of service, the ultimate quantity of services that will be required in order to fulfill our performance obligations is unknown at contract inception. Therefore, our total transaction price ultimately varies based on the quantity and types of services provided to our customer. However, this type of variable consideration is allocated entirely to the distinct services within the series to which it relates.

F-40

The Davey Tree Expert Company

Notes to Consolidated Financial Statements--(Continued)

December 31, 2018

(In thousands, except share data)

T. Revenue Recognition (continued)

Disaggregation of Revenue

The following tables disaggregate our revenue for the year endedDecember 31, 2018 by major sources:

Year Ended December 31, 2018	Utility		Residential and Commercial		All Other			Consolidated
Type of service:
Tree and plant care	$	394,481	$	290,940	$	(1,520	)	$	683,901
Grounds maintenance	—		117,498		—			117,498
Storm damage services	13,864		9,447		—			23,311
Consulting and other	129,139		68,120		2,822			200,081
Total revenues	$	537,484	$	486,005	$	1,302		$	1,024,791
Geography:
United States	$	499,242	$	448,773	$	1,302		$	949,317
Canada	38,242		37,232		—			75,474
Total revenues	$	537,484	$	486,005	$	1,302		$	1,024,791

Contract Balances

Our contract liabilities consist of advance payments, billings in excess of costs incurred and deferred revenue. The Company has recognized $1,443 of revenue for the twelve months ended months ended December 31, 2018 that was included in the contract liability balance at December 31, 2017. Net contract liabilities consisted of the following:

	December 31, 2018		December 31, 2017
Contract liabilities - current	$	2,907	$	2,072
Contract liabilities - noncurrent	2,287		2,020
Net contract liabilities	$	5,194	$	4,092

Practical Expedients & Accounting Policy Elections

• Remaining performance obligations - The Company’s contracts for service revenue have an original duration of one year or less. Therefore, because of the short duration of these contracts, the Company has not disclosed the transaction price for the future performance obligations as of the end of each reporting period or when the Company expects to recognize this revenue.

• Incremental costs of obtaining a contract - The Company’s contracts for service revenue have an original duration of one year or less. Therefore, the Company has elected to expense these costs as incurred.

• Right to invoice - For the Company’s contracts in which it has the right to invoice the customer on the basis of actual work performed (i.e., output), the Company has elected to measure the satisfaction of performance obligation(s) on the basis of actual work performed, as the invoiced amount directly corresponds to the value transferred to the customer.

• Sales taxes - The Company has, as an accounting policy election, decided to exclude from the measurement of the transaction price all sales taxes assessed by a governmental authority.

• Significant financing component - The Company’s contracts do not allow for payment terms which exceed one year, and thus need not account for the effects of a significant financing component.

F-41

The Davey Tree Expert Company

Notes to Consolidated Financial Statements--(Continued)

December 31, 2018

(In thousands, except share data)

U. Fair Value Measurements and Financial Instruments

Financial Accounting Standards Board Accounting Standard Codification 820, “Fair Value of Measurements and Disclosures (“Topic 820”)” defines fair value based on the price that would be received to sell an asset or the exit price that would be paid to transfer a liability in an orderly transaction between market participants at the measurement date. Market participants are defined as buyers or sellers in the principal or most advantageous market for the asset or liability that are independent of the reporting entity, knowledgeable and able and willing to transact for the asset or liability.

Valuation Hierarchy--Topic 820 establishes a fair value hierarchy that prioritizes observable and unobservable inputs used to measure fair value. The hierarchy prioritizes the inputs into three broad levels:

Level 1 inputs are quoted prices in active markets for identical assets or liabilities that the entity has the ability to access.

Level 2 inputs are observable inputs other than prices included in Level 1, such as quoted prices for similar assets and liabilities in active markets; quoted prices for identical or similar assets and liabilities in markets that are not active; or other inputs that are observable or can be corroborated with observable market data.

Level 3 inputs are unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets and liabilities. This includes certain pricing models, discounted cash flow methodologies and similar techniques that use significant unobservable inputs.

Our assets and liabilities measured at fair value on a recurring basis at December 31, 2018 and December 31, 2017, were as follows:

			Fair Value Measurements at December 31, 2018 Using:
	Total Carrying Value at		Quoted prices in active markets		Significant other observable inputs		Significant unobservable inputs
Description	December 31, 2018		(Level 1)		(Level 2)		(Level 3)
Assets:
Assets invested for self-insurance, classified as other assets, noncurrent	$	15,379	$	15,379	$	—	$	—
Defined benefit pension plan assets	3,758		—		3,758		—
Liabilities:
Deferred compensation	$	2,459	$	—	$	2,459	$	—

F-42

The Davey Tree Expert Company

Notes to Consolidated Financial Statements--(Continued)

December 31, 2018

(In thousands, except share data)

U. Fair Value Measurements and Financial Instruments (continued)

			Fair Value Measurements at December 31, 2017 Using:
	Total Carrying Value at		Quoted prices in active markets		Significant other observable inputs		Significant unobservable inputs
Description	December 31, 2017		(Level 1)		(Level 2)		(Level 3)
Assets:
Assets invested for self-insurance, classified as other assets, noncurrent	$	19,422	$	19,422	$	—	$	—
Defined benefit pension plan assets	7,105		6,208		897		—
Liabilities:
Deferred compensation	$	2,146	$	—	$	2,146	$	—

The estimated fair value of the deferred compensation--classified as Level 2--is based on the value of the Company's common shares, determined by independent valuation.

Fair Value of Financial Instruments--The fair values of our current financial assets and current liabilities, including cash, accounts receivable, accounts payable, and accrued expenses among others, approximate their reported carrying values because of their short-term nature. The assets invested for self-insurance are certificates of deposit and money market funds--classified as Level 1--based on quoted market prices of the identical underlying securities in active markets. Financial instruments classified as noncurrent liabilities and their carrying values and fair values were as follows:

	December 31, 2018				December 31, 2017
	Carrying Value		Fair Value		Carrying Value		Fair Value
Revolving credit facility, noncurrent	$	93,500	$	93,500	$	100,000	$	100,000
Senior unsecured notes	56,000		56,002		12,000		12,389
Term loans, noncurrent	6,662		6,868		7,935		10,038
Total	$	156,162	$	156,370	$	119,935	$	122,427

The carrying value of our revolving credit facility approximates fair value--classified as Level 2--as the interest rates on the amounts outstanding are variable. The fair value of our senior unsecured notes and term loans--classified as Level 2--is determined based on expected future weighted-average interest rates with the same remaining maturities.

Market Risk--In the normal course of business, we are exposed to market risk related to changes in foreign currency exchange rates, changes in interest rates and changes in fuel prices. We do not hold or issue derivative financial instruments for trading or speculative purposes. In prior years, we have used derivative financial instruments to manage risk, in part, associated with changes in interest rates and changes in fuel prices. Presently, we are not engaged in any hedging or derivative activities.

V. Commitments and Contingencies

Letters of Credit

At December 31, 2018, we were contingently liable to our principal banks in the amount of $72,565 for letters of credit outstanding primarily related to insurance coverage.

F-43

The Davey Tree Expert Company

Notes to Consolidated Financial Statements--(Continued)

December 31, 2018

(In thousands, except share data)

V. Commitments and Contingencies (continued)

Surety Bonds

In certain circumstances, we have performance obligations that are supported by surety bonds in connection with our contractual commitments.

Litigation

We are party to a number of lawsuits, threatened lawsuits and other claims arising out of the normal course of business. We assess our liabilities and contingencies in connection with outstanding legal proceedings utilizing the latest information available. Where it is probable that we will incur a loss and the amount of the loss can be reasonably estimated, we record a liability in our consolidated financial statements. These legal accruals may be increased or decreased to reflect any relevant developments on a quarterly basis. Where a loss is not probable or the amount of the loss is not estimable, we do not record an accrual, consistent with applicable accounting guidance. Based on information currently available to us, advice of counsel, and available insurance coverage, we believe that our established accruals are adequate and the liabilities arising from the legal proceedings will not have a material adverse effect on our consolidated financial condition. We note, however, that in light of the inherent uncertainty in legal proceedings there can be no assurance that the ultimate resolution of a matter will not exceed established accruals. As a result, the outcome of a particular matter or a combination of matters may be material to our results of operations for a particular period, depending upon the size of the loss or our income for that particular period.

In November 2017, a suit was filed in Savannah, Georgia state court (“State Court”) against Davey Tree, its subsidiary, Wolf Tree, Inc., a former Davey employee, two Wolf employees, and a former Wolf employee alleging various acts of negligence and seeking compensatory and punitive damages for wrongful death and assault and battery of the plaintiff’s husband, a Wolf Tree employee, who was shot and killed in August 2017. The case was mediated unsuccessfully in December 2018 and was set for trial on January 22, 2019.

In July 2018, a related survival action was filed by the deceased’s estate against Davey Tree, its subsidiary, Wolf Tree, Inc., and four current and former employees in Savannah, Georgia, which arises out of the same allegations, seeks compensatory and punitive damages and also includes three RICO claims under Georgia law seeking compensatory damages, treble damages, and punitive damages. The 2018 case was removed to the United States District Court for the Southern District of Georgia, Savannah Division, on August 2, 2018 (“Federal Court”). The Company filed a motion to dismiss the RICO claims. Plaintiffs filed a motion to remand the case to state court, which the Company has opposed. The motions are pending.

On December 6, 2018, a former Wolf Tree employee pled guilty to conspiracy to conceal, harbor, and shield illegal aliens. On December 21, 2018, the United States federal prosecutors filed a motion to stay both actions on the grounds that on December 13, 2018, an indictment was issued charging two former Wolf employees and one other individual with various crimes, including conspiracy to murder the deceased. On December 17, 2018, the United States Attorney’s Office for the Southern District of Georgia informed the Company and Wolf Tree that they are also under investigation for potential violations of immigration and other laws relating to the subject matter of the ongoing criminal investigation referenced above. The Company and Wolf Tree are cooperating with the investigation.

On December 28, 2018, the State Court granted the United States’ motion to stay but indicated that it would nonetheless consider certain pending matters, including: (1) Plaintiff and a co-defendant’s motions that Davey Tree be forced to produce privileged documents and testimony, which had been submitted to a Special Master for recommendation; and (2) the Defendants’ motions for summary judgment. On January 11, 2019, the Special Master issued his recommendation that both Plaintiff and the co-defendant’s motions to force Davey to disclose privileged information be denied. The State Court judge has not yet moved on the recommendation. On January 29, 2019, the State Court heard oral argument on Defendants’ motions for summary judgment, and the motions remain pending.

On January 28, 2019, the Federal Court also granted the United States’ motion to stay. On January 29, 2019, the State Court ordered the parties to return to mediation; the case is now set for mediation on April 17, 2019.

In both cases, the Company has denied all liability and is vigorously defending the action. It also has retained separate counsel for some of the individual defendants, each of whom has denied all liability and also is vigorously defending the action.

F-44

The Davey Tree Expert Company

Notes to Consolidated Financial Statements--(Continued)

December 31, 2018

(In thousands, except share data)

W. Quarterly Results of Operations (Unaudited)

The following is a summary of the results of operations for each quarter of 2018 and 2017. We have given retroactive consideration to the two-for-one stock split of our common shares effective June 1, 2017.

	Fiscal 2018, Three Months Ended
	Mar 31			Jun 30		Sep 29		Dec 31
Revenues	$	208,651		$	270,649	$	265,318	$	280,173
Gross profit (revenues less costs and expenses, operating)	64,028			102,967		94,193		98,215
Income (loss) from operations	(5,666		)	29,800		14,585		16,971
Net income (loss)	(6,627		)	21,714		8,384		4,506
Net income (loss) per share -- Basic	$	(.26	)	$	.94	$	.35	$	.12
Net income (loss) per share -- Diluted	$	(.26	)	$	.89	$	.34	$	.13
ESOT valuation per share	$	19.10		$	19.70	$	19.70	$	21.10

	Fiscal 2017, Three Months Ended
	Apr 1			Jul 1		Sep 30		Dec 31
Revenues	$	192,813		$	245,037	$	249,588	$	228,520
Gross profit (revenues less costs and expenses, operating)	59,154			93,512		91,973		83,986
Income (loss) from operations	(3,995		)	25,659		19,049		11,478
Net income (loss)	(3,887		)	14,223		10,237		1,547
Net income (loss) per share -- Basic	$	(.15	)	$	.57	$	.41	$	.04
Net income (loss) per share -- Diluted	$	(.15	)	$	.55	$	.39	$	.04
ESOT valuation per share	$	17.60		$	18.30	$	18.30	$	19.10
Fourth quarters of 2018 and 2017 include adjustments to casualty insurance expense that had the effect of decreasing gross profit in 2018 by $7,324 and increasing gross profit in 2017 by $2,735.

F-45

EX-10.16

Exhibit 10.16

RECEIVABLES FINANCING AGREEMENT AMENDMENT NO. 4

This Receivables Financing Agreement Amendment No. 4 (this “Amendment”), dated as of August 23, 2018, among DAVEY RECEIVABLES LLC, an Ohio limited liability company, as Borrower (together with its successors and assigns, the “Borrower”); THE DAVEY TREE EXPERT COMPANY, an Ohio corporation, in its individual capacity (“Davey Tree”) and as initial Servicer (in such capacity, together with its successors and assigns in such capacity, the “Servicer”); PNC BANK, NATIONAL ASSOCIATION, as LC Bank (in such capacity, together with its successors and assigns in such capacity, the “LC Bank”); and PNC BANK, NATIONAL ASSOCIATION (“PNC”), as Administrative Agent (in such capacity together with its successors and assigns in such capacity, the “Administrative Agent”).

WI TNE SSETH:

WHEREAS, the Borrower, the Servicer, the LC Bank, and the Administrative Agent are party to that certain Receivables Financing Agreement dated as of May 9, 2016 (as amended prior to the date hereof, the “Financing Agreement”).

WHEREAS, the Borrower, the Servicer, the LC Bank, and the Administrative Agent hereby agree to make certain amendments to the Financing Agreement pursuant to the terms and conditions set forth herein.

NOW, THEREFORE, in consideration of the mutual agreements herein contained and other good and valuable consideration, receipt and sufficiency of which are hereby acknowledged by the parties, the Borrower, the Servicer, the LC Bank, and the Administrative Agent hereto agree as follows:

SECTION 1. DEFINITIONS. Capitalized terms not otherwise defined herein shall have the meanings given to them in the Financing Agreement.

SECTION 2. AGGREGATE COMMITMENT INCREASE. The Borrower hereby requests that the Aggregate Facility Limit Increase become effective on the date on which the conditions to this Amendment are satisfied (the “Aggregate Facility Limit Increase Date”), and after giving effect to such requested Aggregate Facility Limit Increase, the Commitment of the LC Bank shall be $70,000,000.

The requested Aggregate Facility Limit Increase shall be effective on the Aggregate Facility Limit Increase Date. On the Aggregate Facility Limit Increase Date, the Borrower hereby agrees to pay to the LC Bank a fee equal to the amount set forth in the Fee Letter dated as of the date hereof.

SECTION 3. AMENDMENTS.

(a) Schedule II of the Financing Agreement is hereby amended and restated in its entirety and as so amended and restated shall read as set forth on Schedule II attached hereto.

(b) Schedule IV of the Financing Agreement is hereby amended and restated in its entirety and as so amended and restated shall read as set forth on Schedule IV attached hereto.

SECTION 4. CONSENT REGARDING RECEIVABLES PURCHASE AGREEMENT. Each of the Borrower, Davey Tree, in its capacity as an Originator and the Administrative Agent hereby consent, as of the date hereof, to the amendment and restatement of Exhibit E to the Receivables Purchase Agreement in the form of Exhibit E attached hereto.

SECTION 5. REPRESENTATIONS OF THE BORROWER AND THE SERVICER. Each of the Borrower and the Servicer hereby represent and warrant to the parties hereto that as of the date hereof each of the representations and warranties contained in Article VII of the Financing Agreement and any other Transaction Documents to which it is a party are true and correct as of the date hereof and after giving effect to this Amendment (except to the extent that such representations and warranties expressly refer to an earlier date, in which case they are true and correct as of such earlier date).

SECTION 6. CONDITIONS PRECEDENT. This Amendment and the Aggregate Facility Limit Increase shall become effective and be deemed effective as of the date first written above upon the satisfaction of the following conditions precedent:

(a) the Administrative Agent shall have received a fully executed counterpart of this Amendment;

(b) the Administrative Agent shall have received a fully executed counterpart of that certain Fee Letter dated as of the date hereof, and all fees due thereunder;

(c) all expenses referred to in Section 3.11 of the Financing Agreement shall have been paid to the extent invoiced;

(d) each representation and warranty of the Borrower and the Servicer contained herein or in any other Transaction Document (after giving effect to this Amendment) shall be true and correct (except to the extent that such representations and warranties expressly refer to an earlier date, in which case they are true and correct as of such earlier date); and

(f) no Unmatured Event of Default or Event of Default shall have occurred and be continuing.

SECTION 7. POST-CLOSING COVENANT. Within 30 days of the date hereof (as such date may be extended by the Administrative Agent in its sole discretion), the Borrower shall have delivered to the Administrative Agent fully executed counterparts of that certain Deposit Account Control Agreement with Wells Fargo Bank, National Association, as depositary bank, in form and substance satisfactory to the Administrative Agent.

SECTION 8. COUNTERPARTS. This Amendment may be executed by the parties in separate counterparts, each of which when so executed and delivered shall be an original, but all such counterparts shall together constitute but one and the same instrument.

SECTION 9. SEVERABILITY. Any provision of this Amendment which is prohibited or unenforceable in any jurisdiction shall, as to such jurisdiction, be ineffective to the extent of such prohibition or unenforceability without invalidating the remaining provisions, and any such prohibition or unenforceability in any jurisdiction shall not invalidate or render unenforceable such provision in any other jurisdiction.

SECTION 10. GOVERNING LAW AND JURISDICTION. The provisions of the Financing Agreement with respect to governing law, jurisdiction, and agent for service of process are incorporated in this Amendment by reference as if such provisions were set forth herein.

SECTION 11. MISCELLANEOUS. For the avoidance of doubt, this Amendment shall constitute a Transaction Document.

[Signatures appear on following page.]

IN WITNESS WHEREOF, the parties hereto have each caused this Amendment to be duly executed by their respective duly authorized officers as of the day and year first above written.

DAVEY RECEIVABLES LLC
By:	/s/ Christopher J. Bast
	Name:	Christopher J. Bast
	Title:	Treasurer
THE DAVEY TREE EXPERT COMPANY,
as the Servicer and an Originator
By:	/s/ Christopher J. Bast
	Name:	Christopher J. Bast
	Title:	Treasurer

PNC BANK, NATIONAL ASSOCIATION
as Administrative Agent
By:	/s/ Michael Brown
	Name:	Michael Brown
	Title:	Senior Vice President
PNC BANK, NATIONAL ASSOCIATION,
as LC Bank
By:	/s/ Michael Brown
	Name:	Michael Brown
	Title:	Senior Vice President

SCHEDULE II

LOCK-BOXES, COLLECTION ACCOUNTS AND COLLECTION ACCOUNT BANKS

LOCKBOXES

KeyBank National Association

KeyBank National Association

COLLECTION ACCOUNT

KeyBank National Association

Wells Fargo Bank, National Association

SCHEDULE IV

EXCLUDED RECEIVABLES

Any Receivable originated by Davey Resource Group, Inc., an Ohio corporation.¹ 

¹  The Administrative Agent shall receive an opinion regarding true sale and non-consolidation matters with respect to Davey Resource Group, Inc. prior to any of its Receivables being included as a “Receivable” under the Transaction Documents.

EXHIBIT E

EXCLUDED RECEIVABLES

None.

EX-10.17

EXHIBIT 10.17

EXECUTION VERSION

RECEIVABLES FINANCING AGREEMENT AMENDMENT NO. 5

This Receivables Financing Agreement Amendment No. 5 (this “Amendment”), dated as of January 24, 2019, among DAVEY RECEIVABLES LLC, an Ohio limited liability company, as Borrower (together with its successors and assigns, the “Borrower”); THE DAVEY TREE EXPERT COMPANY, an Ohio corporation, in its individual capacity (“Davey Tree”) and as initial Servicer (in such capacity, together with its successors and assigns in such capacity, the “Servicer”); PNC BANK, NATIONAL ASSOCIATION, as LC Bank (in such capacity, together with its successors and assigns in such capacity, the “LC Bank”); and PNC BANK, NATIONAL ASSOCIATION (“PNC”), as Administrative Agent (in such capacity together with its successors and assigns in such capacity, the “Administrative Agent”).

WI TNESSETH:

WHEREAS, the Borrower, the Servicer, the LC Bank, and the Administrative Agent are party to that certain Receivables Financing Agreement dated as of May 9, 2016 (as amended prior to the date hereof, the “Financing Agreement”).

WHEREAS, the Borrower, the Servicer, the LC Bank, and the Administrative Agent hereby agree to make certain amendments to the Financing Agreement pursuant to the terms and conditions set forth herein.

NOW, THEREFORE, in consideration of the mutual agreements herein contained and other good and valuable consideration, receipt and sufficiency of which are hereby acknowledged by the parties, the Borrower, the Servicer, the LC Bank, and the Administrative Agent hereto agree as follows:

SECTION 1.    DEFINITIONS. Capitalized terms not otherwise defined herein shall have the meanings given to them in the Financing Agreement.

SECTION 2.    AMENDMENTS.

(a)    Clauses (a) and (b) of the defined term “Eligible Receivable” appearing in Section 1.01 of the Financing Agreement are hereby amended and restated in their respective entireties to read as follows:

(a)    the Obligor of which is: (i) a U.S. Obligor; (ii) not a Sanctioned Person; (iii) not an Affiliate of the Borrower, the Servicer or any Originator; (iv) not the Obligor with respect to Defaulted Receivables with an aggregate Outstanding Balance exceeding 50% of the aggregate Outstanding Balance of all such Obligor’s Pool Receivables; and (v) not a Specified Obligor; provided that this clause (v) shall not apply to any Pool Receivable that is an Eligible Chapter 11 Receivable;

(b)    for which an Insolvency Proceeding shall not have occurred with respect to the Obligor thereof or any other Person obligated thereon or owning any Related Security with respect thereto unless such Pool Receivable is an Eligible Chapter 11 Receivable;

(b)    The defined terms “Default Ratio”, “Defaulted Receivable” and “Delinquency Ratio”, appearing in Section 1.01 of the Financing Agreement are hereby amended and restated in their respective entireties to read as follows:

“Default Ratio” means the ratio (expressed as a percentage and rounded to the nearest 1/100 of 1%, with 5/1000th of 1% rounded upward) computed as of the last day of each Fiscal Month by dividing: (a) the aggregate Outstanding Balance of all Pool Receivables other than Specified Obligor Receivables that became Defaulted Receivables during such Fiscal Month, by (b) the aggregate initial Outstanding Balance of all Pool Receivables (other than Unbilled Receivables) originated by the Originators during the Fiscal Month that is eight (8) Fiscal Months before such month.

“Defaulted Receivable” means a Receivable:

(a)    as to which any payment, or part thereof, remains unpaid for 241 days or more from the original invoice date for such payment

(b)    as to which any payment, or part thereof, remains unpaid for less than or equal to 240 days from the original invoice date for such payment and consistent with the Credit and Collection Policy, has been or should be written off the applicable Originator’s or the Borrower’s books as uncollectible; or

(c)    without duplication, as to which an Insolvency Proceeding shall have occurred with respect to the Obligor thereof or any other Person obligated thereon or owning any Related Security with respect thereto unless such Receivable is an Eligible Chapter 11 Receivable;

provided, however, that in each case above such amount shall be calculated without giving effect to any netting of credits that have not been matched to a particular Receivable for the purposes of aged trial balance reporting.

“Delinquency Ratio” means the ratio (expressed as a percentage and rounded to the nearest 1/100 of 1%, with 5/1000th of 1% rounded upward) computed as of the last day of each Fiscal Month by dividing: (a) the aggregate Outstanding Balance of all Pool Receivables that were Delinquent Receivables on such day other than Specified Obligor Receivables, by (b) the aggregate Outstanding Balance of all Pool Receivables on such day.

(c)    Section 1.01 of the Financing Agreement is hereby further amended to add the following defined terms in the appropriate alphabetical sequence to read as follows:

“Eligible Chapter 11 Receivable” means, at any time of determination, a Pool Receivable:

(a)    the related Obligor of which is the debtor in a case pending under Chapter 11 of the Bankruptcy Code,

(b)    with respect to which a final order has been entered by the applicable United States Bankruptcy Court having jurisdiction over the related Obligor that (i) authorizes and approves the assumption of the related Contract that gave rise to such Pool Receivable, (ii) authorizes the related Obligor to perform (prior to assumption) post-petition under the terms of the Contract that gave rise to such Pool Receivable and (iii) has not been subsequently stayed, reversed or vacated;

(c)    that has been approved by the Administrative Agent in its sole discretion; provided, however, that the Administrative Agent may revoke any such approval upon no less than five (5) Business Days’ prior written notice to the Borrower.

“Specified Obligor” means, from time to time, each Obligor identified on Schedule V, as such Schedule may be amended, modified or supplemented from time to time with the written consent of the Borrower and the Administrative Agent.

“Specified Obligor Receivable” means a Pool Receivable other than an Eligible Chapter 11 Receivable the related Obligor of which is a Specified Obligor.

(d)    The Financing Agreement is hereby further amended by adding a new Schedule V in the form of Schedule V attached hereto.

SECTION 3.    REPRESENTATIONS OF THE BORROWER AND THE SERVICER. Each of the Borrower and the Servicer hereby represent and warrant to the parties hereto that as of the date hereof each of the representations and warranties contained in Article VII of the Financing Agreement and any other Transaction Documents to which it is a party are true and correct as of the date hereof and after giving effect to this Amendment (except to the extent that such representations and warranties expressly refer to an earlier date, in which case they are true and correct as of such earlier date).

SECTION 4.    CONDITIONS PRECEDENT. This Amendment shall become effective and be deemed effective as of the date first written above upon the satisfaction of the following conditions precedent:

(a)    the Administrative Agent shall have received a fully executed counterpart of this Amendment;

(b)    all expenses referred to in Section 3.11 of the Financing Agreement shall have been paid to the extent invoiced;

(c)    each representation and warranty of the Borrower and the Servicer contained herein or in any other Transaction Document (after giving effect to this Amendment) shall be true and correct (except to the extent that such representations and warranties expressly refer to an earlier date, in which case they are true and correct as of such earlier date); and

(d)    no Unmatured Event of Default or Event of Default shall have occurred and be continuing.

SECTION 5.    COUNTERPARTS. This Amendment may be executed by the parties in separate counterparts, each of which when so executed and delivered shall be an original, but all such counterparts shall together constitute but one and the same instrument.

SECTION 6.    SEVERABILITY. Any provision of this Amendment which is prohibited or unenforceable in any jurisdiction shall, as to such jurisdiction, be ineffective to the extent of such prohibition or unenforceability without invalidating the remaining provisions, and any such prohibition or unenforceability in any jurisdiction shall not invalidate or render unenforceable such provision in any other jurisdiction.

SECTION 7.    GOVERNING LAW AND JURISDICTION. The provisions of the Financing Agreement with respect to governing law, jurisdiction, and agent for service of process are incorporated in this Amendment by reference as if such provisions were set forth herein.

SECTION 8.    MISCELLANEOUS. For the avoidance of doubt, this Amendment shall constitute a Transaction Document.

[SIGNATURES APPEAR ON FOLLOWING PAGE.]

IN WITNESS WHEREOF, the parties hereto have each caused this Amendment to be duly executed by their respective duly authorized officers as of the day and year first above written.

DAVEY RECEIVABLES LLC
By:	/s/ Christopher J. Bast
	Name:	Christopher J. Bast
	Title:	Treasurer
THE DAVEY TREE EXPERT COMPANY,
as the Servicer and an Originator
By:	/s/ Christopher J. Bast
	Name:	Christopher J. Bast
	Title:	Treasurer

PNC BANK, NATIONAL ASSOCIATION
as Administrative Agent
By:	/s/ Michael Brown
	Name:	Michael Brown
	Title:	Senior Vice President
PNC BANK, NATIONAL ASSOCIATION,
as LC Bank
By:	/s/ Michael Brown
	Name:	Michael Brown
	Title:	Senior Vice President

SCHEDULE V

SPECIFIED OBLIGORS

PG&E Corporation and any of its Affiliates and Subsidiaries that is subject to an Insolvency

Proceeding

Pacific Gas and Electric Company and any of its Affiliates and Subsidiaries that is subject to an Insolvency Proceeding

EX-10.22

EXHIBIT 10.22

2014 OMNIBUS STOCK PLAN

NON-QUALIFIED STOCK OPTION AGREEMENT

On the Date of Grant set forth below, The Davey Tree Expert Company (the “Company”) grants to the Grantee named below, in accordance with the terms of The Davey Tree Expert Company 2014 Omnibus Stock Plan and any rules promulgated by the Committee from time to time for the administration of such plan (the “Plan”) and this Stock Option Agreement (the “Agreement”), a Stock Option to purchase the number of Shares set forth below (the “Option”). Capitalized terms used in this Agreement without definition shall have the meanings assigned to them in the Plan.

I.    NOTICE OF STOCK OPTION GRANT

Name of Grantee (the “Grantee”):

Date of Grant:

Number of Shares (the "Shares"):

Exercise Price per Share (the "Exercise Price"):

Vesting Schedule:

Expiration Date:

II.    STOCK OPTION AGREEMENT

1. Grant of Option. The Company hereby grants to the Grantee the option to purchase the number of Shares set forth above at the exercise price per Share set forth above, subject to the terms and conditions of the Plan and this Agreement.

2. Vesting and Exercisability of Option. The Option shall become vested and exercisable as to a ratable portion of the Shares (subject to such rounding conventions as maintained by the Company from time to time) on each of the Vesting Dates set forth above (each, a “Vesting Date”), provided that the Grantee shall have remained in the employ of the Company or an Affiliate of the Company through the applicable Vesting Date.

3. Forfeiture of Option. To the extent the Option has not yet vested pursuant to Section 2, the Option shall be forfeited without further action or notice if the Grantee’s employment with the Company or an Affiliate of the Company terminates prior to a Vesting Date.

4. Term. The Grantee may not exercise the Option before the commencement of its term or after its term expires. During the term of the Option, the Grantee may exercise the Opting only to the extent vested. The term of the Option commences on the Date of Grant and expires upon the earliest of the following:

(a) Immediately upon the Grantee’s termination of employment with the Company or an Affiliate of the Company for any reason other than Retirement or disability;

(b) With respect to the vested portion of the Option, three (3) months after the termination of the Grantee’s employment with the Company or an Affiliate of the Company by reason of Retirement;

(c) With respect to the vested portion of the Option, twelve (12) months after the termination of the Grantee’s employment with the Company or an Affiliate of the Company by reason of the Grantee’s disability; or

(d) The Expiration Date.

5. Non-Transferability of Option. The Option is non-transferable.

6. Entire Agreement; Relation to Plan. This Agreement is subject to the terms and conditions of the Plan. This Agreement and the Plan contain the entire agreement and understanding of the parties with respect to the subject matter contained in this Agreement and supersedes all prior written or oral communications, representations, and negotiations in respect thereto. In the event of any inconsistency between the provisions of this Agreement and the Plan, the Plan shall govern.

7. Adjustments. The number and kind of Shares subject to the Option and the Exercise Price of the Option are subject to adjustment as provided in Section 4(c) of the Plan.

8. Successors and Assigns. The provisions of this Agreement shall inure to the benefit of, and be binding upon, the permitted successors, administrators, heirs, legal representatives, and assigns of the Grantee, and the successors and assigns of the Company.

9. Choice of Law. The interpretation, performance, and enforcement of this Agreement shall be governed by the laws of the State of Ohio, without giving effect to any rule or principle of conflicts or choice of law that might otherwise refer construction or interpretation of this Agreement to the substantive law of another jurisdiction.

10. Plan and Prospectus Delivery. By signing this Agreement, the Grantee acknowledges that copies of the Plan, Plan Prospectus, and the Company’s most recent Annual Report an Proxy Statement (the “Prospectus Information”) either have been received by or provided to the Grantee, and the Grantee consents to receiving the Prospectus Information electronically or, in the alternative, agrees to contact the Chief Financial Officer of the Company to request a paper copy of the Prospectus Information at no charge. The Grantee also represents that he or she is familiar with the terms and provisions of the Prospectus Information and hereby accepts this Award on the terms and subject to the conditions set forth herein and in the Plan. The Grantee hereby agrees to accept as binding, conclusive, and final all decisions or interpretations of the Committee upon any questions arising under the Plan or this Agreement.

IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of the Date of Grant.

THE DAVEY TREE EXPERT COMPANY
By:
	Name:
	Title:
GRANTEE
	Name:
	Address:

NOTE: If your signed Non-Qualified Stock Option Agreement is not received by the Chief Financial Officer of the Company by [________], [20__], this Option shall be forfeited in full.

EX-10.23

EXHIBIT 10.23

2014 OMNIBUS STOCK PLAN

PERFORMANCE RESTRICTED STOCK UNIT AGREEMENT

On the Date of Grant set forth below, The Davey Tree Expert Company (the “Company”) grants to the Grantee named below, in accordance with the terms of The Davey Tree Expert Company 2014 Omnibus Stock Plan and any rules promulgated by the Committee from time to time for the administration of such plan (the “Plan”) and this Performance Restricted Stock Unit Agreement (the “Agreement”), Performance Restricted Stock Units with respect to the number of Shares set forth below (the “PRSUs”). Capitalized terms used in this Agreement without definition shall have the meanings assigned to them in the Plan.

I.    NOTICE OF PRSU GRANT

Name of Grantee (the “Grantee”):

Date of Grant:

Number of Shares (the "Shares"):

Vesting Schedule:

II.    PERFORMANCE RESTRICTED STOCK UNIT AGREEMENT

1. Grant of PRSUs. The Company hereby grants to the Grantee PRSUs with respect to the number of Shares set forth above, subject to the terms and conditions of the Plan and this Agreement.

2. Vesting of PRSUs. The PRSUs shall become vested on the Vesting Date set forth above (the “Vesting Date”), provided that the Grantee does not forfeit the PRSUs pursuant to Section 3 prior to the Vesting Date.

3. Forfeiture of PRSUs. To the extent the PRSUs have not yet vested pursuant to Section 2, the PRSUs shall be forfeited without further action or notice if the Grantee’s employment with the Company or an Affiliate of the Company terminates voluntarily or for cause prior to the Vesting Date.

4. Non-Transferability of PRSUs. The PRSUs are non-transferable.

5. Entire Agreement; Relation to Plan. This Agreement is subject to the terms and conditions of the Plan. This Agreement and the Plan contain the entire agreement and understanding of the parties with respect to the subject matter contained in this Agreement and supersedes all prior written or oral communications, representations, and negotiations in respect thereto. In the event of any inconsistency between the provisions of this Agreement and the Plan, the Plan shall govern.

6. Adjustments. The number and kind of Shares subject to the PRSUs are subject to adjustment as provided in Section 4(c) of the Plan.

7. Successors and Assigns. The provisions of this Agreement shall inure to the benefit of, and be binding upon, the permitted successors, administrators, heirs, legal representatives, and assigns of the Grantee, and the successors and assigns of the Company.

8. Choice of Law. The interpretation, performance, and enforcement of this Agreement shall be governed by the laws of the State of Ohio, without giving effect to any rule or principle of conflicts or choice of law that might otherwise refer construction or interpretation of this Agreement to the substantive law of another jurisdiction.

9. Plan and Prospectus Delivery. By signing this Agreement, the Grantee acknowledges that copies of the Plan, Plan Prospectus, and the Company’s most recent Annual Report an Proxy Statement (the “Prospectus Information”) either have been received by or provided to the Grantee, and the Grantee consents to receiving the Prospectus Information electronically or, in the alternative, agrees to contact the Chief Financial Officer of the Company to request a paper copy of the Prospectus Information at no charge. The Grantee also represents that he or she is familiar with the terms and provisions of the Prospectus Information and hereby accepts this Award on the terms and subject to the conditions set forth herein and in the Plan. The Grantee hereby agrees to accept as binding, conclusive, and final all decisions or interpretations of the Committee upon any questions arising under the Plan or this Agreement.

IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of the Date of Grant.

THE DAVEY TREE EXPERT COMPANY
By:
	Name:
	Title:
GRANTEE
	Name:
	Address:

NOTE: If your signed Performance Restricted Stock Unit Agreement is not received by the Chief Financial Officer of the Company by [________], [20__], the PRSUs shall be forfeited in full.

EX-10.24

EXHIBIT 10.24

RECEIVABLES FINANCING AGREEMENT AMENDMENT No. 1

This Receivables Financing Agreement Amendment No. 1 (this “Amendment”), dated as of March 27, 2017, but effective as of February 25, 2017, among DAVEY RECEIVABLES LLC an Ohio limited liability company, as Borrower (together with its successors and assigns, the “Borrower”); THE DAVEY TREE EXPERT COMPANY, an Ohio corporation, in its individual capacity (“Davey Tree”) and as initial Servicer (in such capacity, together with its successors and assigns in such capacity, the “Servicer”); PNC BANK NATIONAL ASSOCIATION, as LC BANK (in such capacity, together with its successors and assigns in such capacity, the “LC Bank”); and PNC BANK NATIONAL ASSOCIATION (“PNC”), as Administrative Agent (in such capacity together with its successors and assigns in such capacity, the “Administrative Agent”).

WI TNESSETH:

WHEREAS, the Borrower, the Servicer, the LC Bank, and the Administrative Agent are party to that certain Receivables Financing Agreement dated as of May 29, 2016 (the “Financing Agreement”)

WHEREAS, the Borrower, the Servicer, the LC Bank, and the Administrative Agent hereby agree to amend the Events of Default set forth in the Financing Agreement pursuant to the terms and conditions set forth herein.

NOW, THEREFORE, in consideration of the mutual agreements herein contained and other good and valuable consideration, receipt and sufficiency of which are hereby acknowledged by the parties, the Borrower, the Servicer, the LC Bank, and the Administrative Agent hereto agree as follows:

Section 1.    DEFINITIONS. Capitalized terms not otherwise defined herein shall have the meanings given to them in the Receivables Purchase Agreement.

Section 2.    AMENDMENTS.

(a)    Effective as of February 25, 2017, clause (f) of Section 10.01 of the Financing Agreement is hereby amended and restated in its entirety and as so amended and restated shall read as follows:

(f)    (i) the average for three (3) consecutive Fiscal Months of: (A) the Default Ratio shall exceed 5.00%, (B) the Delinquency Ratio shall exceed 12.50% or (C) the Dilution Ratio shall exceed 5.00%, or (ii) the Days’ Sales Outstanding shall exceed (x) 75 days for any of the first three Fiscal Months of any calendar year or (y) 60 days for any other Fiscal Month;

Section 3.    REPRESENTATIONS OF THE BORROWER AND THE SERVICER. Each of the Borrower and the Servicer hereby represent and warrant to the parties hereto that as of the date hereof each of the representations and warranties contained in Article VII of the Financing Agreement and any other Transaction Documents to which it is a party are true and correct as of the date hereof and after giving effect to this Amendment (except to the extent that such representations and warranties expressly refer to an earlier

date, in which case they are true and correct as of such earlier date).

Section 4.    CONDITIONS PRECEDENT. This Amendment shall become effective and be deemed effective as of the date first written above upon the satisfaction of the following conditions precedent:

(a)    the Administrative Agent shall have received a fully executed counterpart of this Amendment;

(b)    each representation and warranty of the Borrower and the Servicer contained herein or in any other Transaction Document (after giving effect to this Amendment) shall be true and correct; and

(c)    no Unmatured Event of Default or Event of Default shall have occurred and be continuing.

Section 5.    COUNTERPARTS. This Amendment may be executed by the parties in separate counterparts, each of which when so executed and delivered shall be an original, but all such counterparts shall together constitute but one and the same instrument.

Section 6.    SEVERABILITY. Any provision of this Amendment which is prohibited or unenforceable in any jurisdiction shall, as to such jurisdiction, be ineffective to the extent of such prohibition or unenforceability without invalidating the remaining provisions, and any such prohibition or unenforceability in any jurisdiction shall not invalidate or render unenforceable such provision in any other jurisdiction.

Section 7.    GOVERNING LAW AND JURISDICITON. The provisions of the Financing Agreement with respect to governing law, jurisdiction, and agent for service of process are incorporated in this Amendment by reference as if such provisions were set forth herein.

[Signatures appear on following page.]

IN WITNESS WHEREOF, the parties hereto have each caused this Amendment to be duly executed by their respective duly authorized officers as of the day and year first above written.

DAVEY RECEIVABLES LLC
By:	/s/ Christopher J. Bast
	Name:	Christopher J. Bast
	Title:	Treasurer
THE DAVEY TREE EXPERT COMPANY,
as the Servicer and an Originator
By:	/s/ Christopher J. Bast
	Name:	Christopher J. Bast
	Title:	Treasurer

PNC BANK, NATIONAL ASSOCIATION
as Administrative Agent
By:	/s/ Michael Brown
	Name:	Michael Brown
	Title:	Senior Vice President
PNC BANK, NATIONAL ASSOCIATION,
as LC Bank
By:	/s/ Michael Brown
	Name:	Michael Brown
	Title:	Senior Vice President

EX-10.25

EXHIBIT 10.24

FIRST AMENDMENT

TO

THE DAVEY TREE EXPERT COMPANY

401KSOP MATCH RESTORATION PLAN

The Davey Tree Expert Company 401KSOP Match Restoration Plan, originally effective as of January 1, 2003, is hereby amended, effective as of January 1, 2008, in the following respects:

1. Section 2.4 of the Plan is amended to provide as follows:

2.4    Payment.Payment under the Plan to an eligible Employee or his Beneficiary shall be made by the Company solely from its general assets. The match restoration benefit shall be paid in the form of a single cash payment made as soon as reasonably practicable following the eligible Employee's retirement, death, or other termination of employment; provided, however, that the payment shall be made by the end of the year in which the eligible Employee's retirement, death, or other termination of employment occurs or, if later, by the 15th day of the third calendar month following the date of the eligible Employee's retirement, death, or other termination of employment.

* * *

EXECUTED at Kent, Ohio this 7th day of December, 2007

THE DAVEY TREE EXPERT COMPANY
By:	/s/ David E. Adante
	Title:	Executive VP & CFO

EX-21

Exhibit 21

Subsidiaries of the Registrant

Name	Jurisdiction of Organization
Davey Tree Surgery Company	Ohio
Davey Tree Expert Co. of Canada, Limited	Canada
Standing Rock Insurance Company	Vermont
Davey Resource Group, Inc	Ohio
Wolf Tree, Inc.	Tennessee
The Care of Trees, Inc.	Illinois

The Registrant has other subsidiaries that are not in the aggregate “significant subsidiaries” as defined in Rule 1-02(w) of Regulation S-X.

EX-23.1

Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in:

• Registration Statement (Form S-8 No. 333-123767) pertaining to The Davey Tree Expert Company 2004 Omnibus Stock Plan;

• Registration Statements (Form S-8 No. 333-172738, Form S-8 No. 333-187205, Form S-8 No. 333-203865 and Form S-8 No. 333-211465) pertaining to The Davey 401KSOP and ESOP; and

• Registration Statement (Form S-8 No. 333-196224) pertaining to The Davey Tree Expert Company 2014 Omnibus Stock Plan.

of our reports dated March 11, 2019, relating to (1) the consolidated financial statements of The Davey Tree Expert Company, (the “Company”), and (2) the effectiveness of The Davey Tree Expert Company’s internal control over financial reporting, appearing in this Annual Report on Form 10‑K of the Company for the year ended December 31, 2018.

/s/ Deloitte & Touche LLP

Cleveland, Ohio

March 11, 2019

EX-23.2

Exhibit 23.2

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the following Registration Statements:

1. Registration Statement (Form S-8 No. 333-123767) pertaining to The Davey Tree Expert Company 2004 Omnibus Stock Plan,

2. Registration Statements (Form S-8 No. 333-172738, Form S-8 No. 333-187205, Form S-8 No. 333-203865 and Form S-8 No. 333-211465) pertaining to The Davey 401KSOP and ESOP,

3. Registration Statement (Form S-8 No. 333-196224) pertaining to The Davey Tree Expert Company 2014 Omnibus Stock Plan;

of our report dated March 16, 2018, except for paragraph 3 of Note C, as to which the date is March 11, 2019, with respect to the consolidated financial statements of The Davey Tree Expert Company included in this Annual Report (Form 10-K) of The Davey Tree Expert Company for the year ended December 31, 2018.

/s/ Ernst & Young LLP

Akron, Ohio

March 11, 2019

EX-31.1

Exhibit 31.1

Certification Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Certification of Chief Executive Officer

I, Patrick M. Covey, certify that:

1. I have reviewed this annual report on Form 10-K of The Davey Tree Expert Company;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date:	March 11, 2019	/s/ Patrick M. Covey
		Patrick M. Covey
		President and Chief Executive Officer

EX-31.2

Exhibit 31.2

Certification Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Certification of Chief Financial Officer

I, Joseph R. Paul, certify that:

1. I have reviewed this annual report on Form 10-K of The Davey Tree Expert Company;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date:	March 11, 2019	/s/ Joseph R. Paul
		Joseph R. Paul
		Executive Vice President, Chief Financial Officer and Secretary

EX-32.1

Exhibit 32.1

Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Certification of Chief Executive Officer

I, Patrick M. Covey, President and Chief Executive Officer of The Davey Tree Expert Company (the "Company"), do hereby certify in accordance with 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to my knowledge:

1. The Annual Report on Form 10-K of the Company for the fiscal year ended December 31, 2018 (the "Report") fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and,

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:	March 11, 2019	/s/ Patrick M. Covey
		Patrick M. Covey
		President and Chief Executive Officer

EX-32.2

Exhibit 32.2

Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Certification of Chief Financial Officer

I, Joseph R. Paul, Executive Vice President, Chief Financial Officer and Secretary of The Davey Tree Expert Company (the "Company"), do hereby certify in accordance with 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to my knowledge:

1. The Annual Report on Form 10-K of the Company for the fiscal year ended December 31, 2018 (the "Report") fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and,

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:	March 11, 2019	/s/ Joseph R. Paul
		Joseph R. Paul
		Executive Vice President, Chief Financial Officer and Secretary

XML

Document and Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2018	Mar. 08, 2019
Document and Entity Information [Abstract]
Entity registrant name	DAVEY TREE EXPERT CO
Entity central index key	0000277638
Current fiscal year end date	--12-31
Entity filer category	Accelerated Filer
Document type	10-K
Document period end date	Dec. 31, 2018
Document fiscal year focus	2018
Document fiscal period focus	FY
Amendment flag	false
Entity common stock, shares outstanding		22,922,773
Entity well-known seasoned issuer	No
Entity voluntary filers	No
Entity current reporting status	Yes
Entity public float	$ 417,618,382

XML

Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Current assets:
Cash	$ 22,661	$ 13,121
Accounts receivable, net	195,906	168,671
Operating supplies	14,415	10,069
Prepaid expenses	19,529	15,893
Other current assets	2,557	1,371
Total current assets	255,068	209,125
Property and equipment:
Land and land improvements	17,350	18,215
Buildings and leasehold improvements	40,585	40,285
Equipment	581,461	557,536
Property and equipment	639,396	616,036
Less accumulated depreciation	437,111	422,853
Total property and equipment, net	202,285	193,183
Other assets	21,769	29,156
Intangible Assets, Net (Excluding Goodwill)	9,530	6,194
Goodwill	37,971	35,477
Total assets	526,623	473,135
Current liabilities:
Current portion of long-term debt and short-term debt	22,514	16,315
Current portion of capital leases	1,345	651
Accounts payable	43,958	45,093
Accrued expenses	44,061	42,816
Self-insurance accruals	27,434	23,782
Total current liabilities	139,312	128,657
Long-term debt	99,683	105,469
Senior unsecured notes	55,880	11,882
Capital leases	2,862	1,859
Self-insurance accruals	56,351	43,912
Other liabilities	10,125	19,966
Total liabilities	364,213	311,745
Redeemable common shares related to 401KSOP and Employee Stock Ownership Plan (ESOP): 5,642 and 6,467 shares at redemption value as of December 31, 2018 and 2017	119,049	123,520
Common shareholders' equity:
Common shares, $1.00 par value, per share; 48,000 shares authorized; 37,272 and 36,447 shares issued and outstanding before deducting treasury shares and which excludes 5,642 and 6,467 shares subject to redemption as of December 31, 2018 and 2017	37,272	36,447
Additional paid-in capital	82,623	58,554
Common shares subscribed	6,799	7,529
Retained earnings	157,472	143,835
Accumulated other comprehensive loss	(5,034)	(8,393)
Stockholders' equity before treasury stock	279,132	237,972
Less: Cost of Common shares held in treasury; 20,033 shares in 2018 and 18,693 in 2017	235,042	198,327
Common shares subscription receivable	729	1,775
Total common shareholders' equity	43,361	37,870
Total liabilities and shareholders' equity	$ 526,623	$ 473,135

XML

Consolidated Balance Sheets (Parenthetical)	12 Months Ended
	Dec. 31, 2018 $ / shares shares	Dec. 31, 2017 $ / shares shares
Stock split, conversion ratio	2
Common stock, par value (in dollars per share) | $ / shares	$ 1.00	$ 1.00
Common stock, shares authorized	48,000,000	48,000,000
Redeemable stock, outstanding	5,642,154	6,467,027
Common stock, shares issued	37,271,606	36,446,890
Common stock, shares outstanding	37,272,000	36,447,000
Treasury stock, shares	20,033,108	18,692,901

XML

Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Revenues	$ 1,024,791	$ 915,958	$ 845,678
Costs and expenses:
Operating	665,388	587,333	541,486
Selling	184,388	167,934	152,106
General and administrative	67,462	59,403	58,293
Depreciation	54,914	50,702	47,284
Amortization of intangible assets	2,055	2,384	2,306
Gain on sale of assets, net	(5,106)	(3,989)	(4,664)
Costs and expenses	969,101	863,767	796,811
Income from operations	55,690	52,191	48,867
Other income (expense):
Interest expense	(7,039)	(4,886)	(4,393)
Interest income	350	292	255
Other	(11,505)	(9,603)	(7,485)
Income before income taxes	37,496	37,994	37,244
Income taxes	9,519	15,874	14,960
Net income	$ 27,977	$ 22,120	$ 22,284
Share data:
Earnings per share--basic	$ 1.15	$ 0.87	$ 0.85
Earnings per share--diluted	$ 1.10	$ 0.83	$ 0.82
Weighted-average shares outstanding:
Basic	24,388,738	25,557,468	26,212,040
Diluted	25,480,618	26,697,062	27,247,354
Dividends declared per share	$ 0.100	$ 0.100	$ 0.100

XML

Consolidated Statements of Operations (Parenthetical)	12 Months Ended
	Dec. 31, 2018
Income Statement [Abstract]
Stock split, conversion ratio	2

XML

Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Net income	$ 27,977	$ 22,120	$ 22,284
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments gains/(losses)	(2,514)	2,195	744
Defined benefit pension plans:
Net loss arising during the year	(273)	(1,286)	(1,219)
Amortization of defined benefit pension items:
Net actuarial loss	6,084	2,822	1,912
Prior service cost	62	38	(205)
Amortization of defined benefit pension items:	6,146	2,860	1,707
Defined benefit pension plan adjustments	(5,873)	(1,574)	(488)
Total other comprehensive income, net of tax	3,359	3,769	1,232
Comprehensive income	$ 31,336	$ 25,889	$ 23,516

XML

Statements of Consolidated Shareholders' Equity - USD ($) $ in Thousands	Total	Common shares	Additional paid-in capital	Common shares subscribed, unissued	Retained earnings	Accumulated other comprehensive income (loss), net of tax	Common shares held in treasury	Common shares subscription receivable
Common shares, at beginning of year at Dec. 31, 2015		35,141,000
Balance at beginning of year, value at Dec. 31, 2015		$ 35,141	$ 24,340	$ 8,591	$ 123,307		$ (159,429)	$ 4,106
Increase (decrease) in stockholders' equity [Roll Forward]
Reclassifications of temporary to permanent equity, shares		716,000
Reclassifications of temporary to permanent equity, value		$ 716
Share subscriptions, beginning balance, shares at Dec. 31, 2015				(872,000)				(872,000)
Balance at beginning of year, shares at Dec. 31, 2015							17,427,000
Balance at the beginning of the year at Dec. 31, 2015	$ (13,394)					$ (13,394)
Increase (decrease) in stockholders' equity [Roll Forward]
Shares purchased, value							$ (25,290)
Shares sold to employees, value			4,182				5,298
Options exercised, value			(992)				(2,442)
Subscription shares, issued, value			(21)				$ 449
Stock-based compensation			2,860
Change in common shares related to 401KSOP and ESOP related shares					(9,043)
Adjustments to additional paid in capital, other			11,215		0
Common shares, issued, value				$ (325)				$ (1,104)
Common shares, issued, shares				(32,000)				(32,000)
Cancellations, value				$ (57)				$ (29)
Cancellations, shares				(6,000)				(6,000)
Net income	22,284				22,284
Dividends					(2,597)
Currency translation adjustments						744
Defined benefit pension plans	(488)					488
Shares purchased, shares							1,492,000
Shares sold							(617,000)
Options exercised, shares							(262,000)
Subscription shares, issued, shares							(49,000)
Balance at ending of year, value at Dec. 31, 2016	$ 27,978	$ 35,857	41,626	$ 8,209	133,951		$ (176,530)	$ 2,973
Share subscriptions, ending balance, shares at Dec. 31, 2016				(834,000)				(834,000)
Balance at ending of year, shares at Dec. 31, 2016	17,866,000						17,991,000
Balance at the end of the year at Dec. 31, 2016	$ (12,162)					(12,162)
Common shares, at end of year at Dec. 31, 2016	35,856,856	35,857,000
Increase (decrease) in stockholders' equity [Roll Forward]
Reclassifications of temporary to permanent equity, shares		590,000
Reclassifications of temporary to permanent equity, value		$ 590
Shares purchased, value							$ (30,566)
Shares sold to employees, value			5,690				5,206
Options exercised, value			76				(2,634)
Subscription shares, issued, value			(35)				$ 929
Stock-based compensation			1,220
Change in common shares related to 401KSOP and ESOP related shares					(9,885)
Adjustments to additional paid in capital, other			9,977		162
Common shares, issued, value				$ (567)				$ (1,123)
Common shares, issued, shares				(59,000)				(59,000)
Cancellations, value				$ (113)				$ (75)
Cancellations, shares				(11,000)				(11,000)
Net income	$ 22,120				22,120
Dividends					(2,513)
Currency translation adjustments						2,196
Defined benefit pension plans	$ (1,574)					1,573
Shares purchased, shares	1,697,727						1,698,000
Shares sold	(662,806)						(663,000)
Options exercised, shares							(242,000)
Subscription shares, issued, shares							(91,000)
Balance at ending of year, value at Dec. 31, 2017	$ 37,870	$ 36,447	58,554	$ 7,529	143,835		$ (198,327)	$ 1,775
Share subscriptions, ending balance, shares at Dec. 31, 2017				(764,000)				(764,000)
Balance at ending of year, shares at Dec. 31, 2017	17,754,000						18,693,000
Balance at the end of the year at Dec. 31, 2017	$ (8,393)					(8,393)
Common shares, at end of year at Dec. 31, 2017	36,446,890	36,447,000
Increase (decrease) in stockholders' equity [Roll Forward]
Reclassifications of temporary to permanent equity, shares		825,000
Reclassifications of temporary to permanent equity, value		$ 825
Shares purchased, value							$ (51,116)
Shares sold to employees, value			6,820				10,617
Options exercised, value			145				(2,326)
Subscription shares, issued, value			(99)				$ 1,458
Stock-based compensation			1,958
Change in common shares related to 401KSOP and ESOP related shares					(11,598)
Adjustments to additional paid in capital, other			15,245		(355)
Common shares, subscribed, value	$ (12,563)
Common shares, subscribed, shares	(1,275,428)
Common shares, issued, value				$ (543)				$ (1,005)
Common shares, issued, shares				(55,000)				(55,000)
Cancellations, value				$ (187)				$ (41)
Cancellations, shares				(19,000)				(19,000)
Net income	$ 27,977				27,977
Dividends					(2,387)
Currency translation adjustments						(2,514)
Defined benefit pension plans	$ (5,873)					5,873
Shares purchased, shares	2,636,943						2,637,000
Shares sold	(960,740)						(961,000)
Options exercised, shares							(207,000)
Subscription shares, issued, shares							(129,000)
Balance at ending of year, value at Dec. 31, 2018	$ 43,361	$ 37,272	$ 82,623	$ 6,799	$ 157,472		$ (235,042)	$ 729
Share subscriptions, ending balance, shares at Dec. 31, 2018				(690,000)				(690,000)
Balance at ending of year, shares at Dec. 31, 2018	17,239,000						20,033,000
Balance at the end of the year at Dec. 31, 2018	$ (5,034)					$ (5,034)
Common shares, at end of year at Dec. 31, 2018	37,271,606	37,272,000

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Statement of Consolidated Shareholders' Equity (Parenthetical)	12 Months Ended
	Dec. 31, 2018 $ / shares	Dec. 31, 2017 $ / shares	Dec. 31, 2016 $ / shares
Dividends declared per share	$ 0.100	$ 0.100	$ 0.100
Stock split, conversion ratio	2

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Consolidated Statements of Cash Flow - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Operating activities
Net income	$ 27,977	$ 22,120	$ 22,284
Adjustments to reconcile net income to net cash provided by operating activities net of assets/liabilities acquired:
Depreciation	54,914	50,702	47,284
Amortization	2,055	2,384	2,306
Gain on sale of assets	(5,106)	(3,989)	(4,664)
Deferred income taxes	4,014	3,753	60
Other	134	2,581	1,286
Changes in operating assets and liabilities:
Accounts receivable	(26,829)	(20,784)	(26,133)
Accounts payable and accrued expenses	(1,970)	6,164	2,454
Self-insurance accruals	16,091	4,856	2,499
Other assets, net	(9,176)	(11,011)	7,994
Adjustments to reconcile net income to net cash provided by operating activities	34,127	34,656	33,086
Net cash provided by operating activities	62,104	56,776	55,370
Capital expenditures:
Equipment	(58,620)	(53,128)	(54,147)
Land and buildings	(1,790)	(3,972)	(2,499)
Proceeds from sales of property and equipment	7,494	5,034	5,635
Purchases of businesses, net of cash acquired	(8,461)	(7,452)	(3,797)
Net cash used in investing activities	(61,377)	(59,518)	(54,808)
Financing activities
Revolving credit facility borrowings	507,500	328,000	252,500
Revolving credit facility payments	(514,000)	(295,000)	(240,000)
Proceeds from notes payable	74,716	16,610	17,832
Payments of notes payable	(26,339)	(23,008)	(20,638)
Payments of capital leases	(891)	(2,294)	(1,680)
Purchase of common shares for treasury	(51,116)	(30,404)	(25,290)
Sale of common shares from treasury	20,536	13,820	11,019
Cash received on common-share subscriptions	1,046	1,199	1,133
Dividends	(2,387)	(2,513)	(2,597)
Net cash provided by (used in) financing activities	9,065	6,410	(7,721)
Effect of exchange rate changes on cash	(252)	447	135
Increase (Decrease) in cash	9,540	4,115	(7,024)
Cash, beginning of year	13,121	9,006	16,030
Cash, end of year	$ 22,661	$ 13,121	$ 9,006

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Our Business

12 Months Ended

Dec. 31, 2018

Accounting Policies [Abstract]

Our Business

Our Business

We provide a wide range of arboricultural, horticultural, environmental and consulting services to residential, utility, commercial and government entities throughout the United States and Canada. We have two reportable operating segments organized by type or class of customer: Residential and Commercial, and Utility.

Residential and Commercial--Residential and Commercial provides services to our residential and commercial customers including: the treatment, preservation, maintenance, removal and planting of trees, shrubs and other plant life; the practice of landscaping, grounds maintenance, tree surgery, tree feeding and tree spraying; the application of fertilizer, herbicides and insecticides; and, natural resource management and consulting, forestry research and development, and environmental planning.

Utility--Utility is principally engaged in providing services to our utility customers--investor-owned, municipal utilities, and rural electric cooperatives--including: the practice of line-clearing and vegetation management around power lines, rights-of-way and chemical brush control; and, natural resource management and consulting, forestry research and development and environmental planning.

We also maintain research, technical support and laboratory diagnostic facilities.

When we refer to “we,” “us,” “our,” “Davey Tree,” and the “Company,” we mean The Davey Tree Expert Company, unless the context indicates otherwise.

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Summary of Significant Accounting Policies

12 Months Ended

Dec. 31, 2018

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

Summary of Significant Accounting Policies

Principles of Consolidation and Basis of Presentation--The consolidated financial statements include the accounts of Davey Tree and our wholly-owned subsidiaries and were prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) as codified in the Financial Accounting Standards Board ("FASB") Accounting Standards Codification ("ASC"). Intercompany accounts and transactions have been eliminated in consolidation.

Per Common Share Information--We have given retroactive consideration to the two-for-one stock split of our common shares effective June 1, 2017 including all common share and per share data.

Use of Estimates in Financial Statement Preparation--The preparation of financial statements in accordance with U.S. GAAP requires management to make estimates and assumptions that affect reported amounts. Estimates are used for, but not limited to, accounts receivable valuation, depreciable lives of fixed assets, self-insurance accruals, stock valuation and revenue recognition. Actual results could differ from those estimates.

The Company’s fiscal quarters each contain thirteen operating weeks, with the exception of the fourth quarter of a 53-week fiscal year, which contains fourteen operating weeks.

Property and Equipment--Property and equipment are stated at cost. Repair and maintenance costs are expensed as incurred. Depreciation is computed for financial reporting purposes by the straight-line method for land improvements, building and leasehold improvements and by the declining-balance method for equipment, based on the estimated useful lives of the assets, as follows:

Land improvements	5 to 20 years
Buildings	5 to 30 years
Equipment	3 to 20 years
Leasehold improvements	Shorter of lease term or estimated useful life; ranging from 5-to-20 years

Intangible Assets--Intangible assets with finite lives, primarily customer lists, noncompete agreements and tradenames, are amortized by the straight-line method based on their estimated useful lives, ranging from one-to-ten years.

B. Summary of Significant Accounting Policies (continued)

Long-Lived Assets--We assess potential impairment to our long-lived assets, other than goodwill, when there is evidence that events or changes in circumstances have made recovery of the asset’s carrying value unlikely and the carrying amount of the asset exceeds the estimated future undiscounted cash flow. In the event the assessment indicates that the carrying amounts may not be recoverable, an impairment loss would be recognized to reduce the asset’s carrying amount to its estimated fair value based on the present value of the estimated future cash flows.

Goodwill--Goodwill is recorded when the cost of acquired businesses exceeds the fair value of the identified net assets acquired. Goodwill is not amortized, but tested for impairment annually or when events or circumstances indicate that impairment may have occurred. Annually, we perform the impairment tests for goodwill during the fourth quarter. Impairment of goodwill is tested at the reporting-unit level, which for us are also our business segments. Impairment of goodwill is tested by comparing the reporting unit’s carrying value, including goodwill, to the fair value of the reporting unit. The fair values of the reporting units are estimated using discounted projected cash flows. If the carrying value of the reporting unit exceeds its fair value, goodwill is considered impaired and an impairment loss should be recognized for the amount by which the carrying amount exceeds the reporting unit’s fair value, not to exceed the carrying value of the goodwill allocated to that reporting unit. We conducted our annual impairment tests and determined that no impairment loss was required to be recognized in 2018 or for any prior periods. There were no events or circumstances from the date of our assessment through December 31, 2018 that would impact this conclusion.

Self-Insurance Accruals--We are generally self-insured for losses and liabilities related primarily to workers’ compensation, vehicle liability and general liability claims. We use commercial insurance as a risk-reduction strategy to minimize catastrophic losses. Ultimate losses are accrued based upon estimates of the aggregate liability for claims incurred using certain actuarial assumptions followed in the insurance industry and based on Company-specific experience.

Our self-insurance accruals include claims for which the ultimate losses will develop over a period of years. Accordingly, our estimates of ultimate losses can change as claims mature. Our accruals also are affected by changes in the number of new claims incurred and claim severity. The methods for estimating the ultimate losses and the total cost of claims were determined by third-party consulting actuaries; the resulting accruals are reviewed by management, and any adjustments arising from changes in estimates are reflected in income.

The workers' compensation accruals are discounted as the amount and timing of cash payments related to those accruals are reliably determinable given the nature of workers' compensation benefits and the level of historical claim volume to support the actuarial assumptions and judgments used to derive the expected loss payment pattern. The workers' compensation accruals are discounted using an interest rate that approximates the long-term investment yields over the expected payment pattern of unpaid losses.

Our self-insurance accruals are based on estimates and, while we believe that the amounts accrued are adequate and not excessive, the ultimate claims may be in excess of or less than the amounts provided.

Stock-Based Compensation--Stock-based compensation cost for all share-based payment plans is measured at fair value on the date of grant and recognized over the employee service period on the straight-line recognition method for awards expected to vest. The fair value of all stock-based payment plans—stock option plans, stock-settled stock appreciation rights, and performance-based restricted stock units as well as our Employee Stock Purchase Plan—is determined by the number of awards granted and the price of our common stock. The fair value of each award is estimated on the date of grant using a binomial option-pricing model. The binomial model considers a range of assumptions related to volatility, risk-free interest rate and employee exercise behavior. Expected volatilities utilized in the binomial model are based on historical volatility of our share prices and other factors. Similarly, the dividend yield is based on historical experience and expected future changes. The binomial model also incorporates exercise assumptions based on an analysis of historical data. The expected life of the stock-based awards is derived from the output of the binomial model and represents the period of time that awards granted are expected to be outstanding.

Defined Benefit Pension Plans--We record annual expenses relating to our defined benefit pension plans based on calculations that include various actuarial assumptions, including discount rates and expected long-term rates of return on plan assets. Actuarial assumptions are reviewed annually with modifications made to the assumptions, if necessary, based on

B. Summary of Significant Accounting Policies (continued)

current rates and trends. The effects of the actuarial gains or losses are amortized over future service periods. The funded status (that is, the projected benefit obligation less the fair value of plan assets) for each plan is reported in our balance sheet using a December 31 measurement date. Changes in the funded status of the plans are recognized in the year in which the changes occur and reported in comprehensive income (loss).

Income Taxes--We compute taxes on income in accordance with the tax rules and regulations where the income is earned. The income tax rates imposed by these taxing authorities vary. Taxable income may differ from pretax income for financial reporting purposes. We compute and recognize deferred tax assets and liabilities for the expected future tax consequences of temporary differences between the financial statement carrying amounts and the tax bases of our assets and liabilities. Changes in tax rates and laws are reflected in income in the period when such changes are enacted. We account for uncertain tax positions by recognizing the financial statement effects of a tax position only when, based upon the technical merits, it is more-likely-than-not that the position will be sustained upon examination.

Earnings Per Share--Basic earnings per share is determined by dividing the income available to common shareholders by the weighted-average number of common shares outstanding. Diluted earnings per share is computed similarly to basic earnings per share except that the weighted-average number of shares is increased to include the effect of stock awards that were granted and outstanding during the period.

Revenue Recognition--We recognize revenue in accordance with ASC Topic 606, Revenue from Contracts with Customers, which we adopted on January 1, 2018, using the modified retrospective method. See Note C for further discussion of the adoption, including the impact on our 2018 financial statements. Performance obligations are satisfied as our services are provided to customers. See Note T for a detailed description of our revenue recognition policy.

Concentration of Credit Risk--Credit risk represents the accounting loss that would be recognized if the counterparties failed to perform as contracted. The principal financial instruments subject to credit risk follow:

Cash--To limit our exposure, we transact our business and maintain banking relationships with high credit-quality financial institutions.

Accounts Receivable--Our residential and commercial customers are located geographically throughout the United States and Canada and, as to commercial customers, within differing industries; thus, minimizing credit risk. The credit exposure of utility services customers is directly affected by conditions within the utility industries as well as the financial condition of individual customers. One utility customer approximated 12% of revenues during 2018, 11% in 2017 and 12% in 2016. To reduce credit risk, we evaluate the credit of customers, but generally do not require advance payments or collateral. Exposure to losses on receivables is principally dependent on each customer’s financial condition.

Foreign Currency Translation and Transactions--Assets and liabilities of our Canadian operations are translated into U.S. dollars using year-end exchange rates, and revenues and expenses are translated using exchange rates as determined throughout the year. Gains or losses resulting from translation are included in the consolidated balance sheet, classified in shareholders’ equity as a separate component of accumulated other comprehensive income (loss). Gains or losses resulting from Canadian-dollar transactions with the Canadian operations are converted to U.S. dollars at the rates of exchange prevailing at the dates of the transactions. The effect of the transactions gain or loss is classified in the statement of operations as a component of other nonoperating income (expense), net.

Interest Rate Risk Management--We have entered into interest rate contracts, from time-to-time, with the objective of altering interest rate exposures related to variable rate debt. In the interest rate contracts, we have agreed with a financial institution to exchange, at specified intervals, the difference between fixed and floating interest amounts calculated on an agreed-upon notional principal amount. During the year ended December 31, 2018, we did not enter into any interest rate contracts.

B. Summary of Significant Accounting Policies (continued)

Comprehensive Income (Loss)--Comprehensive income (loss) includes net income and other comprehensive income or loss. Other comprehensive income (loss) refers to revenues, expenses, gains and losses that under U.S. GAAP are included in comprehensive income but are excluded from net income as these amounts are recorded directly as an adjustment to shareholders’ equity, net of tax.

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Recent Accounting Guidance

12 Months Ended

Dec. 31, 2018

New Accounting Pronouncements and Changes in Accounting Principles [Abstract]

Recent Accounting Guidance

Recent Accounting Guidance

Accounting Standards Adopted in 2018

Accounting Standards Update 2017-01, Business Combinations (Topic 805): Clarifying the Definition of a Business--In January 2017, the FASB issued Accounting Standard Update ("ASU") 2017-01, "Business Combinations (Topic 805): Clarifying the Definition of a Business," which provides guidance to evaluate whether transactions should be accounted for as acquisitions (or disposals) of assets or businesses. If substantially all of the fair value of the gross assets acquired (or disposed of) is concentrated in a single asset or a group of similar assets, the assets acquired (or disposed of) are not considered a business. The Company adopted the guidance effective January 1, 2018. ASU 2017-01 applies prospectively for annual and interim periods beginning after December 15, 2017. The adoption of this guidance did not have a material impact on our consolidated financial statements.

Accounting Standards Update 2016-15, Statement of Cash Flows (Topic 230): Classification of Certain Cash Receipts and Cash Payments (a consensus of the FASB Emerging Issues Task Force)--In August 2016, the FASB issued ASU 2016-15, “Statement of Cash Flows (Topic 230): Classification of Certain Cash Receipts and Cash Payments,” which provides guidance on how cash receipts and cash payments related to eight specific cash flow issues are presented and classified in the statement of cash flows, with the objective of reducing the existing diversity in practice. The Company adopted ASU 2016-15 prospectively on January 1, 2018. The adoption of ASU 2016-15 did not have a material impact on our consolidated financial statements.

Accounting Standards Update 2017-07, Compensation - Retirement Benefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost--In March 2017, the FASB issued ASU 2017-07, “Compensation-Retirement Benefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost,” which changes the presentation of net periodic benefit cost related to employer sponsored defined benefit plans and other postretirement benefits. Under ASU 2017-07, service costs are included within the same income statement line item as other compensation costs arising from services rendered by pertinent employees during the period. The other components of net periodic benefit pension cost are presented separately outside of income from operations. Additionally, only the service cost component of the net periodic benefit cost may be capitalized in assets. The amendments under ASU 2017-07 also provide a practical expedient that permits the use of amounts disclosed in the pension and other postretirement benefit plan footnote for prior year comparative periods as the estimation basis for applying the guidance retrospectively. The Company adopted ASU 2017-07 on January 1, 2018 and chose to use the practical expedient provided when applying the guidance retrospectively. Upon adoption, service costs are recognized in our financial statements as general and administrative expenses while the remaining components of net periodic benefit cost are recognized as other income (expense). Pension expense of $5,186 for the year ended December 31, 2017 and $3,496 for the year ended December 31, 2016 have been reclassified from general and administrative expense to other income (expense).

Accounting Standards Update 2014-09, Revenue from Contracts with Customers (Topic 606)--In May 2014, the FASB issued ASU 2014-09, “Revenue from Contracts with Customers (Topic 606),” which replaces all current U.S. GAAP guidance on revenue recognition and eliminates all industry-specific guidance.

The Company adopted ASU 2014-09 and applied it to all contracts that were not completed as of January 1, 2018 using the modified retrospective method. The cumulative effect of applying the guidance in ASU 2014-09 was not material. Further, the adoption of ASU 2014-09 did not have a significant impact on the amount or timing of revenue recognition. Therefore, we have not disclosed the amount by which each financial statement line item is affected in the current period as a result of applying ASU 2014-09 or an explanation of significant changes between our results as reported and those that would have been reported under legacy U.S. GAAP, as no significant changes were identified.

C. Recent Accounting Guidance (continued)

Accounting Standards Not Yet Adopted

Accounting Standards Update 2016-02, Leases (Topic 842)--In February 2016, the FASB issued ASU 2016-02, “Leases (Topic 842).” The FASB issued subsequent amendments to the initial guidance in July 2018 with ASU 2018-10, in August 2018 with ASU 2018-11, and in December 2018 with ASU 2018-20. ASU 2016-02 establishes a comprehensive new lease accounting model. The new standard: (a) clarifies the definition of a lease; (b) requires a dual approach to lease classification similar to current lease classifications; and (c) causes lessees to recognize leases on the balance sheet as a lease liability with a corresponding right-of-use asset for leases with a lease-term of more than twelve months. The new standard is effective for interim and annual periods beginning after December 15, 2018, which for Davey Tree would be January 1, 2019. Management has evaluated all real estate, personal property and other arrangements that may meet the definition of a lease and has implemented a technology solution to assist with the management of leases.

We will adopt the new standard on the required effective date of January 1, 2019 using the Comparatives Under ASC 840 approach, which requires application of the new guidance at the beginning of the standard’s effective date. The Company elected the Package of Three practical expedient and has decided not to elect the “Hindsight” practical expedient. As a result, the Company will measure the right of use asset and lease liability for operating leases upon adoption using the remaining portion of the lease term that was determined under ASC 840 when the lease was entered into.

A cross-functional implementation team is finalizing policy elections, the discount rate to be used based on January 1, 2019 data, and business processes and controls to support recognition and disclosure under the new standard. The primary impact upon adoption will be the recognition of right of use assets and lease liabilities, on a discounted basis, of our minimum lease obligations, as disclosed in Note K. We currently do not expect ASU 2016-02 to have a material effect on our Consolidated Statements of Income.

Accounting Standards Update 2018-02, Income Statement - Reporting Comprehensive Income (Topic 220)--In February 2018, the FASB issued ASU 2018-02, "Income Statement - Reporting Comprehensive Income (Topic 220)." ASU 2018-02 provides an option to reclassify the stranded tax effects within accumulated other comprehensive income to retained earnings as a result of the Tax Cuts and Jobs Act of 2017 (the "Tax Reform Act"). This standard is effective for interim and annual reporting periods beginning after December 15, 2018, which for Davey Tree would be January 1, 2019. Early adoption is permitted. Management has not yet completed its assessment of the impact of the new standard on the Company's consolidated financial statements.

SEC Release No. 33-10532, Disclosure Update and Simplification--In August 2018, the SEC adopted the final rule under SEC Release No. 33-10532, Disclosure Update and Simplification, amending certain disclosure requirements that were redundant, duplicative, overlapping, outdated or superseded. In addition, the amendments expanded the disclosure requirements on the analysis of shareholders' equity for interim financial statements. Under the amendments, an analysis of changes in each caption of shareholders' equity presented in the balance sheet must be provided in a note or separate statement. The analysis should present a reconciliation of the beginning balance to the ending balance of each period for which a statement of comprehensive income is required to be filed. This final rule is effective for all filings made on or after November 5, 2018. Given the effective date and the proximity to most filers' quarterly reports, the SEC is not objecting to filers deferring the presentation of changes in shareholders' equity in their Forms 10-Q until the quarter that begins after the date of adoption, November 5, 2018. We plan to present the interim changes in shareholders' equity required by SEC Release No. 33-10532 beginning with our first quarter 2019 Form 10-Q.

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Business Combinations

12 Months Ended

Dec. 31, 2018

Business Combinations [Abstract]

Business Combinations

Business Combinations

Our investments in businesses were: (a) $13,244 in 2018, including liabilities assumed of $2,381 and debt issued of $2,402; (b) $13,264 in 2017, including liabilities assumed of $2,713 and debt issued of $3,099; and (c) $4,888 in 2016, including $216 of liabilities assumed and debt issued of $875.

The net assets of the businesses acquired are accounted for under the acquisition method and were recorded at their fair values at the dates of acquisition. The measurement period for purchase price allocations ends as soon as information of the

D. Business Combinations (continued)

facts and circumstances becomes available, but does not exceed one year from the acquisition date. On November 30, 2018, we finalized the acquisition of Kerr Environmental, for which purchase accounting entries related to fixed assets, intangible assets and goodwill have not yet been finalized as of December 31, 2018.

The Company’s intangible assets consist of tradenames, non-competition agreements and customer relationships. The tradenames and customer relationships intangible assets were assigned an average seven-year useful life, and the non-competition agreements were assigned an average five-year useful life.

The excess of the purchase price over the estimated fair values of the net assets acquired was recorded as an increase in goodwill of approximately $2,840 in 2018 (all of which is deductible for tax purposes), $5,131 in 2017 (all of which is deductible for tax purposes) and $817 goodwill in 2016 (all of which is deductible for tax purposes).

The results of operations of acquired businesses have been included in the consolidated statements of operations beginning as of the effective dates of acquisition. The effect of these acquisitions on our consolidated revenues and results of operations, either individually or in the aggregate, for the years ended December 31, 2018, 2017 or 2016 was not significant.

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Accounts Receivable, Net and Supplemental Balance Sheet Information

12 Months Ended

Dec. 31, 2018

Accounts Receivable, Net and Supplemental Balance Sheet Information [Abstract]

Accounts Receivable, Net and Supplemental Balance Sheet Information

Accounts Receivable, Net and Supplemental Balance Sheet Information

Accounts receivable, net, consisted of the following:

	December 31,
	2018		2017
Accounts receivable	$	158,556	$	143,244
Unbilled receivables	40,671		29,895
	199,227		173,139
Less allowances for doubtful accounts	3,321		4,468
	$	195,906	$	168,671

Unbilled Receivables consist of work-in-process in accordance with the terms of contracts, primarily, with utility services customers.

The following items comprise the amounts included in the balance sheets:

	December 31,
Other current assets	2018		2017
Refundable income taxes	$	1,625	$	587
Other	932		784
Total	$	2,557	$	1,371

	December 31,
Other assets, noncurrent	2018		2017
Assets invested for self-insurance	$	15,379	$	19,422
Investment--cost-method affiliate	1,218		1,218
Deferred income taxes	573		4,815
Other	4,599		3,701
Total	$	21,769	$	29,156

E.    Accounts Receivable, Net and Supplemental Balance Sheet Information (continued)

	December 31,
Accrued expenses	2018		2017
Employee compensation	$	24,086	$	20,794
Accrued compensated absences	9,711		9,267
Self-insured medical claims	3,343		3,193
Customer advances, deposits	1,322		1,672
Income taxes payable	31		3,443
Taxes, other than income	2,546		2,279
Other	3,022		2,168
Total	$	44,061	$	42,816

	December 31,
Other liabilities, noncurrent	2018		2017
Pension and retirement plans	$	6,138	$	14,759
Other	3,987		5,207
Total	$	10,125	$	19,966

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Supplemental Cash Flow Information

12 Months Ended

Dec. 31, 2018

Supplemental Cash Flow Information [Abstract]

Supplemental Cash Flow Information

Supplemental Cash Flow Information

Supplemental cash flow information follows:

	Year Ended December 31,
Supplemental cash flow information	2018			2017			2016
Interest paid	$	6,375		$	5,096		$	4,329
Income taxes paid, net	11,514			10,005			10,578
Noncash transactions:
Debt issued for purchases of businesses	$	2,402		$	3,099		$	875
Detail of acquisitions:
Assets acquired:
Accounts receivable	$	1,311		$	1,753		$	—
Operating supplies	23			—			157
Prepaid expense	89			128			55
Equipment	4,079			1,904			2,485
Other assets	7			52			—
Intangible assets	4,895			4,296			1,374
Goodwill	2,840			5,131			817
Liabilities assumed	(2,381		)	(2,713		)	(216		)
Debt issued for purchases of businesses	(2,402		)	(3,099		)	(875		)
Cash paid	$	8,461		$	7,452		$	3,797

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Identified Intangible Assets and Goodwill, Net

12 Months Ended

Dec. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Identified Intangible Assets and Goodwill, Net [Text Block]

Intangible Assets and Goodwill, Net

The carrying amount of the intangible assets and goodwill acquired in connection with our acquisitions were as follows:

	Weighted-Average Amortization Period (Years)		December 31, 2018				December 31, 2017
			Carrying Amount		Accumulated Amortization		Carrying Amount		Accumulated Amortization
Amortized intangible assets:
Customer lists/relationships	3.6	years	$	25,179	$	18,251	$	21,487	$	16,846
Employment-related	2.8	years	8,133		6,954		7,333		6,624
Tradenames	3.7	years	6,858		5,435		5,978		5,134
Total			40,170		$	30,640	34,798		$	28,604
Less accumulated amortization			30,640				28,604
Intangible assets, net			9,530				6,194
Goodwill			37,971				35,477
			$	47,501			$	41,671

The changes in the carrying amounts of goodwill, by segment, for the years ended December 31, 2018 and December 31, 2017 follow:

	Balance at January 1, 2018		Acquisitions		Translation and Other Adjustments			Balance at December 31, 2018
Utility	$	3,424	$	1,487	$	—		$	4,911
Residential and Commercial	32,053		1,353		(346		)	33,060
Total	$	35,477	$	2,840	$	(346	)	$	37,971

	Balance at January 1, 2017		Acquisitions		Translation and Other Adjustments		Balance at December 31, 2017
Utility	$	3,424	$	—	$	—	$	3,424
Residential and Commercial	26,881		5,131		41		32,053
Total	$	30,305	$	5,131	$	41	$	35,477

Estimated future aggregate amortization expense of intangible assets--The estimated aggregate amortization expense of intangible assets, as of December 31, 2018, in each of the next five years follows:

	Estimated Future Amortization Expense
Year ending December 31, 2019	$	2,197
2020	2,011
2021	1,569
2022	1,339
2023	1,209
Thereafter	1,205
	$	9,530

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Short and Long-Term Debt and Commitments Related to Letters of Credit

12 Months Ended

Dec. 31, 2018

Debt Disclosure [Abstract]

Short and Long-Term Debt and Commitments Related to Letters of Credit [Text Block]

Short and Long-Term Debt and Commitments Related to Letters of Credit

Short-term debt consisted of the following:

	December 31,
	2018		2017
Notes payable	$	—	$	149
Current portion of long-term debt	22,514		16,166
	$	22,514	$	16,315

At December 31, 2018, we also had unused short-term lines of credit with several banks totaling $7,097, generally at the banks' prime rate or LIBOR plus a margin adjustment of .75% to 1.50%. Long-term debt consisted of the following:

	December 31,
	2018		2017
Revolving credit facility
Swing-line borrowings	$	2,500	$	—
LIBOR borrowings	91,000		100,000
	93,500		100,000
5.09% Senior unsecured notes	12,000		18,000
3.99% Senior unsecured notes	50,000		—
Term loans	23,176		16,242
	178,676		134,242
Less debt issuance costs	599		725
Less current portion	22,514		16,166
	$	155,563	$	117,351

Revolving Credit Facility and Senior Unsecured Notes--In October 2017, the Company amended and restated its revolving credit facility, as further amended in September 2018, as discussed below. The amended and restated credit agreement, which expires in October 2022, permits borrowings as defined up to $250,000 including a letter of credit sublimit of $100,000 and a swing-line commitment of $25,000. Under certain circumstances, the amount available under the revolving credit facility may be increased to $325,000. The revolving credit facility contains certain affirmative and negative covenants customary for this type of facility and includes financial covenant ratios with respect to a maximum leverage ratio (not to exceed 3.00 to 1.00 with exceptions in case of material acquisitions) and a minimum interest coverage ratio (not less than 3.00 to 1.00), in each case subject to certain further restrictions as described in the Credit Agreement.

On July 22, 2010, we issued $30,000 of 5.09% Senior Unsecured Notes, Series A, due July 22, 2020 (the "5.09% Senior Notes"). The 5.09% Senior Notes were issued pursuant to a Master Note Purchase Agreement (the “Purchase Agreement”), between the Company and the purchasers of the 5.09% Senior Notes. The net proceeds of the 5.09% Senior Notes were used to pay down borrowings under our revolving credit facility.

The 5.09% Senior Notes are equal in right of payment with our revolving credit facility and all other senior unsecured obligations of the Company. Interest is payable semiannually and five equal, annual principal payments commenced on July 22, 2016 (thesixth anniversary of issuance).  The Purchase Agreement contains customary events of default and covenants related to limitations on indebtedness and transactions with affiliates and the maintenance of certain financial ratios.

On September 21, 2018, we issued 3.99% Senior Notes, Series A (the "3.99% Senior Notes"), in the aggregate principal amount of $50,000. The 3.99% Senior Notes are due September 21, 2028.

The 3.99% Senior Notes were issued pursuant to a Note Purchase and Private Shelf Agreement (the “Note Purchase and Shelf Agreement”) between the Company, PGIM, Inc. and the purchasers of the 3.99% Senior Notes. Subsequent series of

I. Short and Long-Term Debt and Commitments Related to Letters of Credit (continued)

promissory notes may be issued pursuant to the 3.99% Senior Note Purchase Agreement (the "Shelf Notes") in an aggregate additional principal amount not to exceed $50,000.

The net proceeds of the 3.99% Senior Notes were used to pay down borrowings under our revolving credit facility.

The 3.99% Senior Notes are equal in right of payment with our revolving credit facility and all other senior unsecured obligations of the Company. Interest is payable semiannually and five equal, annual principal payments of $10,000 commence on September 21, 2024 (thesixth anniversary of issuance).  The Note Purchase and Shelf Agreement contains customary events of default and covenants related to limitations on indebtedness and transactions with affiliates and the maintenance of certain financial ratios. The Company may prepay at any time all, or from time to time any part of, the outstanding principal amount of the 3.99% Senior Notes, subject to the payment of a make-whole amount.

In conjunction with the issuance of the 3.99% Senior Notes, on September 21, 2018, the Company entered into an amendment to its revolving credit facility.

The amendment amended certain provisions and covenants in the credit agreement to generally conform them to the corresponding provisions and covenants in the Note Purchase and Shelf Agreement. The amendment also permitted the Company to incur indebtedness arising under the Note Purchase and Shelf Agreement in an aggregate principal amount not to exceed $75,000, which included the $50,000 of 3.99% Senior Notes, plus an additional $25,000 in Shelf Notes.

As of December 31, 2018, we had unused commitments under the revolving credit facility approximating$153,377 and$96,623committed, which consisted of borrowings of$93,500 and issued letters of credit of$3,123. Borrowings outstanding bear interest, at the Company's option, of either (a) the base rate or (b) LIBOR plus a margin adjustment ranging from .875% to 1.50%--with the margin adjustments in both instances based on the Company's leverage ratio at the time of borrowing. The base rate is the greater of (i) the agent bank’s prime rate, (ii) LIBOR plus 1.5%, or (iii) the federal funds rate plus .5%. A commitment fee ranging from .10% to .225% is also required based on the average daily unborrowed commitment.

Term loans--Periodically, the company will enter into term loans for the procurement of insurance or to finance acquisitions.

Term Loans, Weighted-Average Interest Rate--The weighted-average interest on the term loans approximated 4.28% at December 31, 2018 and 3.56% at December 31, 2017.

Aggregate Maturities of Long-Term Debt--Aggregate maturities of long-term debt for the five years subsequent to December 31, 2018 were as follows: 2019--$22,514; 2020--$7,569; 2021--$5,093; 2022--$93,500; 2023--$0; and thereafter $50,000.

Accounts Receivable Securitization Facility--In May 2018, Davey Tree amended its Accounts Receivable Securitization Facility (the “AR securitization facility”), to extend the scheduled termination date for an additional one-year period, to May 6, 2019. In addition, for purposes of determining events of default, the Days' Sales Outstanding calculation was amended to include the most recent six fiscal months. The prior calculation was based on the most recent three fiscal months.

Under the AR Securitization program, Davey Tree transfers by selling or contributing current and future trade receivables to a wholly-owned, bankruptcy-remote financing subsidiary which pledges a perfected first priority security interest in the trade receivables--equal to the issued letters of credit ("LCs") as of December 31, 2018--to the bank in exchange for the bank issuing LCs.

Fees payable to the bank include: (a) an LC issuance fee, payable on each settlement date, in the amount of .90% per annum on the aggregate amount of all LCs outstanding plus outstanding reimbursement obligations (e.g., arising from drawn LCs), if any, and (b) an unused LC fee, payable monthly, equal to (i) .35% per annum for each day on which the sum of the total LCs outstanding plus any outstanding reimbursement obligations is greater than or equal to 50% of the facility limit and (ii) .45% per annum for each day on which the sum of the total LCs outstanding plus any outstanding reimbursement obligations is less than 50% of the facility limit. If an LC is drawn and the bank is not immediately reimbursed in full for the drawn amount, any outstanding reimbursement obligation will accrue interest at a per annum rate equal to a reserve-adjusted LIBOR or, in certain circumstances, a base rate equal to the higher of (i) the bank’s prime rate and (ii) the federal funds rate plus .50% and,

I. Short and Long-Term Debt and Commitments Related to Letters of Credit (continued)

following any default, 2.00% plus the greater of (a) adjusted LIBOR and (b) a base rate equal to the higher of (i) the bank’s prime rate and (ii) the federal funds rate plus .50%.

The agreements underlying the AR securitization facility contains various customary representations and warranties, covenants, and default provisions which provide for the termination and acceleration of the commitments under the AR securitization facility in circumstances including, but not limited to, failure to make payments when due, breach of a representation, warranty or covenant, certain insolvency events or failure to maintain the security interest in the trade receivables, and defaults under other material indebtedness.

The AR Securitization program has a limit of $100,000, of which $67,438 was issued for letters of credit as of December 31, 2018.

Total Commitments Related to Issued Letters of Credit--As of December 31, 2018, total commitments related to issued letters of credit were $72,565, of which $3,123 were issued under the revolving credit facility, $67,438 were issued under the AR securitization facility and $2,004 were issued under short-term lines of credit. As of December 31, 2017, total commitments related to issued letters of credit were $63,242, of which $3,088 were issued under the revolving credit facility, $58,150 were issued under the AR securitization facility and $2,004 were issued under short-term lines of credit.

As of December 31, 2018, we are in compliance with all debt covenants.

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Self-Insurance Accruals

12 Months Ended

Dec. 31, 2018

Self-Insurance Accruals [Abstract]

Self-Insurance Accruals [Text Block]

Self-Insurance Accruals

Components of our self-insurance accruals for workers’ compensation, vehicle liability and general liability follow:

	December 31,
	2018		2017
Workers' compensation	$	41,577	$	40,764
Present value discount	3,099		2,346
	38,478		38,418
Vehicle liability	13,342		5,536
General liability	31,965		23,740
Total	83,785		67,694
Less current portion	27,434		23,782
Noncurrent portion	$	56,351	$	43,912

The changes in our self-insurance accruals and the discount rate used for the workers’ compensation accrual are summarized in the table below.

	December 31,
	2018			2017
Balance, beginning of year	$	67,694		$	62,838
Provision for claims	51,685			34,884
Payment of claims	(35,594		)	(30,028		)
Balance, end of year	$	83,785		$	67,694
Workers' compensation discount rate	2.50		%	2.00		%

The increase in the provision for claims primarily relates to increases for certain vehicle and general liability claims that are anticipated to settle in the future at or near our retention levels.

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Lease Obligations

12 Months Ended

Dec. 31, 2018

Leases [Abstract]

Lease Obligations [Text Block]

Lease Obligations

Assets acquired under capital leases and included in property and equipment consisted of the following:

	December 31,
	2018		2017
Equipment	$	6,534	$	3,481
Less accumulated amortization	1,797		805
	$	4,737	$	2,676

We also lease facilities under noncancelable operating leases, which are used for district office and warehouse operations and equipment used in operations. These leases extend for varying periods of time up to five years and, in some cases, contain renewal options. Minimum rental commitments under all capital and noncancelable operating leases, as of December 31, 2018, were as follows:

	Lease Obligations
Minimum lease obligations	Capital		Operating
Year ending December 31, 2019	$	1,426	$	14,023
2020	1,371		11,272
2021	1,183		7,712
2022	272		5,129
2023	71		2,060
2024 and after	—		1,923
Total minimum lease payments	4,323		$	42,119
Amounts representing interest	116
Present value of net minimum lease payments	4,207
Less current portion	1,345
Long-term capital lease obligations, December 31, 2018	$	2,862

Total rent expense under all operating leases was $9,594 in 2018, $7,998 in 2017 and $7,536 in 2016.

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Common Shares, Redeemable Common Shares and Preferred Shares

12 Months Ended

Dec. 31, 2018

Equity [Abstract]

Common Shares, Redeemable Common Shares and Preferred Shares [Text Block]

Common Shares, Redeemable Common Shares and Preferred Shares

We have given retroactive consideration to the two-for-one stock split of our common shares effective June 1, 2017 including all common share and per share data.

Preferred Shares--We have authorized a class of 4,000,000 preferred shares, no par value, of which none were issued as of December 31, 2018.

Redeemable Common Shares-Our Davey 401KSOP and ESOP Plan includes a put option for shares of the Company’s common stock distributed from the plan. Due to the Company’s obligation under the put option, shares held in the Davey 401KSOP and ESOP Plan as well as distributed shares subject to the put option are reclassified from permanent equity to temporary equity. The number of redeemable common shares for each of the three years in the period ended December 31, 2018 was as follows: 2018--5,642,154; 2017--6,467,027; and 2016--7,056,904.

Common Shares--The number of common shares authorized is 48,000,000, par value $1.00. The number of common shares issued during each of the three years in the period ended December 31, 2018 was as follows: 2018--37,271,606; 2017--36,446,890 and 2016--35,856,856. The number of shares in the treasury for each of the three years in the period ended December 31, 2018 was as follows: 2018--20,033,108; 2017--18,692,901; and 2016--17,990,620.

L. Common Shares, Redeemable Common Shares and Preferred Shares (continued)

Our common and redeemable common shares are not listed or traded on an established public trading market, and market prices are, therefore, not available. Semiannually, an independent stock valuation firm determines the fair market value of our common and redeemable common shares based upon our performance and financial condition. Since 1979, we have provided a ready market for all shareholders through our direct purchase of their common shares, although we are under no obligation to do so (other than repurchases pursuant to the put option under the Davey 401KSOP and ESOP Plan, as described in Note N). During 2018, purchases of common shares, both redeemable and common, totaled 2,636,943 shares for $51,116 in cash; we also had direct sales to directors and employees of 17,992 shares for $345, excluding those shares issued through either the exercise of options or the Employee Stock Purchase Plan. We also sold 395,586 shares to our 401(k) plan for $7,647and issued 198,189 shares to participant accounts to satisfy our liability for the 2017 employer match in the amount of $3,785. The liability accrued at December 31, 2018 for the 2018 employer match was $4,126. There were also 348,973 shares purchased during 2018 under the Employee Stock Purchase Plan.

Common and Redeemable Shares Outstanding--The table below reconciles the activity of the common and redeemable shares outstanding:

	Common Shares Net of Treasury Shares		Redeemable Shares		Total
Shares outstanding, December 31, 2016	17,866,236		7,056,904		24,923,140
Shares purchased	(807,718	)	(890,009	)	(1,697,727	)
Shares sold	362,674		300,132		662,806
Stock subscription offering, employee cash purchases	90,645		—		90,645
Options exercised	241,995		—		241,995
Shares outstanding, December 31, 2017	17,753,832		6,467,027		24,220,859
Shares purchased	(1,530,528	)	(1,106,415	)	(2,636,943	)
Shares sold	679,197		281,543		960,740
Stock subscription offering, employee cash purchases	129,245		—		129,245
Options exercised	206,751		—		206,751
Shares outstanding, December 31, 2018	17,238,497		5,642,155		22,880,652

On December 31, 2018, we had 22,880,652 common shares outstanding, employee options exercisable to purchase 889,814 common shares, partially-paid subscription for 690,260 common shares and purchase rights outstanding for 241,236 common shares.

Stock Subscription Offering--Beginning May 2012, the Company offered to eligible employees and nonemployee directors the right to subscribe to common shares of the Company at $9.85 per share in accordance with the provisions of The Davey Tree Expert Company 2004 Omnibus Stock Plan and the rules of the Compensation Committee of the Company's Board of Directors (collectively, the "plan"). The offering period ended on August 1, 2012 and resulted in the subscription of 1,275,428 common shares for $12,563 at $9.85 per share.

Under the plan, a participant in the offering purchasing common shares for an aggregate purchase price of less than $5 had to pay with cash. All participants (excluding Company directors and officers) purchasing $5 or more of the common shares had an option to finance their purchase through a down-payment of at least 10% of the total purchase price and a seven-year promissory note for the balance due with interest at 2%. Payments on the promissory note can be made either by payroll deductions or annual lump-sum payments of both principal and interest.

Common shares purchased under the plan have been pledged as security for the payment of the promissory note and the common shares will not be issued until the promissory note is paid-in-full. Dividends will be paid on all subscribed shares, subject to forfeiture to the extent that payment is not ultimately made for the shares.

L. Common Shares, Redeemable Common Shares and Preferred Shares (continued)

All participants in the offering purchasing in excess of $5 of common shares were granted a "right" to purchase one additional common share at a price of $9.85 per share for every three common shares purchased under the plan. As a result of the stock subscription, employees were granted rights to purchase 423,600 common shares. Each right may be exercised at the rate of one-seventh per year and will expire seven years after the date that the right was granted. Employees may not exercise a right should they cease to be employed by the Company.

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Accumulated Other Comprehensive Income (Loss)

12 Months Ended

Dec. 31, 2018

Equity [Abstract]

Accumulated other comprehensive income (loss)

Accumulated Other Comprehensive Income (Loss)

Comprehensive income (loss) is comprised of net income and other adjustments that relate to foreign currency translation adjustments and defined benefit pension plan adjustments. We do not provide income taxes on currency translation adjustments, as the earnings of our Canadian operations are considered to be indefinitely reinvested.

The following summarizes the components of other comprehensive income (loss) accumulated in shareholders’ equity:

	Foreign Currency Translation Adjustments			Defined Benefit Pension Plans			Accumulated Other Comprehensive Income (Loss)
Balance at January 1, 2016	$	(6,244	)	$	(7,150	)	$	(13,394	)
Unrealized gains (losses)	744			—			744
Amounts reclassified from accumulated other comprehensive income (loss)	—			2,844			2,844
Tax effect	—			(1,137		)	(1,137		)
Unrecognized amounts from defined benefit pension plans	—			(2,032		)	(2,032		)
Tax effect	—			813			813
Net of tax amount	744			488			1,232
Balance at December 31, 2016	$	(5,500	)	$	(6,662	)	$	(12,162	)
Unrealized gains (losses)	2,195			—			2,195
Amounts reclassified from accumulated other comprehensive income (loss)	—			4,822			4,822
Tax effect	—			(1,962		)	(1,962		)
Unrecognized amounts from defined benefit pension plans	—			(2,169		)	(2,169		)
Tax effect	—			883			883
Net of tax amount	2,195			1,574			3,769
Balance at December 31, 2017	$	(3,305	)	$	(5,088	)	$	(8,393	)
Unrealized gains (losses)	(2,514		)	—			(2,514		)
Amounts reclassified from accumulated other comprehensive income (loss)	—			6,291			6,291
Tax effect	—			(145		)	(145		)
Unrecognized amounts from defined benefit pension plans	—			(279		)	(279		)
Tax effect	—			6			6
Net of tax amount	(2,514		)	5,873			3,359
Balance at December 31, 2018	$	(5,819	)	$	785		$	(5,034	)

The amounts reclassified from accumulated other comprehensive income (loss) related to defined benefit pension plans for 2018, 2017 and 2016 are included in net periodic pension expense classified in the statement of operations as general and administrative or other income (expense).

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The Davey 401KSOP and Employee Stock Ownership Plan

12 Months Ended

Dec. 31, 2018

Retirement Benefits [Abstract]

The Davey 401KSOP and Employee Stock Ownership Plan

The Davey 401KSOP and Employee Stock Ownership Plan

On March 15, 1979, we consummated a plan, which transferred control of the Company to our employees. As a part of this plan, we initially sold 120,000 common shares (presently, 23,040,000 common shares adjusted for stock splits) to our Employee Stock Ownership Trust (“ESOT”) for $2,700. The Employee Stock Ownership Plan (“ESOP”), in conjunction with the related ESOT, provided for the grant to certain employees of certain ownership rights in, but not possession of, the common shares held by the trustee of the ESOT. Annual allocations of shares have been made to individual accounts established for the benefit of the participants.

Defined Contribution and Savings Plans--Most employees are eligible to participate in The Davey 401KSOP and ESOP. Effective January 1, 1997, the plan commenced operations and retained the existing ESOP participant accounts and incorporated a deferred savings plan (a "401(k) plan") feature. Participants in the 401(k) plan are allowed to make before-tax contributions, within Internal Revenue Service established limits, through payroll deductions. Effective January 1, 2009, we match, in either cash or our common shares, 100% of the first one percent and 50% of the next three percent of each participant's before-tax contribution, limited to the first four percent of the employee's compensation deferred each year. All nonbargaining domestic employees who attained age 21 and completed one year of service are eligible to participate. In May 2004, we adopted the 401K Match Restoration Plan, a defined contribution plan that supplements the retirement benefits of certain employees that participate in the savings plan feature of The Davey 401KSOP and ESOP Plan, but are limited in contributions because of tax rules and regulations.

The Davey 401KSOP and ESOP Plan includes a put option for shares of the Company’s common stock distributed from the plan. Shares are distributed from the Davey 401KSOP and ESOP Plan to former participants of the plan, their beneficiaries, donees or heirs (each, a “participant”). Since our common stock is not currently traded on an established securities market, if the owners of distributed shares desire to sell their shares, the Company is required to purchase the shares at fair value for two60-day periods after distribution of the shares from the Davey 401KSOP and ESOP. The fair value of distributed shares subject to the put option totaled $6,288 and $3,843 as of December 31, 2018 and December 31, 2017, respectively. The fair value of the shares held in the Davey 401KSOP and ESOP totaled $112,761 and $119,677 as of December 31, 2018 and December 31, 2017, respectively. Due to the Company’s obligation under the put option, the distributed shares subject to the put option and the shares held in the Davey 401KSOP and ESOP (collectively referred to as 401KSOP and ESOP related shares) are classified as temporary equity in the mezzanine section of the consolidated balance sheets and totaled $119,049 and $123,520 as of December 31, 2018 and December 31, 2017, respectively. Changes in the fair value of the Davey 401KSOP and ESOP Plan related shares are reflected in retained earnings while net share activity associated with the Davey 401KSOP and ESOP Plan related shares are first reflected in additional paid-in capital and then retained earnings if additional paid in-capital is insufficient.

Total compensation for these plans, consisting primarily of the employer match, was $4,053 in 2018, $3,794 in 2017, and $3,661 in 2016.

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Stock-Based Compensation

12 Months Ended

Dec. 31, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Stock-Based Compensation

Stock-Based Compensation

Our shareholders approved the 2014 Omnibus Stock Plan (the “2014 Stock Plan”) at our annual meeting of shareholders on May 20, 2014. The 2014 Stock Plan replaced the expired 2004 Omnibus Stock Plan (the “2004 plan”) previously approved by the shareholders in 2004. The 2014 Stock Plan is administered by the Compensation Committee of the Board of Directors and will remain in effect for ten years. All directors of the Company and employees of the Company and its subsidiaries are eligible to participate in the 2014 Stock Plan. The 2014 Stock Plan (similar to the 2004 plan) continues the maintenance of the Employee Stock Purchase Plan, as well as provisions for the grant of stock options and other stock-based incentives. The 2014 Stock Plan provides for the grant of five percent of the number of the Company’s common shares outstanding as of the first day of each fiscal year plus the number of common shares that were available for grant of awards, but not granted, in prior years. In no event, however, may the number of common shares available for the grant of awards in any fiscal year exceed ten percent of the common shares outstanding as of the first day of that fiscal year. Common shares subject to an

O. Stock-Based Compensation (continued)

award that is forfeited, terminated, or canceled without having been exercised are generally added back to the number of shares available for grant under the 2014 Stock Plan.

Stock-based compensation expense under all share-based payment plans—our Employee Stock Purchase Plan, stock option plans, stock-settled stock appreciation rights, and performance-based restricted stock units—included in the results of operations follows:

	Year Ended December 31,
	2018		2017		2016
Compensation expense, all share-based payment plans	$	3,370	$	4,049	$	2,811
Income tax benefit	602		1,315		823

Stock-based compensation consisted of the following:

Employee Stock Purchase Plan--Under the Employee Stock Purchase Plan, all full-time employees with one year of service are eligible to purchase, through payroll deduction, common shares. Employee purchases under the Employee Stock Purchase Plan are at 85% of the fair market value of the common shares--a 15% discount. Compensation costs are recognized as payroll deductions are made. The 15% discount of total shares purchased under the plan resulted in compensation cost recognized of $998 in 2018, $888 in 2017 and $727 in 2016.

Stock Options Plan--The stock options outstanding were awarded under a graded vesting schedule, measured at fair value, and have a term of ten years. Compensation costs for stock options are recognized over the requisite service period on the straight-line recognition method. Compensation cost recognized for stock options was $663 in 2018, $705 in 2017 and $596 in 2016.

Stock-Settled Stock Appreciation Rights--During the year ended December 31, 2018, the Compensation Committee of the Board of Directors awarded 121,243 Stock-Settled Stock Appreciation Rights (“SSARs”) to certain management employees which vest ratably over five years. A stock-settled stock appreciation right is an award that allows the recipient to receive common stock equal to the appreciation in the fair market value of our common stock between the date the award was granted and the conversion date of the shares vested.

The following table summarizes the SSARs as of December 31, 2018: 

Stock-Settled Stock Appreciation Rights	Number of Rights		Weighted- Average Award Date Value		Weighted- Average Remaining Contractual Life	Unrecognized Compensation Cost		Aggregate Intrinsic Value
Unvested, January 1, 2018	448,180		$	3.10
Granted	121,243		3.84
Forfeited	—		—
Vested	(188,441	)	2.93
Unvested, December 31, 2018	380,982		$	3.42	2.4 years	$	924	$	7,505

Compensation costs for SSARs are determined using a fair-value method and amortized over the requisite service period. Compensation expense for SSARs totaled $540 in 2018, $1,035 in 2017 and $591 in 2016.

O. Stock-Based Compensation (continued)

Restricted Stock Units--During the year ended December 31, 2018, the Compensation Committee of the Board of Directors awarded 31,738 performance-based restricted stock units ("PRSUs") to certain management employees and 13,188 restricted stock units ("RSUs") to nonemployee directors. The Compensation Committee made similar awards in prior periods. The awards vest over specified periods. The following table summarizes restricted stock units as of December 31, 2018:

Restricted Stock Units	Number of Stock Units		Weighted- Average Grant Date Value		Weighted- Average Remaining Contractual Life	Unrecognized Compensation Cost		Aggregate Intrinsic Value
Unvested, January 1, 2018	290,666		$	14.41
Granted	44,926		18.55
Forfeited	—		—
Vested	(87,754	)	12.94
Unvested, December 31, 2018	247,838		$	15.68	1.9 years	$	1,727	$	4,882
Employee PRSUs	209,186		$	15.40	2.2 years	$	1,401	$	4,121
Nonemployee Director RSUs	38,652		$	17.17	1.3 years	$	326	$	761

Compensation cost for awards is determined using a fair-value method, amortized over the requisite service period. “Intrinsic value” is defined as the amount by which the fair market value of a common share of stock exceeds the exercise price of a performance-based restricted stock unit. Compensation expense on restricted stock unit awards totaled $1,169 in 2018, $1,421 in 2017 and $897 in 2016.

The fair value of each award was estimated on the date of grant using a binomial option-pricing model. The binomial model considers a range of assumptions related to volatility, risk-free interest rate and employee exercise behavior. Expected volatilities utilized in the binomial model are based on historical volatility of our share prices and other factors. Similarly, the dividend yield is based on historical experience and expected future changes. The binomial model also incorporates exercise and forfeiture assumptions based on an analysis of historical data. The expected life of the stock-based awards is derived from the output of the binomial model and represents the period of time that awards granted are expected to be outstanding.

The fair values of stock-based awards granted were estimated at the dates of grant with the following weighted-average assumptions:

	Year Ended December 31,
	2018		2017		2016
Volatility rate	10.1	%	10.3	%	10.6	%
Risk-free interest rate	2.7	%	2.2	%	1.8	%
Expected dividend yield	.7	%	.7	%	.7	%
Expected life of awards (years)	9.2		8.9		9.5

O. Stock-Based Compensation (continued)

General Stock Option Information--The following table summarizes activity under the stock option plans for the year ended December 31, 2018:

Stock Options	Number of Options Outstanding		Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Life	Unrecognized Compensation Cost		Aggregate Intrinsic Value
Outstanding, January 1, 2018	1,528,615		$	13.05
Granted	143,250		19.10
Exercised	(147,321	)	9.93
Forfeited	(58,280	)	13.29
Outstanding, December 31, 2018	1,466,264		$	13.94	5.9 years	$	1,393	$	8,446
Exercisable, December 31, 2018	889,814		$	11.79	4.7 years			$	7,037

“Intrinsic value” is defined as the amount by which the market price of a common share of stock exceeds the exercise price of an option. Information regarding the stock options outstanding at December 31, 2018 is summarized below:

Stock Options  Exercise Price		Number Outstanding	Weighted-Average Remaining Contractual Life	Weighted- Average Exercise Price		Number Exercisable	Weighted- Average Exercise Price
Employee options:
$	8.00	88,413	0.8 years	$	8.00	88,413	$	8.00
8.30		107,000	1.8 years	8.30		107,000	8.30
11.60		270,414	4.5 years	11.60		270,414	11.60
13.20		284,822	5.5 years	13.20		211,422	13.20
15.05		219,965	6.5 years	15.05		112,765	15.05
16.35		230,800	7.5 years	16.35		77,800	16.35
17.60		129,300	8.5 years	17.60		22,000	17.60
19.10		135,550	9.5 years	19.10		—	19.10
		1,466,264	5.9 years	$	13.94	889,814	$	11.79

We issue common shares from treasury upon the exercise of stock options, stock-settled stock appreciation rights, performance-based restricted stock units or purchases under the Employee Stock Purchase Plan.

Tax Benefits of Stock-Based Compensation--Our total income tax benefit from share-based awards--as recognized in our consolidated statement of operations--for the last three years was: $602 in 2018, $1,315 in 2017, and $823 in 2016. Tax benefits for share-based awards are accrued as stock compensation expense and recognized in our consolidated statement of operations. Tax benefits on share-based awards are realized when: (a) stock-settled stock appreciation rights are exercised; (b) performance-based restricted stock units vest; and (c) stock options are exercised.

When actual tax benefits realized exceed the tax benefits accrued for share-based awards, we realize an excess tax benefit. We had excess tax benefits of: $453 in 2018, $691 in 2017, and $1,113 in 2016.

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Defined Benefit Pension Plans

12 Months Ended

Dec. 31, 2018

Retirement Benefits [Abstract]

Defined Benefit Pension Plans

Defined Benefit Pension Plans

We have defined benefit pension plans covering certain current and retired U.S. employees. Plans include: (i) the Employee Retirement Plan (“ERP”) for employees hired prior to January 1, 2009; (ii) a Supplemental Executive Retirement Plan (“SERP”) for which future benefit accruals were frozen effective at the end of the second quarter 2015; and (iii) a Benefit Restoration Pension Plan (“Restoration Plan”) for certain key employees hired prior to January 1, 2009.

Both the SERP and the Restoration Plan are defined benefit plans under which nonqualified supplemental pension benefits will be paid in addition to amounts paid under our qualified retirement defined benefit pension plans, which are subject to Internal Revenue Service limitations on covered compensation.

Effective December 31, 2008, enhanced benefits were implemented to our defined contribution savings plan--The Davey 401KSOP and ESOP--at which time, the Board of Directors approved an amendment to freeze the ERP and the Restoration Plan. The ERP was closed to new participants after December 2008. In connection with the freeze of the ERP, the Restoration Plan and the SERP, (a) benefits currently being paid to retirees continue and (b) benefits accrued through December 31, 2008 for employees covered by the ERP were not affected. All ERP, Restoration Plan and SERP balances remain intact and participant account balances, as well as service credits for vesting and retirement eligibility, remain intact and continue in accordance with the terms of the plans. Only future accruals were eliminated with: (i) the 2008 freeze of the ERP and Restoration Plan and (ii) the 2015 freeze of the SERP.

The change in benefit obligations and the fair value of plans assets follows:

	December 31,
	2018			2017
Change in benefit obligation
Projected benefit obligation at beginning of year	$	19,403		$	24,833
Service cost	400			530
Interest cost	718			1,002
Actuarial (gains)/losses	(77		)	1,865
Amendments	—			—
Settlements	(13,118		)	(8,400		)
Benefits paid	(262		)	(427		)
Projected benefit obligation at end of year	$	7,064		$	19,403
Accumulated benefit obligation at end of year	$	7,064		$	19,403

	December 31,
	2018			2017
Change in fair value of plan assets
Fair value of plan assets at beginning of year	$	7,105		$	11,509
Actual return on plan assets	239			845
Plan expenses, including PBGC premiums	(364		)	(513		)
Employer contributions	10,158			4,091
Settlements	(13,118		)	(8,400		)
Benefits paid	(262		)	(427		)
Fair value of plan assets at end of year	$	3,758		$	7,105

The settlements in the change in benefit obligation and in the change in fair value of plan assets arise from: (i) lump sum offering to 905 participants in our ERP plan during the fourth quarter 2018 as part of our plan termination process; and (ii) a purchase of a guaranteed group annuity contract during the fourth quarter 2017 from a third-party insurance company which

P. Defined Benefit Pension Plans (continued)

unconditionally and irrevocably guarantees the full payment of all annuity payments to a combination of participants currently receiving benefits or entitled to future benefits from the ERP plan.

	December 31,
	2018			2017
Funded status of the plans
Fair value of plan assets	$	3,758		$	7,105
Projected benefit obligation	7,064			19,403
Funded status of the plans	$	(3,306	)	$	(12,298	)
	December 31,
	2018			2017
Funded status by plan
ERP	$	(332	)	$	(9,084	)
SERP	(2,564		)	(2,759		)
Restoration Plan	(410		)	(455		)
	$	(3,306	)	$	(12,298	)

	December 31,
	2018			2017
Amounts reported in the consolidated balance sheets
Current liability	$	(187	)	$	(175	)
Noncurrent liability	(3,119		)	(12,123		)
Funded status of the plans	$	(3,306	)	$	(12,298	)

Amounts included in accumulated other comprehensive income (loss), related to our defined benefit pension plans follow:

	At December 31, 2018					At December 31, 2017
	Pretax		Net of Tax			Pretax		Net of Tax
Amounts reported in accumulated other comprehensive income
Unrecognized net actuarial loss	$	2,139	$	(714	)	$	8,086	$	4,919
Unrecognized prior service cost	214		(71		)	278		169
	$	2,353	$	(785	)	$	8,364	$	5,088

To the extent actuarial losses exceed the greater of 10% of the projected benefit obligation or market-related value of plan assets, the unrecognized actuarial losses will be amortized straight-line on a plan-by-plan basis, over the remaining expected future working lifetime of active participants, except for the SERP, which, after the plan freeze, is being amortized based on the remaining life expectancy of plan participants. The total amount of unrecognized prior service cost was amortized straight-line on a plan-by-plan basis.

P.    Defined Benefit Pension Plans (continued)

The total amortization associated with these amounts that is expected to be recognized in net periodic benefit expense for 2019 follows: 

	Year ending December 31, 2019
	Pretax		Net of Tax
Amortization of Costs Expected to be Recognized Next Year
Unrecognized net actuarial loss	$	175	$	131
Unrecognized prior service cost	64		48
	$	239	$	179

The aggregate projected benefit obligation, accumulated benefit obligation and fair value of plan assets for plans in which the fair value of plan assets is less than either the projected benefit obligation or accumulated benefit obligation follow:

	December 31,
	2018		2017
For pension plans with accumulated benefit obligations in excess of plan assets
Projected benefit obligation	$	7,064	$	19,403
Accumulated benefit obligation	7,064		19,403
Fair value of plan assets	3,758		7,105

The actuarial assumptions follow. The discount rates were used to measure the year-end benefit obligation and compute pension expense for the subsequent year.

	December 31,
	2018		2017		2016
Actuarial assumptions
Discount rate	4.35	%	3.70	%	4.20	%
Expected long-term rate of return on plan assets	2.50		2.50		5.00

Net periodic benefit expense (income) associated with the defined benefit pension plans included the following components:

	Year Ended December 31,
	2018			2017			2016
Components of pension expense (income)
Service costs--increase in benefit obligation earned	$	400		$	530		$	370
Interest cost on projected benefit obligation	718			1,002			1,243
Expected return on plan assets	(231		)	(638		)	(1,044		)
Curtailment loss	—			—			—
Settlement loss	5,499			3,849			2,346
Amortization of net actuarial loss	728			909			951
Amortization of prior service cost	64			64			—
Net pension expense of defined benefit pension plans	$	7,178		$	5,716		$	3,866

P. Defined Benefit Pension Plans (continued)

Investment Strategy and Risk Management for Plan Assets--Our investment strategy is to manage the plan assets in order to pay retirement benefits to plan participants while minimizing our cash contributions over the life of the plans. This is accomplished by maintaining liquidity and preserving principal through diversification in high-quality investments through the use of investment managers and mutual funds. Performance of all investment managers and mutual funds is monitored quarterly and evaluated over rolling three-to-five year periods.

In December 2017, we revised our investment policy to reallocate 100% of our plan assets into the fixed income and cash asset class from the prior target allocations of: (a) equities of a minimum 20% to a maximum of 40%; (b) fixed income and cash of a minimum 50% to a maximum of 70%; and, (c) alternative investments of a minimum of zero to a maximum of 15%. The purpose of the fixed income asset class is to provide a deflation hedge, to reduce the overall volatility of plan assets and to produce current income in support of the needs of the plan.

Fixed income assets can be invested in U.S. government and prime money market funds, U.S. Treasuries, insured certificates of deposit and U.S. investment grade corporates of at least "A" or better quality and other high-quality debt securities. Other than investments in U.S. government or government agencies, no single debt issue will be allowed to exceed 5% market value of the debt portfolio. Short-selling, securities lending, financial futures, margins, options, and derivatives are not used. Investments in nonmarketable securities, commodities, or direct ownership of real estate are prohibited.

Rate-of-return-on-assets assumptions are made based on the mix of assets according to our investment policy. Given the reallocation of plan assets into the fixed income and cash asset class, the overall expected long-term rate-of-return-on-plan assets net of investment manager fees as at December 31, 2018, was 2.50%.

Plan Assets--The fair values of our pension plan assets at December 31, 2018 by asset category, using the three-level hierarchy of fair value inputs, were as follows:

			Fair Value Measurements at December 31, 2018 Using:
Description	Total Carrying Value at December 31, 2018		Quoted prices in active markets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Asset Category
Money market funds	$	3,758			$	3,758	$	—
U.S. large-cap equities
Growth	—				—		—
Value	—				—		—
U.S. small/mid-cap equities
Growth	—				—		—
Value	—				—		—
International equities
Growth	—				—		—
Value	—				—		—
Fixed income	—				—		—
Multiclass world-allocation mutual funds	—				—		—
	$	3,758	$	—	$	3,758	$	—

P. Defined Benefit Pension Plans (continued)

The fair values of our pension plan assets at December 31, 2017 by asset category, using the three-level hierarchy of fair value inputs, were as follows:

			Fair Value Measurements at December 31, 2017 Using:
Description	Total Carrying Value at December 31, 2017		Quoted prices in active markets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Asset Category
Money market funds	$	897	$	—	$	897	$	—
U.S. large-cap equities
Growth	576		576		—		—
Value	542		542		—		—
U.S. small/mid-cap equities
Growth	246		246		—		—
Value	247		247		—		—
International equities
Growth	376		376		—		—
Value	366		366		—		—
Fixed income	3,070		3,070		—		—
Multiclass world-allocation mutual funds	785		785		—		—
	$	7,105	$	6,208	$	897	$	—

Within the pension plan asset categories, the Level 1 investments are publicly traded in active markets and are valued using the net asset value or closing price of the investment at the measurement date. Securities held by a money market fund are generally high quality and liquid; however, they are reflected as Level 2 because the inputs used to determine fair value are not quoted prices in an active market.

Expected Benefit Plan Contributions--It is our practice to make contributions to comply with the minimum funding requirements of ERISA. In accordance with such practice, contributions totaling $191 are required for 2019; however, we may make additional discretionary contributions.

Expected Benefit Plan Payments--The benefits, as of December 31, 2018, expected to be paid to defined-benefit plan participants in each of the next five years, and in the aggregate for the five years thereafter, follows:

	Participants Benefits
Estimated future payments
Year ending December 31, 2019	$	356
2020	379
2021	384
2022	386
2023	389
Years 2024 to 2028	1,986

Multiemployer Defined Benefit Pension Plans--In providing services to our utility services customers, we contribute to multiemployer defined benefit pension plans under the terms of collective-bargaining agreements that cover certain of our union-represented employees.

P. Defined Benefit Pension Plans (continued)

These plans generally provide retirement benefits to participants based on their service to contributing employers. We do not administer these multiemployer plans. In general, these plans are managed by a board of trustees with the unions appointing certain trustees and other contributing employers of the plan appointing certain members. We generally are not represented on the board of trustees.

The risks of participating in these multiemployer plans are different from single-employer plans in that: (a) assets contributed to the multiemployer plan by one employer may be used to provide benefits to employees of other participating employers; (b) if a participating employer stops contributing to the plan, the unfunded obligations of the plan may be assumed by the remaining participating employers; and, (c) if we choose to stop participating in a multiemployer plan, we may be required to pay the plan an amount based on the underfunded status of the plan, referred to as a withdrawal liability.

Our participation in the multiemployer defined benefit pension plans is summarized in the table below. The “EIN/Pension Plan Number” column provides the Employer Identification Number (“EIN”) and the three-digit plan number. The most recent Pension Protection Act of 2006 (the “PPA”) zone status is from the Form 5500, “Annual Return/Report of Employee Benefit Plan,” filed by the plan and certified by the plan's actuary. The PPA zone status describes plans that are underfunded. Among other factors, plans in the “critical” red zone are generally less than 65% funded; plans in the “endangered” yellow zone are less than 80% funded; and, plans in the “safe” green zone are at least 80% funded.

Pension Fund	EIN/Pension Plan Number	Pension Protection Act Zone Status		FIP/RP Status Pending Implemented	Davey Tree Contributions						Surcharge Imposed	Expiration Dates of Bargaining Agreement
		2018	2017		2018		2017		2016
National Electric Benefit Fund	53-0181657/001	Green	Green	No	$	768	$	785	$	712	No	Ranging from December 31, 2018 to December 31, 2022
Eighth District Electrical Pension Fund	84-6100393/001	Green	Green	No	142		102		90		No	December 26, 2020
					$	910	$	887	$	802

We were not listed in the Form 5500 for either plan as having provided more than 5% of the total contributions.

Both the National Electric Benefit Fund and the Eighth District Electrical Pension Fund are green zone status--safe--which represents at least 80% funded and does not require a “financial improvement plan” (“FIP”) or a “rehabilitation plan” (“RP”).

We are party to ten collective-bargaining agreements with the National Electric Benefit Fund, with expiration dates ranging from December 31, 2018 to December 31, 2022, and one collective-bargaining agreement with Eighth District Electrical Pension Fund which expires on December 26, 2020. Expired agreements are currently being renegotiated.

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Income Taxes

12 Months Ended

Dec. 31, 2018

Income Tax Disclosure [Abstract]

Income Taxes

Income Taxes

On December 22, 2017, the President of the United States (“U.S.”) signed into law the Tax Cuts and Jobs Act (the "Tax Reform Act"), which enacted significant changes to U.S. tax laws. Some of the provisions of the new tax law affecting corporations include, but are not limited to lowering the U.S. corporate income tax rate from 35% to 21% effective January 1, 2018, immediate expensing of certain qualified capital expenditures, implementing a territorial tax system and imposing a one-time transitional toll tax on deferred foreign earnings. In the fourth quarter 2017, the Company recorded the provisional tax effects, including a tax charge of $1,000 due to the remeasurement of deferred tax assets and liabilities and an estimated tax liability of $6,100 due to the transition toll tax on the deemed repatriation of deferred foreign earnings of non-U.S. operations. The Tax Reform Act was the main reason for the reduction of our effective tax rate for the year ended December 31, 2018.

On December 22, 2017, the Securities and Exchange Commission (“SEC”) issued Staff Accounting Bulletin 118 (“SAB 118”). This guidance allowed registrants a “measurement period”, not to exceed one year from the date of enactment, to complete their accounting for the tax effects of the Tax Reform Act. SAB 118 further directed that during the measurement

Q. Income Taxes (continued)

period, registrants who were able to make reasonable estimates for the tax effects of the Tax Reform Act should include those amounts in their financial statements as “provisional” amounts. Registrants were to reflect adjustments over subsequent periods as they were able to refine their estimates and complete their accounting for the tax effects of the Tax Reform Act. The provisional amounts computed by the Company were finalized when the U.S. corporate income tax return for 2017 was filed in September 2018. The change for the provisional amount to the final amount was immaterial.

Other provisions of the Tax Reform Act include a new minimum tax on certain foreign earnings (the Global Intangibles Low-taxed Income, or “GILTI”), a new tax on certain payments to foreign related parties (the Base Erosion Anti-Avoidance tax, or “BEAT”), a new incentive for Foreign-derived Intangibles Income (“FDII”), repealing the deduction for domestic production activities, changes to the limitation on the deductibility of certain executive compensation, and new limitations on the deductibility of interest expense. Generally, the tax effect of these other provisions began for the Company in the year ended December 31, 2018 with no material effect.

Income before income taxes was attributable to the following sources:

	Year Ended December 31,
	2018		2017			2016
United States	$	37,377	$	38,800		$	35,867
Canada	119		(806		)	1,377
Total	$	37,496	$	37,994		$	37,244

The provision for income taxes follows:

	Year Ended December 31,
	2018		2017			2016
Currently payable:
Federal	$	3,165	$	9,914		$	12,216
State	2,290		2,469			2,286
Canadian	50		(262		)	398
Total current	5,505		12,121			14,900
Deferred taxes	4,014		3,753			60
Total taxes on income	$	9,519	$	15,874		$	14,960

A reconciliation of the expected statutory U.S. federal rate to our actual effective income tax rate follows:

	Year Ended December 31,
	2018		2017		2016
Statutory U.S. federal tax rate	21.0	%	35.0	%	35.0	%
State income taxes, net of federal benefit	5.7		4.9		4.0
Effect of Canadian income taxes	.1		.3		(.2	)
Nondeductible expenses	2.1		2.2		2.2
ESOP dividend deduction	(.3	)	(.6	)	(.7	)
Uncertain tax adjustments and audit settlement	(3.8	)	(.2	)	.2
Income tax reform - deferred rate remeasurement	—		2.5		—
All other, net	.6		(2.3	)	(.3	)
Effective income tax rate	25.4	%	41.8	%	40.2	%

Q. Income Taxes (continued)

Deferred income taxes reflect the tax effects of temporary differences between the carrying amount of assets and liabilities for financial reporting purposes and the amounts used for income tax purposes.  A valuation allowance is recorded when it is more-likely-than-not that an income tax benefit will not be realized.

Significant components of our noncurrent net deferred tax assets and liabilities at December 31, were as follows:

	December 31,
	2018		2017
Deferred tax assets:
Self-insurance accruals	$	17,579	$	14,186
Accrued compensated absences	1,565		1,747
Accrued expenses and other liabilities	742		798
Accrued stock compensation	1,772		1,571
Defined benefit pension plans	442		2,289
Foreign tax credit carryforward	2,117		605
Other future deductible amounts, net	3,271		3,661
	27,488		24,857
Less deferred tax asset valuation allowance	1,683		—
	25,805		24,857
Deferred tax liabilities:
Intangibles	1,178		969
Prepaid expenses	3,160		2,300
Property and equipment	20,894		16,773
	25,232		20,042
Net deferred tax assets--noncurrent	$	573	$	4,815

We treat all of our Canadian subsidiary earnings through December 31, 2018 as permanently reinvested and have not provided any U.S. federal or state tax thereon. As of December 31, 2018, approximately $28,856 of undistributed earnings attributable to our Canadian operations was considered to be indefinitely invested. Presently, our intention is to reinvest the earnings permanently.

If, in the future, these earnings are distributed to the U.S. in the form of dividends or otherwise, or if the Company determines such earnings will be remitted in the foreseeable future, the Company would be subject to Canadian withholding taxes. It is not practicable to estimate the amount of taxes that would be payable upon remittance of these earnings given the various tax planning alternatives that we could employ should we decide to repatriate those earnings.

As of December 31, 2018, we recorded a valuation allowance on foreign tax credit carryforwards that arose due to the transition toll tax on the deemed repatriation of deferred foreign earnings of non-U.S. operations due to the Tax Reform Act and the remaining carryforward credits that were generated in 2010. Management presently believes that it is more-likely-than-not that the deferred tax asset, related to the foreign tax credits that expire in 2020 and 2027, will not be fully realized. The criteria considered in making the determination included the ability to utilize tax-planning strategies, historical and projected operating results, and the period of time over which the foreign tax credit can be utilized.

The amount of income taxes that we pay is subject to audit by U.S. federal, state, local and Canadian tax authorities, which may result in proposed assessments. Our estimate for the potential outcome for any uncertain tax issue is highly judgmental. Uncertain tax positions are recognized only if they are more-likely-than-not to be upheld during examination based on their technical merits. The measurement of the uncertain tax position is based on the largest benefit amount that is more-likely-than-not (determined on a cumulative probability basis) to be realized upon settlement of the matter. If payment of these

Q. Income Taxes (continued)

amounts ultimately proves to be unnecessary, the reversal of the liabilities would result in tax benefits being recognized in the period when we determine the liabilities are no longer necessary. If the estimate of tax liabilities proves to be less than the ultimate settlement, a further charge to expense may result.

The balance of unrecognized benefits and the amount of related interest and penalties at December 31, were as follows:

	December 31,
	2018		2017
Unrecognized tax benefits	$	1,325	$	2,581
Portion, if recognized, would reduce tax expense and effective tax rate	599		1,948
Accrued interest on unrecognized tax benefits	35		128

We recognize interest accrued related to unrecognized tax benefits in income tax expense. Penalties, if incurred, would be recognized as a component of income tax expense.

The Company is routinely under audit by U.S. federal, state, local and Canadian authorities in the area of income tax. These audits include questioning the timing and the amount of income and deductions and the allocation of income and deductions among various tax jurisdictions. During 2018, we decreased our unrecognized tax benefits by $1,500 as a result of the proposed settlement of the IRS audits of our 2015 and 2016 U.S. income tax returns. The audit was closed in the third quarter 2018. With the exception of U.S. state jurisdictions and Canada, the Company is no longer subject to examination by tax authorities for the years through 2016. As of December 31, 2018, we believe it is reasonably possible that the total amount of unrecognized tax benefits will not significantly increase or decrease.

The changes in our unrecognized tax benefits are summarized in the table below:

	Year Ended December 31,
	2018			2017			2016
Balance, beginning of year	$	2,581		$	2,532		$	2,557
Additions based on tax positions related to the current year	224			650			402
Additions for tax positions of prior years	20			(21		)	51
Reductions for tax positions of prior years	(1,500		)	—			(39		)
Lapses in statutes of limitations	—			(580		)	(439		)
Balance, end of year	$	1,325		$	2,581		$	2,532

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Earnings Per Share Information

12 Months Ended

Dec. 31, 2018

Earnings Per Share [Abstract]

Earnings Per Share Information

Earnings Per Share Information

Earnings per share is computed as follows (prior periods have been adjusted for the two-for-one stock split of our common shares effective June 1, 2017):

	Year Ended December 31,
	2018		2017		2016
Income available to common shareholders:
Net income	$	27,977	$	22,120	$	22,284
Weighted-average shares:
Basic:
Outstanding	23,698,478		24,793,086		25,378,600
Partially-paid share subscriptions	690,260		764,382		833,440
Basic weighted-average shares	24,388,738		25,557,468		26,212,040
Diluted:
Basic from above	24,388,738		25,557,468		26,212,040
Incremental shares from assumed:
Exercise of stock subscription purchase rights	141,287		146,453		142,746
Exercise of stock options and awards	950,593		993,141		892,568
Diluted weighted-average shares	25,480,618		26,697,062		27,247,354
Share data:
Earnings per share--basic	$	1.15	$	.87	$	.85
Earnings per share--diluted	$	1.10	$	.83	$	.82

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Operations by Business Segment and Geographic Information

12 Months Ended

Dec. 31, 2018

Segment Reporting [Abstract]

Operations by Business Segment and Geographic Information

Operations by Business Segment and Geographic Information

We provide a wide range of arboricultural, horticultural, environmental and consulting services to residential, utility, commercial and government entities throughout the United States and Canada. We have two reportable operating segments organized by type or class of customer: Residential and Commercial, and Utility.

Residential and Commercial--Residential and Commercial provides services to our residential and commercial customers including: the treatment, preservation, maintenance, removal and planting of trees, shrubs and other plant life; the practice of landscaping, grounds maintenance, tree surgery, tree feeding and tree spraying; the application of fertilizer, herbicides and insecticides; and, natural resource management and consulting, forestry research and development, and environmental planning.

Utility--Utility is principally engaged in providing services to our utility customers--investor-owned, municipal utilities, and rural electric cooperatives--including: the practice of line-clearing and vegetation management around power lines, rights-of-way and chemical brush control; and, natural resource management and consulting, forestry research and development and environmental planning.

All other operating activities, including research, technical support and laboratory diagnostic facilities, are included in “All Other.”

Measurement of Segment Profit and Loss and Segment Assets--We evaluate performance and allocate resources based primarily on operating income and also actively manage business unit operating assets. The accounting policies of the reportable segments are the same as those described in the summary of significant accounting policies except that (a) we compute and recognize depreciation expense for our segments only by the straight-line method and (b) state income taxes are allocated to the segments. Corporate expenses are substantially allocated among the operating segments, but the nature of expenses allocated may differ from year-to-year. There are no intersegment revenues.

S. Operations by Business Segment and Geographic Information (continued)

Segment assets are those generated or directly used by each segment, and include accounts receivable, operating supplies, and property and equipment.

Information on reportable segments and reconciliation to the consolidated financial statements follows: 

	Utility Services		Residential Commercial Services		All Other			Reconciling  Adjustments				Consolidated
Fiscal Year 2018
Revenues	$	537,484	$	486,005	$	1,302		$	—			$	1,024,791
Income (loss) from operations	32,370		47,812		(19,816		)	(4,676		)	(a)	55,690
Interest expense								(7,039		)		(7,039		)
Interest income								350				350
Other income (expense), net								(11,505		)		(11,505		)
Income before income taxes												$	37,496
Depreciation	$	29,526	$	21,720	$	—		$	3,668		(b)	$	54,914
Amortization	211		1,842		—			2				2,055
Capital expenditures	32,148		22,256		—			6,006				60,410
Segment assets, total	239,426		208,369		—			78,828			(c)	526,623
Fiscal Year 2017
Revenues	$	466,727	$	446,028	$	3,203		$	—			$	915,958
Income (loss) from operations	18,223		41,158		(2,634		)	(4,556		)	(a)	52,191
Interest expense								(4,886		)		(4,886		)
Interest income								292				292
Other income (expense), net								(9,603		)		(9,603		)
Income before income taxes												$	37,994
Depreciation	$	27,928	$	19,384	$	—		$	3,390		(b)	$	50,702
Amortization	122		2,240		—			22				2,384
Capital expenditures	26,910		23,199		—			6,991				57,100
Segment assets, total	189,662		197,698		—			85,775			(c)	473,135
Fiscal Year 2016
Revenues	$	433,379	$	410,878	$	1,421		$	—			$	845,678
Income (loss) from operations	19,256		36,640		(4,318		)	(2,711		)	(a)	48,867
Interest expense								(4,393		)		(4,393		)
Interest income								255				255
Other income (expense), net								(7,485		)		(7,485		)
Income before income taxes												$	37,244
Depreciation	$	26,855	$	17,198	$	—		$	3,231		(b)	$	47,284
Amortization	135		2,136		—			35				2,306
Capital expenditures	28,660		21,819		—			6,167				56,646
Segment assets, total	171,220		166,858		—			85,861			(c)	423,939

S. Operations by Business Segment and Geographic Information (continued)

Reconciling adjustments from segment reporting to consolidated external financial reporting include unallocated corporate items:

(a) Reconciling adjustments from segment reporting to consolidated external financial reporting include reclassification of depreciation expense and allocation of corporate expenses.

(b) Adjustments to declining-balance method depreciation expense from straight-line method and depreciation and amortization of corporate assets.

(c) Corporate assets include cash, prepaid expenses, corporate facilities, enterprise-wide information systems and other nonoperating assets.

Geographic Information--The following presents revenues and long-lived assets by geographic territory:

	Year Ended December 31,
	2018		2017		2016
Revenues
United States	$	949,317	$	847,540	$	775,870
Canada	75,474		68,418		69,808
	$	1,024,791	$	915,958	$	845,678
	December 31,
	2018		2017		2016
Long-lived assets, net
United States	$	251,181	$	242,118	$	224,727
Canada	20,374		21,893		20,439
	$	271,555	$	264,011	$	245,166

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Revenue Recognition (Notes)

12 Months Ended

Dec. 31, 2018

Revenue Recognition [Abstract]

Revenue from contracts with customers [Text Block]

Revenue Recognition

We account for revenue in accordance with ASC Topic 606, Revenue from Contracts with Customers, which we adopted on January 1, 2018, using the modified retrospective method. See Note C for further discussion of the adoption, including the impact on our 2018 financial statements.

Nature of Performance Obligations and Significant Judgments

At contract inception, the Company assesses the goods and services promised in its contracts with customers and identifies a performance obligation for each promised good or service (or bundle of goods and services) that is distinct. To identify the performance obligations, the Company considers all of the goods or services promised in the contract regardless of whether they are explicitly stated or are implied by customary business practices. A description of our performance obligations is included below.

• Residential and Commercial Services - We provide a wide array of services for our residential and commercial customers including the treatment, preservation, maintenance, removal and planting of trees, shrubs and other plant life, landscaping, grounds maintenance, the application of fertilizer, herbicides and insecticides, natural resource management and consulting, forestry research and development, and environmental planning. A contract with a customer may include only one of these services, all of these services, or a combination of these services. For contracts in which we provide all, or a combination of, these services, we believe that the nature of our promise is to provide an integrated property management service for our customer. In these contracts, the customer has effectively outsourced the care and maintenance of its property grounds to us during the duration of the contract as we are responsible for providing a continuous delivery of outsourced maintenance activities over the contract term. As such,

T. Revenue Recognition (continued)

for contracts that contain a combination of services, we have concluded that we have a single performance obligation, which is accounted for as a series of distinct services.

• Utility Services - We provide a suite of vegetation management or arboricultural services to our utility customers (investor-owned, municipal utilities, and rural electric cooperatives) including the practice of line-clearing and vegetation management around power lines and rights-of-way, chemical brush control, natural resource management and consulting, forestry research and development, and environmental planning. A contract with a customer may include only one of these services, all of these services, or a combination of these services. For contracts in which we provide all, or a combination of, these services, we believe that the nature of our promise is to provide an integrated overall vegetation management service, rather than the performance of discrete activities or services for the customer. As such, for contracts that contain a combination of services, we have concluded that we have a single performance obligation, which is accounted for as a series of distinct services.

Our contracts with our customers generally originate upon the completion of a quote for services for residential and commercial customers or the receipt of a purchase order (or similar work order) for utility customers. In some cases, our contracts are governed by master services agreements, in which case our contract under ASC 606 consists of the combination of the master services agreement and the quote/purchase order. Many of our contracts have a stated duration of one year or less or contain termination clauses that allow the customer to cancel the contract after a specified notice period, which is typically less than 90 days. Due to the fact that many of our arrangements allow the customer to terminate for convenience, the duration of the contract for revenue recognition purposes generally does not extend beyond the services that we have actually transferred. As a result, many of our contracts are, in effect, day-to-day or month-to-month contracts.

Revenue from our residential, commercial, and utility performance obligations is recognized over time as the customer simultaneously receives and consumes the benefits of our services as we perform them. Many of our contracts compensate us based on an agreed upon price for each increment of service provided to the customer. Therefore, revenue is mainly recognized as each increment of service is provided to the customer at the amount that we are contractually entitled to. For contracts that contain a fixed price, we generally use a units-delivered based output method to measure progress. Revenue from our consulting services is also recognized over time and we use a cost-based input method to measure progress. Payment for our services is generally due within 30 days of such services being provided to the customer.

The transaction price for our contracts is determined upon establishment of the contract that contains the final terms of the sale, including the description, quantity, and price of each service purchased. Certain of our contracts contain variable consideration, including index-based pricing, chargebacks, and prompt payment discounts. The Company estimates variable consideration and performs a constraint analysis for these contracts on the basis of both historical information and current trends. However, these types of variable consideration do not have a material effect on the Company’s revenue, either individually or in the aggregate. In addition, although our contracts generally include fixed pricing for each increment of service, the ultimate quantity of services that will be required in order to fulfill our performance obligations is unknown at contract inception. Therefore, our total transaction price ultimately varies based on the quantity and types of services provided to our customer. However, this type of variable consideration is allocated entirely to the distinct services within the series to which it relates.

T. Revenue Recognition (continued)

Disaggregation of Revenue

The following tables disaggregate our revenue for the year endedDecember 31, 2018 by major sources:

Year Ended December 31, 2018	Utility		Residential and Commercial		All Other			Consolidated
Type of service:
Tree and plant care	$	394,481	$	290,940	$	(1,520	)	$	683,901
Grounds maintenance	—		117,498		—			117,498
Storm damage services	13,864		9,447		—			23,311
Consulting and other	129,139		68,120		2,822			200,081
Total revenues	$	537,484	$	486,005	$	1,302		$	1,024,791
Geography:
United States	$	499,242	$	448,773	$	1,302		$	949,317
Canada	38,242		37,232		—			75,474
Total revenues	$	537,484	$	486,005	$	1,302		$	1,024,791

Contract Balances

Our contract liabilities consist of advance payments, billings in excess of costs incurred and deferred revenue. The Company has recognized $1,443 of revenue for the twelve months ended months ended December 31, 2018 that was included in the contract liability balance at December 31, 2017. Net contract liabilities consisted of the following:

	December 31, 2018		December 31, 2017
Contract liabilities - current	$	2,907	$	2,072
Contract liabilities - noncurrent	2,287		2,020
Net contract liabilities	$	5,194	$	4,092

Practical Expedients & Accounting Policy Elections

• Remaining performance obligations - The Company’s contracts for service revenue have an original duration of one year or less. Therefore, because of the short duration of these contracts, the Company has not disclosed the transaction price for the future performance obligations as of the end of each reporting period or when the Company expects to recognize this revenue.

• Incremental costs of obtaining a contract - The Company’s contracts for service revenue have an original duration of one year or less. Therefore, the Company has elected to expense these costs as incurred.

• Right to invoice - For the Company’s contracts in which it has the right to invoice the customer on the basis of actual work performed (i.e., output), the Company has elected to measure the satisfaction of performance obligation(s) on the basis of actual work performed, as the invoiced amount directly corresponds to the value transferred to the customer.

• Sales taxes - The Company has, as an accounting policy election, decided to exclude from the measurement of the transaction price all sales taxes assessed by a governmental authority.

• Significant financing component - The Company’s contracts do not allow for payment terms which exceed one year, and thus need not account for the effects of a significant financing component.

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Fair Value Measurements and Financial Instruments

12 Months Ended

Dec. 31, 2018

Fair Value Disclosures [Abstract]

Fair value measurements and financial instruments

Fair Value Measurements and Financial Instruments

Financial Accounting Standards Board Accounting Standard Codification 820, “Fair Value of Measurements and Disclosures (“Topic 820”)” defines fair value based on the price that would be received to sell an asset or the exit price that would be paid to transfer a liability in an orderly transaction between market participants at the measurement date. Market participants are defined as buyers or sellers in the principal or most advantageous market for the asset or liability that are independent of the reporting entity, knowledgeable and able and willing to transact for the asset or liability.

Valuation Hierarchy--Topic 820 establishes a fair value hierarchy that prioritizes observable and unobservable inputs used to measure fair value. The hierarchy prioritizes the inputs into three broad levels:

Level 1 inputs are quoted prices in active markets for identical assets or liabilities that the entity has the ability to access.

Level 2 inputs are observable inputs other than prices included in Level 1, such as quoted prices for similar assets and liabilities in active markets; quoted prices for identical or similar assets and liabilities in markets that are not active; or other inputs that are observable or can be corroborated with observable market data.

Level 3 inputs are unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets and liabilities. This includes certain pricing models, discounted cash flow methodologies and similar techniques that use significant unobservable inputs.

Our assets and liabilities measured at fair value on a recurring basis at December 31, 2018 and December 31, 2017, were as follows:

			Fair Value Measurements at December 31, 2018 Using:
	Total Carrying Value at		Quoted prices in active markets		Significant other observable inputs		Significant unobservable inputs
Description	December 31, 2018		(Level 1)		(Level 2)		(Level 3)
Assets:
Assets invested for self-insurance, classified as other assets, noncurrent	$	15,379	$	15,379	$	—	$	—
Defined benefit pension plan assets	3,758		—		3,758		—
Liabilities:
Deferred compensation	$	2,459	$	—	$	2,459	$	—

U. Fair Value Measurements and Financial Instruments (continued)

			Fair Value Measurements at December 31, 2017 Using:
	Total Carrying Value at		Quoted prices in active markets		Significant other observable inputs		Significant unobservable inputs
Description	December 31, 2017		(Level 1)		(Level 2)		(Level 3)
Assets:
Assets invested for self-insurance, classified as other assets, noncurrent	$	19,422	$	19,422	$	—	$	—
Defined benefit pension plan assets	7,105		6,208		897		—
Liabilities:
Deferred compensation	$	2,146	$	—	$	2,146	$	—

The estimated fair value of the deferred compensation--classified as Level 2--is based on the value of the Company's common shares, determined by independent valuation.

Fair Value of Financial Instruments--The fair values of our current financial assets and current liabilities, including cash, accounts receivable, accounts payable, and accrued expenses among others, approximate their reported carrying values because of their short-term nature. The assets invested for self-insurance are certificates of deposit and money market funds--classified as Level 1--based on quoted market prices of the identical underlying securities in active markets. Financial instruments classified as noncurrent liabilities and their carrying values and fair values were as follows:

	December 31, 2018				December 31, 2017
	Carrying Value		Fair Value		Carrying Value		Fair Value
Revolving credit facility, noncurrent	$	93,500	$	93,500	$	100,000	$	100,000
Senior unsecured notes	56,000		56,002		12,000		12,389
Term loans, noncurrent	6,662		6,868		7,935		10,038
Total	$	156,162	$	156,370	$	119,935	$	122,427

The carrying value of our revolving credit facility approximates fair value--classified as Level 2--as the interest rates on the amounts outstanding are variable. The fair value of our senior unsecured notes and term loans--classified as Level 2--is determined based on expected future weighted-average interest rates with the same remaining maturities.

Market Risk--In the normal course of business, we are exposed to market risk related to changes in foreign currency exchange rates, changes in interest rates and changes in fuel prices. We do not hold or issue derivative financial instruments for trading or speculative purposes. In prior years, we have used derivative financial instruments to manage risk, in part, associated with changes in interest rates and changes in fuel prices. Presently, we are not engaged in any hedging or derivative activities.

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Commitments and Contingencies

12 Months Ended

Dec. 31, 2018

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Commitments and Contingencies

Letters of Credit

At December 31, 2018, we were contingently liable to our principal banks in the amount of $72,565 for letters of credit outstanding primarily related to insurance coverage.

V. Commitments and Contingencies (continued)

Surety Bonds

In certain circumstances, we have performance obligations that are supported by surety bonds in connection with our contractual commitments.

Litigation

We are party to a number of lawsuits, threatened lawsuits and other claims arising out of the normal course of business. We assess our liabilities and contingencies in connection with outstanding legal proceedings utilizing the latest information available. Where it is probable that we will incur a loss and the amount of the loss can be reasonably estimated, we record a liability in our consolidated financial statements. These legal accruals may be increased or decreased to reflect any relevant developments on a quarterly basis. Where a loss is not probable or the amount of the loss is not estimable, we do not record an accrual, consistent with applicable accounting guidance. Based on information currently available to us, advice of counsel, and available insurance coverage, we believe that our established accruals are adequate and the liabilities arising from the legal proceedings will not have a material adverse effect on our consolidated financial condition. We note, however, that in light of the inherent uncertainty in legal proceedings there can be no assurance that the ultimate resolution of a matter will not exceed established accruals. As a result, the outcome of a particular matter or a combination of matters may be material to our results of operations for a particular period, depending upon the size of the loss or our income for that particular period.

In November 2017, a suit was filed in Savannah, Georgia state court (“State Court”) against Davey Tree, its subsidiary, Wolf Tree, Inc., a former Davey employee, two Wolf employees, and a former Wolf employee alleging various acts of negligence and seeking compensatory and punitive damages for wrongful death and assault and battery of the plaintiff’s husband, a Wolf Tree employee, who was shot and killed in August 2017. The case was mediated unsuccessfully in December 2018 and was set for trial on January 22, 2019.

In July 2018, a related survival action was filed by the deceased’s estate against Davey Tree, its subsidiary, Wolf Tree, Inc., and four current and former employees in Savannah, Georgia, which arises out of the same allegations, seeks compensatory and punitive damages and also includes three RICO claims under Georgia law seeking compensatory damages, treble damages, and punitive damages. The 2018 case was removed to the United States District Court for the Southern District of Georgia, Savannah Division, on August 2, 2018 (“Federal Court”). The Company filed a motion to dismiss the RICO claims. Plaintiffs filed a motion to remand the case to state court, which the Company has opposed. The motions are pending.

On December 6, 2018, a former Wolf Tree employee pled guilty to conspiracy to conceal, harbor, and shield illegal aliens. On December 21, 2018, the United States federal prosecutors filed a motion to stay both actions on the grounds that on December 13, 2018, an indictment was issued charging two former Wolf employees and one other individual with various crimes, including conspiracy to murder the deceased. On December 17, 2018, the United States Attorney’s Office for the Southern District of Georgia informed the Company and Wolf Tree that they are also under investigation for potential violations of immigration and other laws relating to the subject matter of the ongoing criminal investigation referenced above. The Company and Wolf Tree are cooperating with the investigation.

On December 28, 2018, the State Court granted the United States’ motion to stay but indicated that it would nonetheless consider certain pending matters, including: (1) Plaintiff and a co-defendant’s motions that Davey Tree be forced to produce privileged documents and testimony, which had been submitted to a Special Master for recommendation; and (2) the Defendants’ motions for summary judgment. On January 11, 2019, the Special Master issued his recommendation that both Plaintiff and the co-defendant’s motions to force Davey to disclose privileged information be denied. The State Court judge has not yet moved on the recommendation. On January 29, 2019, the State Court heard oral argument on Defendants’ motions for summary judgment, and the motions remain pending.

On January 28, 2019, the Federal Court also granted the United States’ motion to stay. On January 29, 2019, the State Court ordered the parties to return to mediation; the case is now set for mediation on April 17, 2019.

In both cases, the Company has denied all liability and is vigorously defending the action. It also has retained separate counsel for some of the individual defendants, each of whom has denied all liability and also is vigorously defending the action.

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Quarterly Results of Operations

12 Months Ended

Dec. 31, 2018

Quarterly Financial Information Disclosure [Abstract]

Quarterly Results of Operations (Unaudited)

Quarterly Results of Operations (Unaudited)

The following is a summary of the results of operations for each quarter of 2018 and 2017. We have given retroactive consideration to the two-for-one stock split of our common shares effective June 1, 2017.

	Fiscal 2018, Three Months Ended
	Mar 31			Jun 30		Sep 29		Dec 31
Revenues	$	208,651		$	270,649	$	265,318	$	280,173
Gross profit (revenues less costs and expenses, operating)	64,028			102,967		94,193		98,215
Income (loss) from operations	(5,666		)	29,800		14,585		16,971
Net income (loss)	(6,627		)	21,714		8,384		4,506
Net income (loss) per share -- Basic	$	(.26	)	$	.94	$	.35	$	.12
Net income (loss) per share -- Diluted	$	(.26	)	$	.89	$	.34	$	.13
ESOT valuation per share	$	19.10		$	19.70	$	19.70	$	21.10

	Fiscal 2017, Three Months Ended
	Apr 1			Jul 1		Sep 30		Dec 31
Revenues	$	192,813		$	245,037	$	249,588	$	228,520
Gross profit (revenues less costs and expenses, operating)	59,154			93,512		91,973		83,986
Income (loss) from operations	(3,995		)	25,659		19,049		11,478
Net income (loss)	(3,887		)	14,223		10,237		1,547
Net income (loss) per share -- Basic	$	(.15	)	$	.57	$	.41	$	.04
Net income (loss) per share -- Diluted	$	(.15	)	$	.55	$	.39	$	.04
ESOT valuation per share	$	17.60		$	18.30	$	18.30	$	19.10
Fourth quarters of 2018 and 2017 include adjustments to casualty insurance expense that had the effect of decreasing gross profit in 2018 by $7,324 and increasing gross profit in 2017 by $2,735.

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Subsequent Events (Notes)

12 Months Ended

Dec. 31, 2018

Subsequent Events [Abstract]

Subsequent events [Text Block]

Subsequent Events

PG&E Bankruptcy Filing

On January 29, 2019, Pacific Gas & Electric Company, and its parent Company PG&E Corporation (“PG&E”), our largest utility customer, filed voluntary bankruptcy petitions under Chapter 11 of the United States Bankruptcy Code in the U.S. Bankruptcy Court for the Northern District of California. PG&E approximated 12% of revenues during 2018, 11% in 2017 and 12% in 2016. As a utility company, PG&E serves residential and industrial customers in California and has an ongoing obligation to continue to serve its customers, and we continue to perform under our contracts with PG&E post-petition. As of the date of the bankruptcy filing, we had pre-petition accounts receivable of approximately $13,000 which we believe to be collectible. While uncertainty exists as to the outcome of the bankruptcy proceedings, we do not anticipate PG&E's bankruptcy to have a material impact on our future cash flows and results of operations.

AR Securitization

On January 24, 2019, we amended our AR securitization facility to address insolvency proceedings, specifically those receivables from PG&E Corporation and its regulated utility subsidiary, Pacific Gas and Electric Company (collectively “Pacific Gas & Electric”), which filed voluntary bankruptcy petitions under Chapter 11 of the United States Bankruptcy Code in the U.S. Bankruptcy Court for the Northern District of California. Under the terms of the receivable financing agreement, receivables from Pacific Gas and Electric, while remaining in the securitized pool, will be considered ineligible and are excluded from performance ratios and reserves.

Acquisition of Businesses

Subsequent to December 31, 2018 and through March 11, 2019, we acquired two businesses approximating $3,950 with no liabilities assumed and debt issued of $1,092. The acquired companies are in our Residential and Commercial segment in the Houston, Texas and Omaha, Nebraska markets. The effect of these acquisitions on our consolidated revenues and results of operations, either individually or in the aggregate, are not significant.

F. Subsequent Events (continued)

Issuance of Debt

On February 5, 2019 we issued 4.00% Senior Notes, Series B (the "4.00% Senior Notes") pursuant to the Note Purchase and Shelf Agreement in the aggregate principal amount of $25,000. The notes are due September 21, 2028. Subsequent series of promissory notes may be issued pursuant to the Note Purchase and Shelf Agreement in an aggregate additional principal amount not to exceed $25,000. The 4.00% Senior Notes are equal in right of payment with our revolving credit facility and all other senior unsecured obligations of the Company. Interest is payable semiannually and 5 equal, annual principal payments commence on September 21, 2024 (thesixth anniversary of issuance of the 3.99% Senior Notes).

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Summary of Significant Accounting Policies (Policies)

12 Months Ended

Dec. 31, 2018

Accounting Policies [Abstract]

Principles of consolidation and basis of presentation [Text Block]

Principles of Consolidation and Basis of Presentation--The consolidated financial statements include the accounts of Davey Tree and our wholly-owned subsidiaries and were prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) as codified in the Financial Accounting Standards Board ("FASB") Accounting Standards Codification ("ASC"). Intercompany accounts and transactions have been eliminated in consolidation.

Per Common Share Information--We have given retroactive consideration to the two-for-one stock split of our common shares effective June 1, 2017 including all common share and per share data.

Use of estimates in financial statement preparation [Policy Text Block]

Use of Estimates in Financial Statement Preparation--The preparation of financial statements in accordance with U.S. GAAP requires management to make estimates and assumptions that affect reported amounts. Estimates are used for, but not limited to, accounts receivable valuation, depreciable lives of fixed assets, self-insurance accruals, stock valuation and revenue recognition. Actual results could differ from those estimates.

Property and equipment [Policy Text Block]

Property and Equipment--Property and equipment are stated at cost. Repair and maintenance costs are expensed as incurred. Depreciation is computed for financial reporting purposes by the straight-line method for land improvements, building and leasehold improvements and by the declining-balance method for equipment, based on the estimated useful lives of the assets, as follows:

Land improvements	5 to 20 years
Buildings	5 to 30 years
Equipment	3 to 20 years
Leasehold improvements	Shorter of lease term or estimated useful life; ranging from 5-to-20 years

Intangible assets [Policy Text Block]

Intangible Assets--Intangible assets with finite lives, primarily customer lists, noncompete agreements and tradenames, are amortized by the straight-line method based on their estimated useful lives, ranging from one-to-ten years.

Long-lived assets [Policy Text Block]

Long-Lived Assets--We assess potential impairment to our long-lived assets, other than goodwill, when there is evidence that events or changes in circumstances have made recovery of the asset’s carrying value unlikely and the carrying amount of the asset exceeds the estimated future undiscounted cash flow. In the event the assessment indicates that the carrying amounts may not be recoverable, an impairment loss would be recognized to reduce the asset’s carrying amount to its estimated fair value based on the present value of the estimated future cash flows.

Goodwill [Policy Text Block]

Goodwill--Goodwill is recorded when the cost of acquired businesses exceeds the fair value of the identified net assets acquired. Goodwill is not amortized, but tested for impairment annually or when events or circumstances indicate that impairment may have occurred. Annually, we perform the impairment tests for goodwill during the fourth quarter. Impairment of goodwill is tested at the reporting-unit level, which for us are also our business segments. Impairment of goodwill is tested by comparing the reporting unit’s carrying value, including goodwill, to the fair value of the reporting unit. The fair values of the reporting units are estimated using discounted projected cash flows. If the carrying value of the reporting unit exceeds its fair value, goodwill is considered impaired and an impairment loss should be recognized for the amount by which the carrying amount exceeds the reporting unit’s fair value, not to exceed the carrying value of the goodwill allocated to that reporting unit. We conducted our annual impairment tests and determined that no impairment loss was required to be recognized in 2018 or for any prior periods. There were no events or circumstances from the date of our assessment through December 31, 2018 that would impact this conclusion.

Self-insurance accruals [Policy Text Block]

Self-Insurance Accruals--We are generally self-insured for losses and liabilities related primarily to workers’ compensation, vehicle liability and general liability claims. We use commercial insurance as a risk-reduction strategy to minimize catastrophic losses. Ultimate losses are accrued based upon estimates of the aggregate liability for claims incurred using certain actuarial assumptions followed in the insurance industry and based on Company-specific experience.

Our self-insurance accruals include claims for which the ultimate losses will develop over a period of years. Accordingly, our estimates of ultimate losses can change as claims mature. Our accruals also are affected by changes in the number of new claims incurred and claim severity. The methods for estimating the ultimate losses and the total cost of claims were determined by third-party consulting actuaries; the resulting accruals are reviewed by management, and any adjustments arising from changes in estimates are reflected in income.

The workers' compensation accruals are discounted as the amount and timing of cash payments related to those accruals are reliably determinable given the nature of workers' compensation benefits and the level of historical claim volume to support the actuarial assumptions and judgments used to derive the expected loss payment pattern. The workers' compensation accruals are discounted using an interest rate that approximates the long-term investment yields over the expected payment pattern of unpaid losses.

Our self-insurance accruals are based on estimates and, while we believe that the amounts accrued are adequate and not excessive, the ultimate claims may be in excess of or less than the amounts provided.

Stock-based compensation [Policy Text Block]

Stock-Based Compensation--Stock-based compensation cost for all share-based payment plans is measured at fair value on the date of grant and recognized over the employee service period on the straight-line recognition method for awards expected to vest. The fair value of all stock-based payment plans—stock option plans, stock-settled stock appreciation rights, and performance-based restricted stock units as well as our Employee Stock Purchase Plan—is determined by the number of awards granted and the price of our common stock. The fair value of each award is estimated on the date of grant using a binomial option-pricing model. The binomial model considers a range of assumptions related to volatility, risk-free interest rate and employee exercise behavior. Expected volatilities utilized in the binomial model are based on historical volatility of our share prices and other factors. Similarly, the dividend yield is based on historical experience and expected future changes. The binomial model also incorporates exercise assumptions based on an analysis of historical data. The expected life of the stock-based awards is derived from the output of the binomial model and represents the period of time that awards granted are expected to be outstanding.

Defined benefit pension plans [Policy Text Block]

Defined Benefit Pension Plans--We record annual expenses relating to our defined benefit pension plans based on calculations that include various actuarial assumptions, including discount rates and expected long-term rates of return on plan assets. Actuarial assumptions are reviewed annually with modifications made to the assumptions, if necessary, based on

B. Summary of Significant Accounting Policies (continued)

current rates and trends. The effects of the actuarial gains or losses are amortized over future service periods. The funded status (that is, the projected benefit obligation less the fair value of plan assets) for each plan is reported in our balance sheet using a December 31 measurement date. Changes in the funded status of the plans are recognized in the year in which the changes occur and reported in comprehensive income (loss).

Income taxes [Policy Text Block]

Income Taxes--We compute taxes on income in accordance with the tax rules and regulations where the income is earned. The income tax rates imposed by these taxing authorities vary. Taxable income may differ from pretax income for financial reporting purposes. We compute and recognize deferred tax assets and liabilities for the expected future tax consequences of temporary differences between the financial statement carrying amounts and the tax bases of our assets and liabilities. Changes in tax rates and laws are reflected in income in the period when such changes are enacted. We account for uncertain tax positions by recognizing the financial statement effects of a tax position only when, based upon the technical merits, it is more-likely-than-not that the position will be sustained upon examination.

Earnings per share [Policy Text Block]

Earnings Per Share--Basic earnings per share is determined by dividing the income available to common shareholders by the weighted-average number of common shares outstanding. Diluted earnings per share is computed similarly to basic earnings per share except that the weighted-average number of shares is increased to include the effect of stock awards that were granted and outstanding during the period.

Revenue recognition [Policy Text Block]

Revenue Recognition--We recognize revenue in accordance with ASC Topic 606, Revenue from Contracts with Customers, which we adopted on January 1, 2018, using the modified retrospective method. See Note C for further discussion of the adoption, including the impact on our 2018 financial statements. Performance obligations are satisfied as our services are provided to customers. See Note T for a detailed description of our revenue recognition policy.

Concentration of credit risk [Policy Text Block]

Concentration of Credit Risk--Credit risk represents the accounting loss that would be recognized if the counterparties failed to perform as contracted. The principal financial instruments subject to credit risk follow:

Cash--To limit our exposure, we transact our business and maintain banking relationships with high credit-quality financial institutions.

Accounts Receivable--Our residential and commercial customers are located geographically throughout the United States and Canada and, as to commercial customers, within differing industries; thus, minimizing credit risk. The credit exposure of utility services customers is directly affected by conditions within the utility industries as well as the financial condition of individual customers. One utility customer approximated 12% of revenues during 2018, 11% in 2017 and 12% in 2016. To reduce credit risk, we evaluate the credit of customers, but generally do not require advance payments or collateral. Exposure to losses on receivables is principally dependent on each customer’s financial condition.

Foreign currency translation and transactions [Policy Text Block]

Foreign Currency Translation and Transactions--Assets and liabilities of our Canadian operations are translated into U.S. dollars using year-end exchange rates, and revenues and expenses are translated using exchange rates as determined throughout the year. Gains or losses resulting from translation are included in the consolidated balance sheet, classified in shareholders’ equity as a separate component of accumulated other comprehensive income (loss). Gains or losses resulting from Canadian-dollar transactions with the Canadian operations are converted to U.S. dollars at the rates of exchange prevailing at the dates of the transactions. The effect of the transactions gain or loss is classified in the statement of operations as a component of other nonoperating income (expense), net.

Interst rate risk management [Policy Text Block]

Interest Rate Risk Management--We have entered into interest rate contracts, from time-to-time, with the objective of altering interest rate exposures related to variable rate debt. In the interest rate contracts, we have agreed with a financial institution to exchange, at specified intervals, the difference between fixed and floating interest amounts calculated on an agreed-upon notional principal amount. During the year ended December 31, 2018, we did not enter into any interest rate contracts.

Comprehensive income (loss) [Policy Text Block]

Comprehensive Income (Loss)--Comprehensive income (loss) includes net income and other comprehensive income or loss. Other comprehensive income (loss) refers to revenues, expenses, gains and losses that under U.S. GAAP are included in comprehensive income but are excluded from net income as these amounts are recorded directly as an adjustment to shareholders’ equity, net of tax.

Business combinations [Policy Text Block]

The net assets of the businesses acquired are accounted for under the acquisition method and were recorded at their fair values at the dates of acquisition.

Commitments and contingencies [Policy Text Block]

We are party to a number of lawsuits, threatened lawsuits and other claims arising out of the normal course of business. We assess our liabilities and contingencies in connection with outstanding legal proceedings utilizing the latest information available. Where it is probable that we will incur a loss and the amount of the loss can be reasonably estimated, we record a liability in our consolidated financial statements. These legal accruals may be increased or decreased to reflect any relevant developments on a quarterly basis. Where a loss is not probable or the amount of the loss is not estimable, we do not record an accrual, consistent with applicable accounting guidance.

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Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2018

Accounting Policies [Abstract]

Property, plant and equipment [Table Text Block]

Depreciation is computed for financial reporting purposes by the straight-line method for land improvements, building and leasehold improvements and by the declining-balance method for equipment, based on the estimated useful lives of the assets, as follows:

Land improvements	5 to 20 years
Buildings	5 to 30 years
Equipment	3 to 20 years
Leasehold improvements	Shorter of lease term or estimated useful life; ranging from 5-to-20 years

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Accounts Receivable, Net and Supplemental Balance Sheet Information (Tables)

12 Months Ended

Dec. 31, 2018

Accounts Receivable, Net and Supplemental Balance Sheet Information [Abstract]

Schedule of accounts receivable [Table Text Block]

Accounts receivable, net, consisted of the following:

	December 31,
	2018		2017
Accounts receivable	$	158,556	$	143,244
Unbilled receivables	40,671		29,895
	199,227		173,139
Less allowances for doubtful accounts	3,321		4,468
	$	195,906	$	168,671

Schedule of other current assets [Table Text Block]

The following items comprise the amounts included in the balance sheets:

	December 31,
Other current assets	2018		2017
Refundable income taxes	$	1,625	$	587
Other	932		784
Total	$	2,557	$	1,371

Schedule of other assets, noncurrent [Table Text Block]

	December 31,
Other assets, noncurrent	2018		2017
Assets invested for self-insurance	$	15,379	$	19,422
Investment--cost-method affiliate	1,218		1,218
Deferred income taxes	573		4,815
Other	4,599		3,701
Total	$	21,769	$	29,156

Schedule of accrued expenses [Table Text Block]

	December 31,
Accrued expenses	2018		2017
Employee compensation	$	24,086	$	20,794
Accrued compensated absences	9,711		9,267
Self-insured medical claims	3,343		3,193
Customer advances, deposits	1,322		1,672
Income taxes payable	31		3,443
Taxes, other than income	2,546		2,279
Other	3,022		2,168
Total	$	44,061	$	42,816

Schedule of other liabilities, noncurrent [Table Text Block]

	December 31,
Other liabilities, noncurrent	2018		2017
Pension and retirement plans	$	6,138	$	14,759
Other	3,987		5,207
Total	$	10,125	$	19,966

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Supplemental Cash Flow Information (Tables)

12 Months Ended

Dec. 31, 2018

Supplemental Cash Flow Information [Abstract]

Supplemental cash flow information [Table Text Block]

Supplemental cash flow information follows:

	Year Ended December 31,
Supplemental cash flow information	2018			2017			2016
Interest paid	$	6,375		$	5,096		$	4,329
Income taxes paid, net	11,514			10,005			10,578
Noncash transactions:
Debt issued for purchases of businesses	$	2,402		$	3,099		$	875
Detail of acquisitions:
Assets acquired:
Accounts receivable	$	1,311		$	1,753		$	—
Operating supplies	23			—			157
Prepaid expense	89			128			55
Equipment	4,079			1,904			2,485
Other assets	7			52			—
Intangible assets	4,895			4,296			1,374
Goodwill	2,840			5,131			817
Liabilities assumed	(2,381		)	(2,713		)	(216		)
Debt issued for purchases of businesses	(2,402		)	(3,099		)	(875		)
Cash paid	$	8,461		$	7,452		$	3,797

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Identified Intangible Assets and Goodwill, Net (Tables)

12 Months Ended

Dec. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of acquired finite-lived intangible assets by major class [Table Text Block]

The carrying amount of the intangible assets and goodwill acquired in connection with our acquisitions were as follows:

	Weighted-Average Amortization Period (Years)		December 31, 2018				December 31, 2017
			Carrying Amount		Accumulated Amortization		Carrying Amount		Accumulated Amortization
Amortized intangible assets:
Customer lists/relationships	3.6	years	$	25,179	$	18,251	$	21,487	$	16,846
Employment-related	2.8	years	8,133		6,954		7,333		6,624
Tradenames	3.7	years	6,858		5,435		5,978		5,134
Total			40,170		$	30,640	34,798		$	28,604
Less accumulated amortization			30,640				28,604
Intangible assets, net			9,530				6,194
Goodwill			37,971				35,477
			$	47,501			$	41,671

Schedule of goodwill [Table Text Block]

The changes in the carrying amounts of goodwill, by segment, for the years ended December 31, 2018 and December 31, 2017 follow:

	Balance at January 1, 2018		Acquisitions		Translation and Other Adjustments			Balance at December 31, 2018
Utility	$	3,424	$	1,487	$	—		$	4,911
Residential and Commercial	32,053		1,353		(346		)	33,060
Total	$	35,477	$	2,840	$	(346	)	$	37,971

	Balance at January 1, 2017		Acquisitions		Translation and Other Adjustments		Balance at December 31, 2017
Utility	$	3,424	$	—	$	—	$	3,424
Residential and Commercial	26,881		5,131		41		32,053
Total	$	30,305	$	5,131	$	41	$	35,477

Schedule of finite-lived intangible assets, future amortization expense [Table Text Block]

The estimated aggregate amortization expense of intangible assets, as of December 31, 2018, in each of the next five years follows:

	Estimated Future Amortization Expense
Year ending December 31, 2019	$	2,197
2020	2,011
2021	1,569
2022	1,339
2023	1,209
Thereafter	1,205
	$	9,530

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Short and Long-Term Debt and Commitments Related to Letters of Credit (Tables)

12 Months Ended

Dec. 31, 2018

Debt Disclosure [Abstract]

Schedule of short-term debt [Table Text Block]

Short-term debt consisted of the following:

	December 31,
	2018		2017
Notes payable	$	—	$	149
Current portion of long-term debt	22,514		16,166
	$	22,514	$	16,315

Schedule of long-term debt instruments [Table Text Block]

Long-term debt consisted of the following:

	December 31,
	2018		2017
Revolving credit facility
Swing-line borrowings	$	2,500	$	—
LIBOR borrowings	91,000		100,000
	93,500		100,000
5.09% Senior unsecured notes	12,000		18,000
3.99% Senior unsecured notes	50,000		—
Term loans	23,176		16,242
	178,676		134,242
Less debt issuance costs	599		725
Less current portion	22,514		16,166
	$	155,563	$	117,351

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Self-Insurance Accruals (Tables)

12 Months Ended

Dec. 31, 2018

Self-Insurance Accruals [Abstract]

Schedule of self-insurance accruals [Table Text Block]

Components of our self-insurance accruals for workers’ compensation, vehicle liability and general liability follow:

	December 31,
	2018		2017
Workers' compensation	$	41,577	$	40,764
Present value discount	3,099		2,346
	38,478		38,418
Vehicle liability	13,342		5,536
General liability	31,965		23,740
Total	83,785		67,694
Less current portion	27,434		23,782
Noncurrent portion	$	56,351	$	43,912

Schedule of changes in self-insurance accruals [Table Text Block]

The changes in our self-insurance accruals and the discount rate used for the workers’ compensation accrual are summarized in the table below.

	December 31,
	2018			2017
Balance, beginning of year	$	67,694		$	62,838
Provision for claims	51,685			34,884
Payment of claims	(35,594		)	(30,028		)
Balance, end of year	$	83,785		$	67,694
Workers' compensation discount rate	2.50		%	2.00		%

The increase in the provision for claims primarily relates to increases for certain vehicle and general liability claims that are anticipated to settle in the future at or near our retention levels.

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Lease Obligations (Tables)

12 Months Ended

Dec. 31, 2018

Leases [Abstract]

Schedule of assets acquired under capital leases [Table Text Block]

Assets acquired under capital leases and included in property and equipment consisted of the following:

	December 31,
	2018		2017
Equipment	$	6,534	$	3,481
Less accumulated amortization	1,797		805
	$	4,737	$	2,676

Schedule of future minimum lease payments for capital leases [Table Text Block]

Minimum rental commitments under all capital and noncancelable operating leases, as of December 31, 2018, were as follows:

	Lease Obligations
Minimum lease obligations	Capital		Operating
Year ending December 31, 2019	$	1,426	$	14,023
2020	1,371		11,272
2021	1,183		7,712
2022	272		5,129
2023	71		2,060
2024 and after	—		1,923
Total minimum lease payments	4,323		$	42,119
Amounts representing interest	116
Present value of net minimum lease payments	4,207
Less current portion	1,345
Long-term capital lease obligations, December 31, 2018	$	2,862

Schedule of future minimum rental payments for operating leases [Table Text Block]

Minimum rental commitments under all capital and noncancelable operating leases, as of December 31, 2018, were as follows:

	Lease Obligations
Minimum lease obligations	Capital		Operating
Year ending December 31, 2019	$	1,426	$	14,023
2020	1,371		11,272
2021	1,183		7,712
2022	272		5,129
2023	71		2,060
2024 and after	—		1,923
Total minimum lease payments	4,323		$	42,119
Amounts representing interest	116
Present value of net minimum lease payments	4,207
Less current portion	1,345
Long-term capital lease obligations, December 31, 2018	$	2,862

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Common Shares, Redeemable Common Shares and Preferred Shares (Tables)

12 Months Ended

Dec. 31, 2018

Equity [Abstract]

Schedule of stock by class [Table Text Block]

Common and Redeemable Shares Outstanding--The table below reconciles the activity of the common and redeemable shares outstanding:

	Common Shares Net of Treasury Shares		Redeemable Shares		Total
Shares outstanding, December 31, 2016	17,866,236		7,056,904		24,923,140
Shares purchased	(807,718	)	(890,009	)	(1,697,727	)
Shares sold	362,674		300,132		662,806
Stock subscription offering, employee cash purchases	90,645		—		90,645
Options exercised	241,995		—		241,995
Shares outstanding, December 31, 2017	17,753,832		6,467,027		24,220,859
Shares purchased	(1,530,528	)	(1,106,415	)	(2,636,943	)
Shares sold	679,197		281,543		960,740
Stock subscription offering, employee cash purchases	129,245		—		129,245
Options exercised	206,751		—		206,751
Shares outstanding, December 31, 2018	17,238,497		5,642,155		22,880,652

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Accumulated Other Comprehensive Income (Loss) (Tables)

12 Months Ended

Dec. 31, 2018

Equity [Abstract]

Schedule of accumulated other comprehensive income (loss) [Table Text Block]

The following summarizes the components of other comprehensive income (loss) accumulated in shareholders’ equity:

	Foreign Currency Translation Adjustments			Defined Benefit Pension Plans			Accumulated Other Comprehensive Income (Loss)
Balance at January 1, 2016	$	(6,244	)	$	(7,150	)	$	(13,394	)
Unrealized gains (losses)	744			—			744
Amounts reclassified from accumulated other comprehensive income (loss)	—			2,844			2,844
Tax effect	—			(1,137		)	(1,137		)
Unrecognized amounts from defined benefit pension plans	—			(2,032		)	(2,032		)
Tax effect	—			813			813
Net of tax amount	744			488			1,232
Balance at December 31, 2016	$	(5,500	)	$	(6,662	)	$	(12,162	)
Unrealized gains (losses)	2,195			—			2,195
Amounts reclassified from accumulated other comprehensive income (loss)	—			4,822			4,822
Tax effect	—			(1,962		)	(1,962		)
Unrecognized amounts from defined benefit pension plans	—			(2,169		)	(2,169		)
Tax effect	—			883			883
Net of tax amount	2,195			1,574			3,769
Balance at December 31, 2017	$	(3,305	)	$	(5,088	)	$	(8,393	)
Unrealized gains (losses)	(2,514		)	—			(2,514		)
Amounts reclassified from accumulated other comprehensive income (loss)	—			6,291			6,291
Tax effect	—			(145		)	(145		)
Unrecognized amounts from defined benefit pension plans	—			(279		)	(279		)
Tax effect	—			6			6
Net of tax amount	(2,514		)	5,873			3,359
Balance at December 31, 2018	$	(5,819	)	$	785		$	(5,034	)

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Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Disclosure of share-based compensation arrangements by share-based payment award [Table Text Block]

Stock-based compensation expense under all share-based payment plans—our Employee Stock Purchase Plan, stock option plans, stock-settled stock appreciation rights, and performance-based restricted stock units—included in the results of operations follows:

	Year Ended December 31,
	2018		2017		2016
Compensation expense, all share-based payment plans	$	3,370	$	4,049	$	2,811
Income tax benefit	602		1,315		823

Schedule of share-based compensation, stock-settled stock appreciation rights award activity [Table Text Block]

The following table summarizes the SSARs as of December 31, 2018: 

Stock-Settled Stock Appreciation Rights	Number of Rights		Weighted- Average Award Date Value		Weighted- Average Remaining Contractual Life	Unrecognized Compensation Cost		Aggregate Intrinsic Value
Unvested, January 1, 2018	448,180		$	3.10
Granted	121,243		3.84
Forfeited	—		—
Vested	(188,441	)	2.93
Unvested, December 31, 2018	380,982		$	3.42	2.4 years	$	924	$	7,505

Schedule of share-based compensation, restricted stock units award activity [Table Text Block]

The following table summarizes restricted stock units as of December 31, 2018:

Restricted Stock Units	Number of Stock Units		Weighted- Average Grant Date Value		Weighted- Average Remaining Contractual Life	Unrecognized Compensation Cost		Aggregate Intrinsic Value
Unvested, January 1, 2018	290,666		$	14.41
Granted	44,926		18.55
Forfeited	—		—
Vested	(87,754	)	12.94
Unvested, December 31, 2018	247,838		$	15.68	1.9 years	$	1,727	$	4,882
Employee PRSUs	209,186		$	15.40	2.2 years	$	1,401	$	4,121
Nonemployee Director RSUs	38,652		$	17.17	1.3 years	$	326	$	761

Schedule of share-based payment award, stock options, valuation assumptions [Table Text Block]

The fair values of stock-based awards granted were estimated at the dates of grant with the following weighted-average assumptions:

	Year Ended December 31,
	2018		2017		2016
Volatility rate	10.1	%	10.3	%	10.6	%
Risk-free interest rate	2.7	%	2.2	%	1.8	%
Expected dividend yield	.7	%	.7	%	.7	%
Expected life of awards (years)	9.2		8.9		9.5

Schedule of share-based compensation, stock options, activity [Table Text Block]

The following table summarizes activity under the stock option plans for the year ended December 31, 2018:

Stock Options	Number of Options Outstanding		Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Life	Unrecognized Compensation Cost		Aggregate Intrinsic Value
Outstanding, January 1, 2018	1,528,615		$	13.05
Granted	143,250		19.10
Exercised	(147,321	)	9.93
Forfeited	(58,280	)	13.29
Outstanding, December 31, 2018	1,466,264		$	13.94	5.9 years	$	1,393	$	8,446
Exercisable, December 31, 2018	889,814		$	11.79	4.7 years			$	7,037

Schedule of share-based compensation, shares authorized under stock option plans, by exercise price range [Table Text Block]

Information regarding the stock options outstanding at December 31, 2018 is summarized below:

Stock Options  Exercise Price		Number Outstanding	Weighted-Average Remaining Contractual Life	Weighted- Average Exercise Price		Number Exercisable	Weighted- Average Exercise Price
Employee options:
$	8.00	88,413	0.8 years	$	8.00	88,413	$	8.00
8.30		107,000	1.8 years	8.30		107,000	8.30
11.60		270,414	4.5 years	11.60		270,414	11.60
13.20		284,822	5.5 years	13.20		211,422	13.20
15.05		219,965	6.5 years	15.05		112,765	15.05
16.35		230,800	7.5 years	16.35		77,800	16.35
17.60		129,300	8.5 years	17.60		22,000	17.60
19.10		135,550	9.5 years	19.10		—	19.10
		1,466,264	5.9 years	$	13.94	889,814	$	11.79

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Defined Benefit Pension Plans (Tables)

12 Months Ended

Dec. 31, 2018

Retirement Benefits [Abstract]

Schedule of changes in projected benefit obligations [Table Text Block]

The change in benefit obligations and the fair value of plans assets follows:

	December 31,
	2018			2017
Change in benefit obligation
Projected benefit obligation at beginning of year	$	19,403		$	24,833
Service cost	400			530
Interest cost	718			1,002
Actuarial (gains)/losses	(77		)	1,865
Amendments	—			—
Settlements	(13,118		)	(8,400		)
Benefits paid	(262		)	(427		)
Projected benefit obligation at end of year	$	7,064		$	19,403
Accumulated benefit obligation at end of year	$	7,064		$	19,403

Schedule of changes in fair value of plan sssets [Table Text Block]

	December 31,
	2018			2017
Change in fair value of plan assets
Fair value of plan assets at beginning of year	$	7,105		$	11,509
Actual return on plan assets	239			845
Plan expenses, including PBGC premiums	(364		)	(513		)
Employer contributions	10,158			4,091
Settlements	(13,118		)	(8,400		)
Benefits paid	(262		)	(427		)
Fair value of plan assets at end of year	$	3,758		$	7,105

Schedule of net funded status [Table Text Block]

	December 31,
	2018			2017
Funded status of the plans
Fair value of plan assets	$	3,758		$	7,105
Projected benefit obligation	7,064			19,403
Funded status of the plans	$	(3,306	)	$	(12,298	)
	December 31,
	2018			2017
Funded status by plan
ERP	$	(332	)	$	(9,084	)
SERP	(2,564		)	(2,759		)
Restoration Plan	(410		)	(455		)
	$	(3,306	)	$	(12,298	)

Schedule of amounts recognized in balance sheet [Table Text Block]

	December 31,
	2018			2017
Amounts reported in the consolidated balance sheets
Current liability	$	(187	)	$	(175	)
Noncurrent liability	(3,119		)	(12,123		)
Funded status of the plans	$	(3,306	)	$	(12,298	)

Schedule of amounts in accumulated other comprehensive income [Table Text Block]

Amounts included in accumulated other comprehensive income (loss), related to our defined benefit pension plans follow:

	At December 31, 2018					At December 31, 2017
	Pretax		Net of Tax			Pretax		Net of Tax
Amounts reported in accumulated other comprehensive income
Unrecognized net actuarial loss	$	2,139	$	(714	)	$	8,086	$	4,919
Unrecognized prior service cost	214		(71		)	278		169
	$	2,353	$	(785	)	$	8,364	$	5,088

Schedule of amounts in accumulated other comprehensive income (loss) to be recognized over next fiscal year [Table Text Block]

P.    Defined Benefit Pension Plans (continued)

The total amortization associated with these amounts that is expected to be recognized in net periodic benefit expense for 2019 follows: 

	Year ending December 31, 2019
	Pretax		Net of Tax
Amortization of Costs Expected to be Recognized Next Year
Unrecognized net actuarial loss	$	175	$	131
Unrecognized prior service cost	64		48
	$	239	$	179

Schedule of accumulated benefit obligations in excess of fair value of plan assets [Table Text Block]

The aggregate projected benefit obligation, accumulated benefit obligation and fair value of plan assets for plans in which the fair value of plan assets is less than either the projected benefit obligation or accumulated benefit obligation follow:

	December 31,
	2018		2017
For pension plans with accumulated benefit obligations in excess of plan assets
Projected benefit obligation	$	7,064	$	19,403
Accumulated benefit obligation	7,064		19,403
Fair value of plan assets	3,758		7,105

Schedule of assumptions used [Table Text Block]

The actuarial assumptions follow. The discount rates were used to measure the year-end benefit obligation and compute pension expense for the subsequent year.

	December 31,
	2018		2017		2016
Actuarial assumptions
Discount rate	4.35	%	3.70	%	4.20	%
Expected long-term rate of return on plan assets	2.50		2.50		5.00

Components of pension expense (income) [Table Text Block]

Net periodic benefit expense (income) associated with the defined benefit pension plans included the following components:

	Year Ended December 31,
	2018			2017			2016
Components of pension expense (income)
Service costs--increase in benefit obligation earned	$	400		$	530		$	370
Interest cost on projected benefit obligation	718			1,002			1,243
Expected return on plan assets	(231		)	(638		)	(1,044		)
Curtailment loss	—			—			—
Settlement loss	5,499			3,849			2,346
Amortization of net actuarial loss	728			909			951
Amortization of prior service cost	64			64			—
Net pension expense of defined benefit pension plans	$	7,178		$	5,716		$	3,866

Schedule of allocation of plan assets [Table Text Block]

The fair values of our pension plan assets at December 31, 2018 by asset category, using the three-level hierarchy of fair value inputs, were as follows:

			Fair Value Measurements at December 31, 2018 Using:
Description	Total Carrying Value at December 31, 2018		Quoted prices in active markets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Asset Category
Money market funds	$	3,758			$	3,758	$	—
U.S. large-cap equities
Growth	—				—		—
Value	—				—		—
U.S. small/mid-cap equities
Growth	—				—		—
Value	—				—		—
International equities
Growth	—				—		—
Value	—				—		—
Fixed income	—				—		—
Multiclass world-allocation mutual funds	—				—		—
	$	3,758	$	—	$	3,758	$	—

P. Defined Benefit Pension Plans (continued)

The fair values of our pension plan assets at December 31, 2017 by asset category, using the three-level hierarchy of fair value inputs, were as follows:

			Fair Value Measurements at December 31, 2017 Using:
Description	Total Carrying Value at December 31, 2017		Quoted prices in active markets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Asset Category
Money market funds	$	897	$	—	$	897	$	—
U.S. large-cap equities
Growth	576		576		—		—
Value	542		542		—		—
U.S. small/mid-cap equities
Growth	246		246		—		—
Value	247		247		—		—
International equities
Growth	376		376		—		—
Value	366		366		—		—
Fixed income	3,070		3,070		—		—
Multiclass world-allocation mutual funds	785		785		—		—
	$	7,105	$	6,208	$	897	$	—

Schedule of expected benefit payments [Table Text Block]

The benefits, as of December 31, 2018, expected to be paid to defined-benefit plan participants in each of the next five years, and in the aggregate for the five years thereafter, follows:

	Participants Benefits
Estimated future payments
Year ending December 31, 2019	$	356
2020	379
2021	384
2022	386
2023	389
Years 2024 to 2028	1,986

Schedule of multiemployer plans [Table Text Block]

Our participation in the multiemployer defined benefit pension plans is summarized in the table below. The “EIN/Pension Plan Number” column provides the Employer Identification Number (“EIN”) and the three-digit plan number. The most recent Pension Protection Act of 2006 (the “PPA”) zone status is from the Form 5500, “Annual Return/Report of Employee Benefit Plan,” filed by the plan and certified by the plan's actuary. The PPA zone status describes plans that are underfunded. Among other factors, plans in the “critical” red zone are generally less than 65% funded; plans in the “endangered” yellow zone are less than 80% funded; and, plans in the “safe” green zone are at least 80% funded.

Pension Fund	EIN/Pension Plan Number	Pension Protection Act Zone Status		FIP/RP Status Pending Implemented	Davey Tree Contributions						Surcharge Imposed	Expiration Dates of Bargaining Agreement
		2018	2017		2018		2017		2016
National Electric Benefit Fund	53-0181657/001	Green	Green	No	$	768	$	785	$	712	No	Ranging from December 31, 2018 to December 31, 2022
Eighth District Electrical Pension Fund	84-6100393/001	Green	Green	No	142		102		90		No	December 26, 2020
					$	910	$	887	$	802

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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2018

Income Tax Disclosure [Abstract]

Schedule of income before income tax, domestic and foreign [Table Text Block]

Income before income taxes was attributable to the following sources:

	Year Ended December 31,
	2018		2017			2016
United States	$	37,377	$	38,800		$	35,867
Canada	119		(806		)	1,377
Total	$	37,496	$	37,994		$	37,244

Schedule of components of income tax expense (benefit) [Table Text Block]

The provision for income taxes follows:

	Year Ended December 31,
	2018		2017			2016
Currently payable:
Federal	$	3,165	$	9,914		$	12,216
State	2,290		2,469			2,286
Canadian	50		(262		)	398
Total current	5,505		12,121			14,900
Deferred taxes	4,014		3,753			60
Total taxes on income	$	9,519	$	15,874		$	14,960

Schedule of effective income tax rate reconciliation [Table Text Block]

A reconciliation of the expected statutory U.S. federal rate to our actual effective income tax rate follows:

	Year Ended December 31,
	2018		2017		2016
Statutory U.S. federal tax rate	21.0	%	35.0	%	35.0	%
State income taxes, net of federal benefit	5.7		4.9		4.0
Effect of Canadian income taxes	.1		.3		(.2	)
Nondeductible expenses	2.1		2.2		2.2
ESOP dividend deduction	(.3	)	(.6	)	(.7	)
Uncertain tax adjustments and audit settlement	(3.8	)	(.2	)	.2
Income tax reform - deferred rate remeasurement	—		2.5		—
All other, net	.6		(2.3	)	(.3	)
Effective income tax rate	25.4	%	41.8	%	40.2	%

Deferred tax assets and liabilities, noncurrent [Table Text Block]

Significant components of our noncurrent net deferred tax assets and liabilities at December 31, were as follows:

	December 31,
	2018		2017
Deferred tax assets:
Self-insurance accruals	$	17,579	$	14,186
Accrued compensated absences	1,565		1,747
Accrued expenses and other liabilities	742		798
Accrued stock compensation	1,772		1,571
Defined benefit pension plans	442		2,289
Foreign tax credit carryforward	2,117		605
Other future deductible amounts, net	3,271		3,661
	27,488		24,857
Less deferred tax asset valuation allowance	1,683		—
	25,805		24,857
Deferred tax liabilities:
Intangibles	1,178		969
Prepaid expenses	3,160		2,300
Property and equipment	20,894		16,773
	25,232		20,042
Net deferred tax assets--noncurrent	$	573	$	4,815

Summary of unrecognized income tax benefits [Table Text Block]

The balance of unrecognized benefits and the amount of related interest and penalties at December 31, were as follows:

	December 31,
	2018		2017
Unrecognized tax benefits	$	1,325	$	2,581
Portion, if recognized, would reduce tax expense and effective tax rate	599		1,948
Accrued interest on unrecognized tax benefits	35		128

Schedule of unrecognized tax benefits roll forward [Table Text Block]

The changes in our unrecognized tax benefits are summarized in the table below:

	Year Ended December 31,
	2018			2017			2016
Balance, beginning of year	$	2,581		$	2,532		$	2,557
Additions based on tax positions related to the current year	224			650			402
Additions for tax positions of prior years	20			(21		)	51
Reductions for tax positions of prior years	(1,500		)	—			(39		)
Lapses in statutes of limitations	—			(580		)	(439		)
Balance, end of year	$	1,325		$	2,581		$	2,532

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Earnings Per Share Information (Tables)

12 Months Ended

Dec. 31, 2018

Earnings Per Share [Abstract]

Schedule of earnings per share calculation [Table Text Block]

Earnings per share is computed as follows (prior periods have been adjusted for the two-for-one stock split of our common shares effective June 1, 2017):

	Year Ended December 31,
	2018		2017		2016
Income available to common shareholders:
Net income	$	27,977	$	22,120	$	22,284
Weighted-average shares:
Basic:
Outstanding	23,698,478		24,793,086		25,378,600
Partially-paid share subscriptions	690,260		764,382		833,440
Basic weighted-average shares	24,388,738		25,557,468		26,212,040
Diluted:
Basic from above	24,388,738		25,557,468		26,212,040
Incremental shares from assumed:
Exercise of stock subscription purchase rights	141,287		146,453		142,746
Exercise of stock options and awards	950,593		993,141		892,568
Diluted weighted-average shares	25,480,618		26,697,062		27,247,354
Share data:
Earnings per share--basic	$	1.15	$	.87	$	.85
Earnings per share--diluted	$	1.10	$	.83	$	.82

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Operations by Business Segment and Geographic Information Operations by business segment (Tables)

12 Months Ended

Dec. 31, 2018

Segment Reporting [Abstract]

Schedule of segment reporting information, by segment [Table Text Block]

Information on reportable segments and reconciliation to the consolidated financial statements follows: 

	Utility Services		Residential Commercial Services		All Other			Reconciling  Adjustments				Consolidated
Fiscal Year 2018
Revenues	$	537,484	$	486,005	$	1,302		$	—			$	1,024,791
Income (loss) from operations	32,370		47,812		(19,816		)	(4,676		)	(a)	55,690
Interest expense								(7,039		)		(7,039		)
Interest income								350				350
Other income (expense), net								(11,505		)		(11,505		)
Income before income taxes												$	37,496
Depreciation	$	29,526	$	21,720	$	—		$	3,668		(b)	$	54,914
Amortization	211		1,842		—			2				2,055
Capital expenditures	32,148		22,256		—			6,006				60,410
Segment assets, total	239,426		208,369		—			78,828			(c)	526,623
Fiscal Year 2017
Revenues	$	466,727	$	446,028	$	3,203		$	—			$	915,958
Income (loss) from operations	18,223		41,158		(2,634		)	(4,556		)	(a)	52,191
Interest expense								(4,886		)		(4,886		)
Interest income								292				292
Other income (expense), net								(9,603		)		(9,603		)
Income before income taxes												$	37,994
Depreciation	$	27,928	$	19,384	$	—		$	3,390		(b)	$	50,702
Amortization	122		2,240		—			22				2,384
Capital expenditures	26,910		23,199		—			6,991				57,100
Segment assets, total	189,662		197,698		—			85,775			(c)	473,135
Fiscal Year 2016
Revenues	$	433,379	$	410,878	$	1,421		$	—			$	845,678
Income (loss) from operations	19,256		36,640		(4,318		)	(2,711		)	(a)	48,867
Interest expense								(4,393		)		(4,393		)
Interest income								255				255
Other income (expense), net								(7,485		)		(7,485		)
Income before income taxes												$	37,244
Depreciation	$	26,855	$	17,198	$	—		$	3,231		(b)	$	47,284
Amortization	135		2,136		—			35				2,306
Capital expenditures	28,660		21,819		—			6,167				56,646
Segment assets, total	171,220		166,858		—			85,861			(c)	423,939

Schedule of revenue from external customers and long-lived assets attributed to foreign countries by geographic area [Table Text Block]

Geographic Information--The following presents revenues and long-lived assets by geographic territory:

	Year Ended December 31,
	2018		2017		2016
Revenues
United States	$	949,317	$	847,540	$	775,870
Canada	75,474		68,418		69,808
	$	1,024,791	$	915,958	$	845,678
	December 31,
	2018		2017		2016
Long-lived assets, net
United States	$	251,181	$	242,118	$	224,727
Canada	20,374		21,893		20,439
	$	271,555	$	264,011	$	245,166

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Revenue Recognition (Tables)

12 Months Ended

Dec. 31, 2018

Revenue Recognition [Abstract]

Disaggregation of revenue [Table Text Block]

The following tables disaggregate our revenue for the year endedDecember 31, 2018 by major sources:

Year Ended December 31, 2018	Utility		Residential and Commercial		All Other			Consolidated
Type of service:
Tree and plant care	$	394,481	$	290,940	$	(1,520	)	$	683,901
Grounds maintenance	—		117,498		—			117,498
Storm damage services	13,864		9,447		—			23,311
Consulting and other	129,139		68,120		2,822			200,081
Total revenues	$	537,484	$	486,005	$	1,302		$	1,024,791
Geography:
United States	$	499,242	$	448,773	$	1,302		$	949,317
Canada	38,242		37,232		—			75,474
Total revenues	$	537,484	$	486,005	$	1,302		$	1,024,791

Contract with customer, asset and liability [Table Text Block]

Net contract liabilities consisted of the following:

	December 31, 2018		December 31, 2017
Contract liabilities - current	$	2,907	$	2,072
Contract liabilities - noncurrent	2,287		2,020
Net contract liabilities	$	5,194	$	4,092

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Fair Value Measurements and Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2018

Fair Value Disclosures [Abstract]

Fair value, assets measured on recurring basis [Table Text Block]

Our assets and liabilities measured at fair value on a recurring basis at December 31, 2018 and December 31, 2017, were as follows:

			Fair Value Measurements at December 31, 2018 Using:
	Total Carrying Value at		Quoted prices in active markets		Significant other observable inputs		Significant unobservable inputs
Description	December 31, 2018		(Level 1)		(Level 2)		(Level 3)
Assets:
Assets invested for self-insurance, classified as other assets, noncurrent	$	15,379	$	15,379	$	—	$	—
Defined benefit pension plan assets	3,758		—		3,758		—
Liabilities:
Deferred compensation	$	2,459	$	—	$	2,459	$	—

U. Fair Value Measurements and Financial Instruments (continued)

			Fair Value Measurements at December 31, 2017 Using:
	Total Carrying Value at		Quoted prices in active markets		Significant other observable inputs		Significant unobservable inputs
Description	December 31, 2017		(Level 1)		(Level 2)		(Level 3)
Assets:
Assets invested for self-insurance, classified as other assets, noncurrent	$	19,422	$	19,422	$	—	$	—
Defined benefit pension plan assets	7,105		6,208		897		—
Liabilities:
Deferred compensation	$	2,146	$	—	$	2,146	$	—

Fair value, by balance sheet grouping [Table Text Block]

Financial instruments classified as noncurrent liabilities and their carrying values and fair values were as follows:

	December 31, 2018				December 31, 2017
	Carrying Value		Fair Value		Carrying Value		Fair Value
Revolving credit facility, noncurrent	$	93,500	$	93,500	$	100,000	$	100,000
Senior unsecured notes	56,000		56,002		12,000		12,389
Term loans, noncurrent	6,662		6,868		7,935		10,038
Total	$	156,162	$	156,370	$	119,935	$	122,427

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Quarterly Results of Operations Quarterly Results of Operations (Tables)

12 Months Ended

Dec. 31, 2018

Quarterly Financial Information Disclosure [Abstract]

Schedule of quarterly financial information [Table Text Block]

The following is a summary of the results of operations for each quarter of 2018 and 2017. We have given retroactive consideration to the two-for-one stock split of our common shares effective June 1, 2017.

	Fiscal 2018, Three Months Ended
	Mar 31			Jun 30		Sep 29		Dec 31
Revenues	$	208,651		$	270,649	$	265,318	$	280,173
Gross profit (revenues less costs and expenses, operating)	64,028			102,967		94,193		98,215
Income (loss) from operations	(5,666		)	29,800		14,585		16,971
Net income (loss)	(6,627		)	21,714		8,384		4,506
Net income (loss) per share -- Basic	$	(.26	)	$	.94	$	.35	$	.12
Net income (loss) per share -- Diluted	$	(.26	)	$	.89	$	.34	$	.13
ESOT valuation per share	$	19.10		$	19.70	$	19.70	$	21.10

	Fiscal 2017, Three Months Ended
	Apr 1			Jul 1		Sep 30		Dec 31
Revenues	$	192,813		$	245,037	$	249,588	$	228,520
Gross profit (revenues less costs and expenses, operating)	59,154			93,512		91,973		83,986
Income (loss) from operations	(3,995		)	25,659		19,049		11,478
Net income (loss)	(3,887		)	14,223		10,237		1,547
Net income (loss) per share -- Basic	$	(.15	)	$	.57	$	.41	$	.04
Net income (loss) per share -- Diluted	$	(.15	)	$	.55	$	.39	$	.04
ESOT valuation per share	$	17.60		$	18.30	$	18.30	$	19.10
Fourth quarters of 2018 and 2017 include adjustments to casualty insurance expense that had the effect of decreasing gross profit in 2018 by $7,324 and increasing gross profit in 2017 by $2,735.

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Our Business Reportable segments (Details)	12 Months Ended
	Dec. 31, 2018
Number of reportable segments	2

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Summary of Significant Accounting Policies Stock split adjustment (Details)	12 Months Ended
	Dec. 31, 2018
Accounting Policies [Abstract]
Stock split, conversion ratio	2

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Summary of Significant Accounting Policies (Details)	12 Months Ended
	Dec. 31, 2018
Minimum [Member]
Property, plant and equipment [Line Items]
Intangible assets, estimated useful life (in years)	1 year
Maximum [Member]
Property, plant and equipment [Line Items]
Intangible assets, estimated useful life (in years)	10 years
Land improvements [Member] | Minimum [Member]
Property, plant and equipment [Line Items]
Property and equipment, estimated useful lives (in years)	5 years
Land improvements [Member] | Maximum [Member]
Property, plant and equipment [Line Items]
Property and equipment, estimated useful lives (in years)	20 years
Buildings [Member] | Minimum [Member]
Property, plant and equipment [Line Items]
Property and equipment, estimated useful lives (in years)	5 years
Buildings [Member] | Maximum [Member]
Property, plant and equipment [Line Items]
Property and equipment, estimated useful lives (in years)	30 years
Equipment [Member] | Minimum [Member]
Property, plant and equipment [Line Items]
Property and equipment, estimated useful lives (in years)	3 years
Equipment [Member] | Maximum [Member]
Property, plant and equipment [Line Items]
Property and equipment, estimated useful lives (in years)	20 years
Leasehold improvements [Member] | Minimum [Member]
Property, plant and equipment [Line Items]
Property and equipment, estimated useful lives (in years)	5 years
Leasehold improvements [Member] | Maximum [Member]
Property, plant and equipment [Line Items]
Property and equipment, estimated useful lives (in years)	20 years

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Summary of Significant Accounting Policies Goodwill impairment (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Accounting Policies [Abstract]
Goodwill, impairment loss	$ 0	$ 0	$ 0

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Recent Accounting Guidance Recent accounting guidance (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Accounting Standards Update 2017-07 [Member]
Pension cost	$ 5,186	$ 3,496

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Business Combinations (Details) - USD ($) $ in Thousands	2 Months Ended	12 Months Ended
	Mar. 11, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Business acquisition [Line Items]
Investments in businesses		$ 13,244	$ 13,264	$ 4,888
Liabilities assumed		2,381	2,713	216
Debt issued		2,402	3,099	875
Goodwill		2,840	5,131	817
Goodwill acquired during period, tax deductible amount		$ 2,840	$ 5,131	$ 1,410
Subsequent event [Member]
Business acquisition [Line Items]
Liabilities assumed	$ 0
Debt issued	$ 1,092
Customer lists/relationships
Business acquisition [Line Items]
Intangible assets, estimated useful life (in years)		7 years
Tradenames
Business acquisition [Line Items]
Intangible assets, estimated useful life (in years)		7 years
Noncompete agreements [Member]
Business acquisition [Line Items]
Intangible assets, estimated useful life (in years)		5 years

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Accounts Receivable, Net and Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Accounts receivable, net
Accounts receivable	$ 158,556	$ 143,244
Unbilled receivables	40,671	29,895
Accounts receivable, gross, current	199,227	173,139
Less allowances for doubtful accounts	3,321	4,468
Accounts receivable, net	195,906	168,671
Other current assets
Refundable income taxes	1,625	587
Other	932	784
Other current assets, total	2,557	1,371
Other assets, noncurrent
Assets invested for self-insurance	15,379	19,422
Investment--cost-method affiliate	1,218	1,218
Deferred income taxes	573	4,815
Other	4,599	3,701
Other assets, noncurrent, total	21,769	29,156
Accrued expenses
Employee compensation	24,086	20,794
Accrued compensated absences	9,711	9,267
Self-insured medical claims	3,343	3,193
Customer advances, deposits	1,322	1,672
Income taxes payable	31	3,443
Taxes, other than income	2,546	2,279
Other	3,022	2,168
Accrued expenses, total	44,061	42,816
Other liabilities, noncurrent
Pension and retirement plans	6,138	14,759
Other	3,987	5,207
Other liabilities, noncurrent, total	$ 10,125	$ 19,966

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Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Supplemental cash flow information
Interest paid	$ 6,375	$ 5,096	$ 4,329
Income taxes paid, net	11,514	10,005	10,578
Noncash transactions
Debt issued for purchases of businesses	(2,402)	(3,099)	(875)
Detail of acquisitions:
Accounts receivable	1,311	1,753	0
Operating supplies	23	0	157
Prepaid expense	89	128	55
Equipment	4,079	1,904	2,485
Other assets	7	52	0
Intangible assets	4,895	4,296	1,374
Goodwill	2,840	5,131	817
Liabilities assumed	2,381	2,713	216
Cash paid	$ 8,461	$ 7,452	$ 3,797

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Identified Intangible Assets and Goodwill, Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Acquired finite-lived intangible assets [line Items]
Finite-lived intangible assets, gross	$ 40,170	$ 34,798
Accumulated amortization	30,640	28,604
Intangible assets, net	9,530	6,194
Goodwill	37,971	35,477	$ 30,305
Identified intangible assets and goodwill, net	$ 47,501	41,671
Customer lists/relationships
Acquired finite-lived intangible assets [line Items]
Finite-lived intangible assets, remaining amortization period	3 years 7 months 6 days
Finite-lived intangible assets, gross	$ 25,179	21,487
Accumulated amortization	$ 18,251	16,846
Employment-related
Acquired finite-lived intangible assets [line Items]
Finite-lived intangible assets, remaining amortization period	2 years 9 months 18 days
Finite-lived intangible assets, gross	$ 8,133	7,333
Accumulated amortization	$ 6,954	6,624
Tradenames
Acquired finite-lived intangible assets [line Items]
Finite-lived intangible assets, remaining amortization period	3 years 8 months 12 days
Finite-lived intangible assets, gross	$ 6,858	5,978
Accumulated amortization	$ 5,435	$ 5,134

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Identified Intangible Assets and Goodwill, Net Schedule of Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Goodwill [Roll Forward]
Goodwill, balance at January 1, 2018	$ 35,477	$ 30,305
Goodwill, acquisitions	2,840	5,131	$ 817
Goodwill, translation and other adjustments	(346)	41
Goodwill, balance at December 31, 2018	37,971	35,477	30,305
Utility
Goodwill [Roll Forward]
Goodwill, balance at January 1, 2018	3,424	3,424
Goodwill, acquisitions	1,487	0
Goodwill, translation and other adjustments	0	0
Goodwill, balance at December 31, 2018	4,911	3,424	3,424
Residential and Commercial
Goodwill [Roll Forward]
Goodwill, balance at January 1, 2018	32,053	26,881
Goodwill, acquisitions	1,353	5,131
Goodwill, translation and other adjustments	(346)	41
Goodwill, balance at December 31, 2018	$ 33,060	$ 32,053	$ 26,881

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Identified Intangible Assets and Goodwill, Net (Future Amortization of Intangibles) (Details) $ in Thousands	Dec. 31, 2018 USD ($)
Finite-lived intangible assets, net, amortization expense, fiscal year maturity [Abstract]
Year ending December 31, 2019	$ 2,197
2020	2,011
2021	1,569
2022	1,339
2023	1,209
Thereafter	$ 1,205

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Short and Long-Term Debt and Commitments Related to Letters of Credit Long-Term Debt (Details) - USD ($) $ in Thousands	Feb. 05, 2019	Dec. 31, 2018	Dec. 31, 2017
Debt instrument [Line Items]
Notes payable		$ 0	$ 149
Short-term debt		22,514	16,315
Revolving credit facility, noncurrent		93,500	100,000
Term loans		23,176	16,242
Long-term debt		178,676	134,242
Less debt issuance costs		599	725
Less current portion		22,514	16,166
Long-term debt, excluding current maturities		155,563	117,351
Swing-line borrowings [Member]
Debt instrument [Line Items]
Revolving credit facility, noncurrent		2,500	0
LIBOR borrowings [Member]
Debt instrument [Line Items]
Revolving credit facility, noncurrent		91,000	100,000
5.09% Senior unsecured notes [Member]
Debt instrument [Line Items]
Senior unsecured notes		12,000	18,000
3.99% Senior unsecured notes [Member]
Debt instrument [Line Items]
Senior unsecured notes		50,000	0
Letter of credit [Member]
Debt instrument [Line Items]
Letters of credit outstanding		72,565	63,242
Letter of credit [Member] | Accounts receivable securitization [Member]
Debt instrument [Line Items]
Letters of credit outstanding		$ 67,438	$ 58,150
Subsequent event [Member] | 3.99% Senior unsecured notes [Member]
Debt instrument [Line Items]
Unsecured debt additional shelf note capacity allowed by credit facility	$ 25,000

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Short and Long-Term Debt and Commitments Related to Letters of Credit Narrative (Details)	12 Months Ended
	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	May 07, 2017 USD ($)
Debt instrument [Line Items]
Committed under credit facility	$ 7,097,000
Revolving credit facility, current borrowing capacity	250,000,000
Revolving credit facility, maximum borrowing capacity	325,000,000
Swing line commitment	$ 25,000,000
Number of principal payments	5
Anniversary when principal payments begin	6
Debt Instrument, Annual Principal Payment	$ 10,000,000
Unused commitments under credit facility	153,377,000
Revolving credit facility, noncurrent	$ 93,500,000	$ 100,000,000
Long-term debt, weighted average interest rate	4.28%	3.56%
Long-term debt, fiscal year maturity [Abstract]
2019	$ 22,514,000
2020	7,569,000
2021	5,093,000
2022	93,500,000
2023	0
thereafter year five	$ 50,000,000
Minimum [Member]
Debt instrument [Line Items]
Line of credit facility, commitment fee percentage	0.10%
Maximum [Member]
Debt instrument [Line Items]
Line of credit facility, commitment fee percentage	0.225%
Line of credit [Member]
Debt instrument [Line Items]
Revolving credit facility, noncurrent	$ 96,623,000
Letter of credit [Member]
Debt instrument [Line Items]
Letters of credit outstanding	$ 72,565,000	$ 63,242,000
London Interbank Offered Rate (LIBOR) [Member] | Line of credit [Member]
Debt instrument [Line Items]
Outstanding borrowings interest rate margin adjustment range	1.50%
London Interbank Offered Rate (LIBOR) [Member] | Line of credit [Member] | Minimum [Member]
Debt instrument [Line Items]
Outstanding borrowings interest rate margin adjustment range	0.875%
London Interbank Offered Rate (LIBOR) [Member] | Line of credit [Member] | Maximum [Member]
Debt instrument [Line Items]
Outstanding borrowings interest rate margin adjustment range	1.50%
Base rate [Member] | Line of credit [Member]
Debt instrument [Line Items]
Outstanding borrowings interest rate margin adjustment range	0.50%
Line of credit [Member] | Letter of credit [Member]
Debt instrument [Line Items]
Letters of credit outstanding	$ 2,004,000	2,004,000
5.09% Senior unsecured notes [Member]
Debt instrument [Line Items]
Senior unsecured notes	$ 12,000,000	18,000,000
Senior unsecured notes, interest rate	5.09%
Debt Instrument, Face Amount	$ 30,000,000
3.99% Senior unsecured notes [Member]
Debt instrument [Line Items]
Senior unsecured notes	$ 50,000,000	0
Senior unsecured notes, interest rate	3.99%
Debt Instrument, Face Amount	$ 50,000,000
Unsecured debt additional shelf note capacity	50,000,000
Unsecured debt maximum borrowing capacity allowed by credit facility	$ 75,000,000
Revolving credit facility [Member] | Minimum [Member]
Debt instrument [Line Items]
Interest coverage ratio	3
Revolving credit facility [Member] | Maximum [Member]
Debt instrument [Line Items]
Ratio of Indebtedness to Net Capital	3
Revolving credit facility [Member] | Letter of credit [Member]
Debt instrument [Line Items]
Letters of credit outstanding	$ 3,123,000	3,088,000
Accounts receivable securitization [Member]
Debt instrument [Line Items]
Senior unsecured notes, interest rate	0.90%
Long-term debt, fiscal year maturity [Abstract]
Unused commitment fee threshold percent	0.50
Debt instrument variable rate base rate calculation, default rate	2.00%
Accounts receivable securitization [Member] | Letter of credit [Member]
Debt instrument [Line Items]
Revolving credit facility, maximum borrowing capacity			$ 100,000,000
Letters of credit outstanding	$ 67,438,000	$ 58,150,000
Long-term debt, fiscal year maturity [Abstract]
Debt instrument, term (in years)	1 year
Accounts receivable securitization [Member] | Letter of credit [Member] | Minimum [Member]
Debt instrument [Line Items]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.35%
Accounts receivable securitization [Member] | Letter of credit [Member] | Maximum [Member]
Debt instrument [Line Items]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.45%
Accounts receivable securitization [Member] | Base rate, federal funds [Member]
Debt instrument [Line Items]
Outstanding borrowings interest rate margin adjustment range	0.50%
Line of credit [Member] | London Interbank Offered Rate (LIBOR) [Member] | Minimum [Member]
Debt instrument [Line Items]
Outstanding borrowings interest rate margin adjustment range	0.75%
Line of credit [Member] | London Interbank Offered Rate (LIBOR) [Member] | Maximum [Member]
Debt instrument [Line Items]
Outstanding borrowings interest rate margin adjustment range	1.50%
Letter of credit [Member]
Debt instrument [Line Items]
Revolving credit facility, maximum borrowing capacity	$ 100,000,000

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Self-Insurance Accruals (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Self-Insurance Accruals [Abstract]
Workers' compensation			$ 41,577	$ 40,764
Present value discount			3,099	2,346
Workers' Compensation, Net of Discount			38,478	38,418
Vehicle liability			13,342	5,536
General liability			31,965	23,740
Total	$ 67,694	$ 62,838	83,785	67,694
Less current portion			27,434	23,782
Noncurrent portion			$ 56,351	$ 43,912
Loss contingency accrual [Roll Forward]
Balance, beginning of year	67,694	62,838
Provision for claims	51,685	34,884
Payment of claims	(35,594)	(30,028)
Balance, end of year	$ 83,785	$ 67,694
Workers' compensation discount rate	2.50%	2.00%

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Lease Obligations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Capital leased assets [Line Items]
Assets acquired under captial lease, net	$ 4,737	$ 2,676
Capital leases, future minimum payments due, fiscal year maturity [Abstract]
Year ending December 31, 2019	1,426
2020	1,371
2021	1,183
2022	272
2023	71
2024 and after	0
Total minimum lease payments	4,323
Amounts representing interest	116
Present value of net minimum lease payments	4,207
Less current portion	1,345	651
Long-term capital lease obligations, December 31, 2018	2,862	1,859
Operating leases, future minimum payments due, fiscal year maturity [Abstract]
Year ending December 31, 2019	14,023
2020	11,272
2021	7,712
2022	5,129
2023	2,060
2024 and after	1,923
Total minimum lease payments	42,119
Operating leases, rent expense	9,594	7,998	$ 7,536
Equipment [Member]
Capital leased assets [Line Items]
Equipment	6,534	3,481
Less accumulated amortization	$ 1,797	$ 805

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Lease Obligations lessee, operating lease disclosure (Details)	12 Months Ended
	Dec. 31, 2018
Maximum [Member]
Lessor, Lease, Description [Line Items]
Lessee, Operating Lease, Term of Contract	5 years

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Common Shares, Redeemable Common Shares and Preferred Shares Common shares outstanding (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2018 USD ($) $ / shares shares	Dec. 31, 2017 USD ($) $ / shares shares	Dec. 31, 2016 USD ($) shares
Stock split, conversion ratio	2
Preferred shares
Preferred stock, shares authorized	4,000,000
Preferred stock, par value | $ / shares	$ 0
Preferred stock, shares issued	0
Redeemable stock, outstanding	5,642,154	6,467,027	7,056,904
Common stock, number of shares, par value and other disclosures [Abstract]
Common stock, shares authorized	48,000,000	48,000,000
Common stock, par value (in dollars per share) | $ / shares	$ 1.00	$ 1.00
Common stock, shares issued	37,271,606	36,446,890	35,856,856
Treasury stock, shares	20,033,108	18,692,901	17,990,620
Common shares, direct sales	17,992
Common shares, value, direct sales | $	$ 345
Stock issued during period, shares, employee benefit plan	395,586
Stock issued during period, value, employee retirement plan | $	$ 7,647
Common shares, employer matching contribution, shares	198,189
Employee retirement plan, employer match | $	$ 3,785
Accrued 401K match | $	$ 4,126
Stock issued during period, shares, employee stock purchase plan	348,973
Increase (decrease) in stockholders' equity [Roll Forward]
Shares outstanding, beginning of year	24,220,859	24,923,140
Shares purchased	(2,636,943)	(1,697,727)
Shares sold	960,740	662,806
Stock subscription offering, employee cash purchases	129,245	90,645
Options exercised	206,751	241,995
Shares outstanding, end of year	22,880,652	24,220,859	24,923,140
Per share amounts and common shares outstanding [Abstract]
Share-based compensation arrangement by share-based payment award, options, exercisable, number	889,814
Stock subscription offering, number of partially-paid subscriptions	690,260
Stock subscription offering, number of rights outstanding	241,236
Treasury stock [Member]
Common stock, number of shares, par value and other disclosures [Abstract]
Shares purchased, value | $	$ 51,116	$ 30,566	$ 25,290
Increase (decrease) in stockholders' equity [Roll Forward]
Shares purchased	(2,637,000)	(1,698,000)	(1,492,000)
Shares sold	961,000	663,000	617,000

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Common Shares, Redeemable Common Shares and Preferred Shares Stock subscription (Details)	12 Months Ended
	Dec. 31, 2018 USD ($) $ / shares shares
Stock subscription offering [Abstract]
Stock subscription offering, subscription price | $ / shares	$ 9.85
Stock subscription offering, number of shares subscribed | shares	1,275,428
stock subscription offering, value of shares subscribed | $	$ 12,563,000
Stock subscription offering, minimum financed amount | $	$ 5,000
Stock subscription offering, down payment	10.00%
Stock subscription offering, term	7 years
Stock subscription offering interest rate	2.00%
Stock subscription offering, minimum amount to receive right | $	$ 5,000
stock subscription offering, number of shares purchased to receive one right | shares	3
Stock subscription offering, number of rights issued | shares	423,600
Stock subscription offering, portion exercisable per year	14.29%
Stock subscription offering, right expiration term	7 years

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Common Shares, Redeemable Common Shares and Preferred Shares Common shares by class (Details) - shares	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Class of Stock [Line Items]
Shares, Outstanding	22,880,652	24,220,859	24,923,140
Treasury Stock, Shares, Acquired	(2,636,943)	(1,697,727)
Shares sold	960,740	662,806
Stock subscription offering, employee cash purchases	129,245	90,645
Options exercised	206,751	241,995
Permanent equity [Member]
Class of Stock [Line Items]
Shares, Outstanding	17,238,497	17,753,832	17,866,236
Treasury Stock, Shares, Acquired	(1,530,528)	(807,718)
Shares sold	679,197	362,674
Stock subscription offering, employee cash purchases	129,245	90,645
Options exercised	206,751	241,995
Temporary equity [Member]
Class of Stock [Line Items]
Shares, Outstanding	5,642,155	6,467,027	7,056,904
Treasury Stock, Shares, Acquired	(1,106,415)	(890,009)
Shares sold	281,543	300,132
Stock subscription offering, employee cash purchases	0	0
Options exercised	0	0

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Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Other Comprehensive Income [Line Items]
Accumulated other comprehensive income (loss)	$ (5,034,000)	$ (8,393,000)	$ (12,162,000)	$ (13,394,000)
Unrealized gains (losses)	(2,514,000)	2,195,000	744,000
Amounts reclassified from accumulated other comprehensive income (loss)	6,291,000	4,822,000	2,844,000
Tax effect	(145,000)	(1,962,000)	(1,137,000)
Unrecognized amounts from defined benefit pension plans	(279,000)	(2,169,000)	(2,032,000)
Tax effect	6,000	883,000	813,000
Net of tax amount	3,359,000	3,769,000	1,232,000
Foreign currency translation adjustments [Member]
Other Comprehensive Income [Line Items]
Accumulated other comprehensive income (loss)	(5,819,000)	(3,305,000)	(5,500,000)	(6,244,000)
Unrealized gains (losses)	(2,514,000)	2,195,000	744,000
Amounts reclassified from accumulated other comprehensive income (loss)	0	0	0
Tax effect	0	0	0
Unrecognized amounts from defined benefit pension plans	0	0	0
Tax effect	0	0	0
Net of tax amount	(2,514,000)	2,195,000	744,000
Defined benefit pension plans [Member]
Other Comprehensive Income [Line Items]
Accumulated other comprehensive income (loss)	785,000	(5,088,000)	(6,662,000)	$ (7,150,000)
Unrealized gains (losses)	0	0	0
Amounts reclassified from accumulated other comprehensive income (loss)	6,291,000	4,822,000	2,844,000
Tax effect	(145,000)	(1,962,000)	(1,137,000)
Unrecognized amounts from defined benefit pension plans	(279,000)	(2,169,000)	(2,032,000)
Tax effect	6,000	883,000	813,000
Net of tax amount	$ 5,873,000	$ 1,574,000	$ 488,000

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The Davey 401KSOP and Employee Stock Ownership Plan (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2018 USD ($) shares	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Employee Stock Ownership Plan (ESOP) disclosures [Line Items]
Employee stock ownership plan (ESOP), initial shares in ESOP | shares	120,000
Employee stock ownership plan (ESOP), shares adjusted for stock splits | shares	23,040,000
Employee stock ownership plan (ESOP), initial value in ESOP	$ 2,700
Defined contribution plan, eligible age	21
Defined contribution plan, service requirement for eligibility (in years)	1 year
Number of put option periods	2
Duration of put option periods (in days)	60 days
Employee Stock Ownership Plan (ESOP), Fair Value of Shares Subject to Repurchase Obligation	$ 6,288	$ 3,843
Company shares held in 401KSOP and ESOP, fair value	112,761	119,677
Redeemable common shares related to 401KSOP and Employee Stock Ownership Plan (ESOP):	119,049	123,520
Employee retirement plan, employer match	$ 4,053	$ 3,794	$ 3,661
First 1% [Member]
Employee Stock Ownership Plan (ESOP) disclosures [Line Items]
Defined contribution plan, employer matching contribution, percent	100.00%
1% to 4% [Member]
Employee Stock Ownership Plan (ESOP) disclosures [Line Items]
Defined contribution plan, employer matching contribution, percent	50.00%
Minimum [Member] | 1% to 4% [Member]
Employee Stock Ownership Plan (ESOP) disclosures [Line Items]
Defined contribution plan, employer matching contribution, percent	1.00%
Maximum [Member] | First 1% [Member]
Employee Stock Ownership Plan (ESOP) disclosures [Line Items]
Defined contribution plan, employer matching contribution, percent	1.00%
Maximum [Member] | 1% to 4% [Member]
Employee Stock Ownership Plan (ESOP) disclosures [Line Items]
Defined contribution plan, employer matching contribution, percent	4.00%

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Stock-Based Compensation (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Annual percentage of outstanding shares available for grant, maximum	5.00%
Cumulative percentage of outstanding shares available for grant in a year, maximum	10.00%
Salaries, Wages and Officers' Compensation [Abstract]
Compensation expense, stock-based compensation	$ 3,370	$ 4,049	$ 2,811
Income tax benefit	$ 602	$ 1,315	$ 823
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]
Volatility rate	10.10%	10.30%	10.60%
Risk-free interest rate	2.70%	2.20%	1.80%
Expected dividend yield	0.70%	0.70%	0.70%
Expected life of awards (years)	9 years 2 months 12 days	8 years 10 months 24 days	9 years 6 months
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding, ending balance	1,466,264
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Exercisable, ending balance	889,814
Outstanding, weighted average exercise price, ending balance		$ 13.05
Granted, weighted average exercise price	$ 19.10
Forfeited, weighted average exercise price	$ 13.29
Excess tax benefits	$ 453	$ 691	$ 1,113
Employee stock option [Member]
Salaries, Wages and Officers' Compensation [Abstract]
Compensation expense, stock-based compensation	$ 663	$ 705
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding, beginning balance	1,528,615
Granted	143,250
Exercised	(147,321)
Forfeited	58,280
Outstanding, ending balance		1,528,615
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Outstanding, weighted average exercise price, ending balance	$ 13.94
Exercised, weighted average exercise price	9.93
Exercisable, weighted average exercise price	$ 11.79
Outstanding, weighted average remaining contractual life (years)	5 years 10 months 10 days
Exercisable, weighted average remaining contractual life (years)	4 years 7 months 28 days
Unrecognized compensation cost	$ 1,393
Outstanding, aggregate intrinsic value	8,446
Exercisable, aggregate intrinisic value	$ 7,037
Number outstanding	1,466,264
Outstanding options, weighted average exercise price	$ 13.94
Number exercisable	889,814
Exercisable options, weighted average exercise price	$ 11.79
Employee stock option [Member] | $8.00 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Lower range limit	8
Upper range limit	$ 8
Number outstanding	88,413
Weighted average remaining contractual life (years)	10 months 2 days
Outstanding options, weighted average exercise price	$ 8.00
Number exercisable	88,413
Exercisable options, weighted average exercise price	$ 8.00
Employee stock option [Member] | $8.30 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Lower range limit	8.3
Upper range limit	$ 8.3
Number outstanding	107,000
Weighted average remaining contractual life (years)	1 year 10 months 2 days
Outstanding options, weighted average exercise price	$ 8.30
Number exercisable	107,000
Exercisable options, weighted average exercise price	$ 8.30
Employee stock option [Member] | $11.60 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Lower range limit	11.6
Upper range limit	$ 11.6
Number outstanding	270,414
Weighted average remaining contractual life (years)	4 years 5 months 23 days
Outstanding options, weighted average exercise price	$ 11.60
Number exercisable	270,414
Exercisable options, weighted average exercise price	$ 11.60
Employee stock option [Member] | $13.20 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Lower range limit	13.2
Upper range limit	$ 13.2
Number outstanding	284,822
Weighted average remaining contractual life (years)	5 years 6 months
Outstanding options, weighted average exercise price	$ 13.20
Number exercisable	211,422
Exercisable options, weighted average exercise price	$ 13.20
Employee stock option [Member] | $15.05 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Lower range limit	15.05
Upper range limit	$ 15.05
Number outstanding	219,965
Weighted average remaining contractual life (years)	6 years 6 months
Outstanding options, weighted average exercise price	$ 15.05
Number exercisable	112,765
Exercisable options, weighted average exercise price	$ 15.05
Employee stock option [Member] | $16.35 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Lower range limit	16.35
Upper range limit	$ 16.35
Number outstanding	230,800
Weighted average remaining contractual life (years)	7 years 6 months
Outstanding options, weighted average exercise price	$ 16.35
Number exercisable	77,800
Exercisable options, weighted average exercise price	$ 16.35
Employee stock option [Member] | $17.60 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Lower range limit	17.60
Upper range limit	$ 17.60
Number outstanding	129,300
Weighted average remaining contractual life (years)	8 years 5 months 23 days
Outstanding options, weighted average exercise price	$ 17.60
Number exercisable	22,000
Exercisable options, weighted average exercise price	$ 17.60
Employee stock option [Member] | $19.10 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Lower range limit	19.10
Upper range limit	$ 19.10
Number outstanding	135,550
Weighted average remaining contractual life (years)	9 years 6 months
Outstanding options, weighted average exercise price	$ 19.10
Number exercisable	0
Exercisable options, weighted average exercise price	$ 19.10
Equity option [Member]
Salaries, Wages and Officers' Compensation [Abstract]
Compensation expense, stock-based compensation			596
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]
Vesting period	10 years
Stock Appreciation Rights (SARs) [Member]
Salaries, Wages and Officers' Compensation [Abstract]
Compensation expense, stock-based compensation	$ 540	$ 1,035	591
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]
Vesting period	5 years
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Unvested, beginning balance	448,180
Granted	121,243
Forfeited	0
Vested	(188,441)
Unvested, ending balance	380,982	448,180
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]
Unvested, weighted average award date value, beginning balance	$ 3.10
Granted, weighted average award date value	3.84
Forfeited, weighted average award date value	0
Vested, weighted average award date value	2.93
Unvested, weighted average award date value, ending balance	$ 3.42	$ 3.10
Weighted average remaining contractual life (years)	2 years 4 months 24 days
Unrecognized compensation cost	$ 924
Aggregate intrinsic value, unvested	7,505
Restricted Stock Units (RSUs) [Member]
Salaries, Wages and Officers' Compensation [Abstract]
Compensation expense, stock-based compensation	$ 1,169	$ 1,421	897
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Unvested, beginning balance	290,666
Granted	44,926
Forfeited	0
Vested	(87,754)
Unvested, ending balance	247,838	290,666
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]
Unvested, weighted average award date value, beginning balance	$ 14.41
Granted, weighted average award date value	18.55
Forfeited, weighted average award date value	0
Vested, weighted average award date value	12.94
Unvested, weighted average award date value, ending balance	$ 15.68	$ 14.41
Weighted average remaining contractual life (years)	1 year 10 months 24 days
Unrecognized compensation cost	$ 1,727
Aggregate intrinsic value, unvested	$ 4,882
Employee PRSUs [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Granted	31,738
Unvested, ending balance	209,186
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]
Unvested, weighted average award date value, ending balance	$ 15.40
Weighted average remaining contractual life (years)	2 years 2 months 12 days
Unrecognized compensation cost	$ 1,401
Aggregate intrinsic value, unvested	$ 4,121
Nonemployee Director RSUs [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Granted	13,188
Unvested, ending balance	38,652
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]
Unvested, weighted average award date value, ending balance	$ 17.17
Weighted average remaining contractual life (years)	1 year 3 months 18 days
Unrecognized compensation cost	$ 326
Aggregate intrinsic value, unvested	761
The Davey Employee Stock Purchase Plan [Member]
Salaries, Wages and Officers' Compensation [Abstract]
Compensation expense, stock-based compensation	$ 998	$ 888	$ 727
Employee Stock Purchase Plan [Abstract]
Employee stock purchase plan, service period (in years)	1 year
Employee stock purchase plan, percentage of market price, purchase date	85.00%
Employee stock purchase, discount from market price, purchase date	15.00%

XML

Defined Benefit Pension Plans Change in benefit obligation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Defined benefit plan, change in benefit obligation [Roll Forward]
Projected benefit obligation at beginning of year	$ 19,403	$ 24,833
Service cost	400	530	$ 370
Interest cost	718	1,002	1,243
Actuarial (gains)/losses	(77)	1,865
Amendments	0	0
Settlements	(13,118)	(8,400)
Benefits paid	(262)	(427)
Projected benefit obligation at end of year	7,064	19,403	$ 24,833
Accumulated benefit obligation at end of year	$ 7,064	$ 19,403

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Defined Benefit Pension Plans Change in fair value of plan assets (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Defined benefit plan, change in fair value of plan assets [Roll Forward]
Fair value of plan assets at beginning of year	$ 7,105	$ 11,509
Actual return on plan assets	239	845
Plan expenses, including PBGC premiums	(364)	(513)
Employer contributions	10,158	4,091
Settlements	(13,118)	(8,400)
Fair value of plan assets at end of year	3,758	7,105
Defined Benefit Plan, Plan Assets, Benefits Paid	$ (262)	$ (427)
Employee retirement plan [Member]
Defined benefit plan disclosure [Line Items]
Defined benefit plan, number of employees settled	905

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Defined Benefit Pension Plans Funded status of the plans (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Defined benefit plan disclosure [Line Items]
Fair value of plan assets	$ 3,758	$ 7,105	$ 11,509
Projected benefit obligation	7,064	19,403	$ 24,833
Funded status of the plans	(3,306)	(12,298)
Defined Benefit Plan, Plan Name ERP Funded Status	(332)	(9,084)
Defined Benefit Plan, Plan Name SERP Funded Status	(2,564)	(2,759)
Defined Benefit Plan, Plan Name Restoration Plan Funded Status	$ (410)	$ (455)

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Defined Benefit Pension Plans Amounts reported in the consolidated balance sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Defined benefit plan disclosure [Line Items]
Current liability	$ (187)	$ (175)
Noncurrent liability	(3,119)	(12,123)
Funded status of the plans	$ (3,306)	$ (12,298)

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Defined Benefit Pension Plans Amounts reported in accumulated other comprehensive income (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Amounts reported in accumulated other comprehensive income
Unrecognized net actuarial loss, pretax	$ 2,139	$ 8,086
Unrecognized net actuarial loss, net of tax	(714)	4,919
Unrecognized prior service cost, pretax	214	278
Unrecognized prior service cost, net of tax	(71)	169
Amounts reported in accumulated other comprehensive income, pretax	2,353	8,364
Amounts reported in accumulated other comprehensive income, net of tax	(785)	5,088
Amortization of Costs Expected to be Recognized Next Year
Unrecognized net actuarial loss, pretax	175
Unrecognized net actuarial loss, net of tax	131
Unrecognized prior service cost, pretax	64
Unrecognized prior service cost, net of tax	48
Amortization of costs expected to be recognized next year, pretax	239
Amortization of costs expected to be recognized next year, net of tax	179
For pension plans with accumulated benefit obligations in excess of plan assets
Projected benefit obligation	7,064	19,403	$ 24,833
Accumulated benefit obligation	7,064	19,403
Fair value of plan assets	$ 3,758	$ 7,105	$ 11,509

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Defined Benefit Pension Plans Actuarial Assumptions (Details)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Defined benefit plan disclosure [Line Items]
Discount rate	4.35%	3.70%	4.20%
Expected long-term rate of return on plan assets	2.50%	2.50%	5.00%
Fixed income and cash [Member]
Defined benefit plan disclosure [Line Items]
Defined benefit plan, target plan asset allocations		100.00%
Fixed Income Investments [Member]
Defined benefit plan disclosure [Line Items]
Defined benefit plan, target plan asset allocations		5.00%
Minimum [Member]
Defined benefit plan disclosure [Line Items]
Defined benefit plan, risk management practices, investment evaluation period	3 years
Minimum [Member] | Equity securities [Member]
Defined benefit plan disclosure [Line Items]
Defined benefit plan, target plan asset allocations		20.00%
Minimum [Member] | Fixed income and cash [Member]
Defined benefit plan disclosure [Line Items]
Defined benefit plan, target plan asset allocations		50.00%
Minimum [Member] | Alternative investments [Member]
Defined benefit plan disclosure [Line Items]
Defined benefit plan, target plan asset allocations		0.00%
Maximum [Member]
Defined benefit plan disclosure [Line Items]
Defined benefit plan, risk management practices, investment evaluation period	5 years
Maximum [Member] | Equity securities [Member]
Defined benefit plan disclosure [Line Items]
Defined benefit plan, target plan asset allocations		40.00%
Maximum [Member] | Fixed income and cash [Member]
Defined benefit plan disclosure [Line Items]
Defined benefit plan, target plan asset allocations		70.00%
Maximum [Member] | Alternative investments [Member]
Defined benefit plan disclosure [Line Items]
Defined benefit plan, target plan asset allocations		15.00%

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Defined Benefit Pension Plans Components of Pension Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Service costs--increase in benefit obligation earned	$ 400	$ 530	$ 370
Interest cost on projected benefit obligation	718	1,002	1,243
Expected return on plan assets	(231)	(638)	(1,044)
Curtailment loss	0	0	0
Settlement loss	5,499	3,849	2,346
Amortization of net actuarial loss	728	909	951
Amortization of prior service cost	64	64	0
Net pension expense of defined benefit pension plans	$ 7,178	$ 5,716	$ 3,866

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Defined Benefit Pension Plans Fair Value of Plan Assets (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Defined benefit plan disclosure [Line Items]
Total carrying value	$ 3,758	$ 7,105
Fair value of plan assets	3,758	7,105	$ 11,509
Quoted prices in active markets, (level 1) [Member]
Defined benefit plan disclosure [Line Items]
Fair value of plan assets	0	6,208
Significant other observable inputs, (level 2) [Member]
Defined benefit plan disclosure [Line Items]
Fair value of plan assets	3,758	897
Significant unobservable inputs, (level 3) [Member]
Defined benefit plan disclosure [Line Items]
Fair value of plan assets	0	0
Money market funds
Defined benefit plan disclosure [Line Items]
Total carrying value	3,758	897
Money market funds | Quoted prices in active markets, (level 1) [Member]
Defined benefit plan disclosure [Line Items]
Fair value of plan assets		0
Money market funds | Significant other observable inputs, (level 2) [Member]
Defined benefit plan disclosure [Line Items]
Fair value of plan assets	3,758	897
Money market funds | Significant unobservable inputs, (level 3) [Member]
Defined benefit plan disclosure [Line Items]
Fair value of plan assets	0	0
U.S. large-cap equities, growth [Member]
Defined benefit plan disclosure [Line Items]
Total carrying value	0	576
U.S. large-cap equities, growth [Member] | Quoted prices in active markets, (level 1) [Member]
Defined benefit plan disclosure [Line Items]
Fair value of plan assets		576
U.S. large-cap equities, growth [Member] | Significant other observable inputs, (level 2) [Member]
Defined benefit plan disclosure [Line Items]
Fair value of plan assets	0	0
U.S. large-cap equities, growth [Member] | Significant unobservable inputs, (level 3) [Member]
Defined benefit plan disclosure [Line Items]
Fair value of plan assets	0	0
U.S. large-cap equities, value [Member]
Defined benefit plan disclosure [Line Items]
Total carrying value	0	542
U.S. large-cap equities, value [Member] | Quoted prices in active markets, (level 1) [Member]
Defined benefit plan disclosure [Line Items]
Fair value of plan assets		542
U.S. large-cap equities, value [Member] | Significant other observable inputs, (level 2) [Member]
Defined benefit plan disclosure [Line Items]
Fair value of plan assets	0	0
U.S. large-cap equities, value [Member] | Significant unobservable inputs, (level 3) [Member]
Defined benefit plan disclosure [Line Items]
Fair value of plan assets	0	0
U.S. small/mid-cap equities, growth [Member]
Defined benefit plan disclosure [Line Items]
Total carrying value	0	246
U.S. small/mid-cap equities, growth [Member] | Quoted prices in active markets, (level 1) [Member]
Defined benefit plan disclosure [Line Items]
Fair value of plan assets		246
U.S. small/mid-cap equities, growth [Member] | Significant other observable inputs, (level 2) [Member]
Defined benefit plan disclosure [Line Items]
Fair value of plan assets	0	0
U.S. small/mid-cap equities, growth [Member] | Significant unobservable inputs, (level 3) [Member]
Defined benefit plan disclosure [Line Items]
Fair value of plan assets	0	0
U.S. small/mid-cap equities, value [Member]
Defined benefit plan disclosure [Line Items]
Total carrying value	0	247
U.S. small/mid-cap equities, value [Member] | Quoted prices in active markets, (level 1) [Member]
Defined benefit plan disclosure [Line Items]
Fair value of plan assets		247
U.S. small/mid-cap equities, value [Member] | Significant other observable inputs, (level 2) [Member]
Defined benefit plan disclosure [Line Items]
Fair value of plan assets	0	0
U.S. small/mid-cap equities, value [Member] | Significant unobservable inputs, (level 3) [Member]
Defined benefit plan disclosure [Line Items]
Fair value of plan assets	0	0
International equities, growth [Member]
Defined benefit plan disclosure [Line Items]
Total carrying value	0	376
International equities, growth [Member] | Quoted prices in active markets, (level 1) [Member]
Defined benefit plan disclosure [Line Items]
Fair value of plan assets		376
International equities, growth [Member] | Significant other observable inputs, (level 2) [Member]
Defined benefit plan disclosure [Line Items]
Fair value of plan assets	0	0
International equities, growth [Member] | Significant unobservable inputs, (level 3) [Member]
Defined benefit plan disclosure [Line Items]
Fair value of plan assets	0	0
International equities, value [Member]
Defined benefit plan disclosure [Line Items]
Total carrying value	0	366
International equities, value [Member] | Quoted prices in active markets, (level 1) [Member]
Defined benefit plan disclosure [Line Items]
Fair value of plan assets		366
International equities, value [Member] | Significant other observable inputs, (level 2) [Member]
Defined benefit plan disclosure [Line Items]
Fair value of plan assets	0	0
International equities, value [Member] | Significant unobservable inputs, (level 3) [Member]
Defined benefit plan disclosure [Line Items]
Fair value of plan assets	0	0
Fixed income
Defined benefit plan disclosure [Line Items]
Total carrying value	0	3,070
Fixed income | Quoted prices in active markets, (level 1) [Member]
Defined benefit plan disclosure [Line Items]
Fair value of plan assets		3,070
Fixed income | Significant other observable inputs, (level 2) [Member]
Defined benefit plan disclosure [Line Items]
Fair value of plan assets	0	0
Fixed income | Significant unobservable inputs, (level 3) [Member]
Defined benefit plan disclosure [Line Items]
Fair value of plan assets	0	0
Multiclass world-allocation mutual funds
Defined benefit plan disclosure [Line Items]
Total carrying value	0	785
Multiclass world-allocation mutual funds | Quoted prices in active markets, (level 1) [Member]
Defined benefit plan disclosure [Line Items]
Fair value of plan assets		785
Multiclass world-allocation mutual funds | Significant other observable inputs, (level 2) [Member]
Defined benefit plan disclosure [Line Items]
Fair value of plan assets	0	0
Multiclass world-allocation mutual funds | Significant unobservable inputs, (level 3) [Member]
Defined benefit plan disclosure [Line Items]
Fair value of plan assets	$ 0	$ 0
Employee retirement plan [Member]
Defined benefit plan disclosure [Line Items]
Defined benefit plan, number of employees settled	905

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Defined Benefit Pension Plans Expected Benefits (Details) $ in Thousands	Dec. 31, 2018 USD ($)
Defined benefit plan disclosure [Line Items]
Year ending December 31, 2019	$ 356
2020	379
2021	384
2022	386
2023	389
Years 2024 to 2028	1,986
Pension plans, defined benefit [Member]
Defined benefit plan disclosure [Line Items]
Defined benefit plans, estimated future employer contributions in next fiscal year	$ 191

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Defined Benefit Pension Plans Multiemployer Pension Plans (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Multiemployer Plans [Line Items]
Multiemployer plan, period contributions	$ 910	$ 887	$ 802
National Electric Benefit Fund [Member]
Multiemployer Plans [Line Items]
Number of collective-bargaining agreements	10
Multiemployer plan, period contributions	$ 768	785	712
Eighth District Electrical Pension Fund [Member]
Multiemployer Plans [Line Items]
Number of collective-bargaining agreements	1
Multiemployer plan, period contributions	$ 142	$ 102	$ 90

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Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2018	Dec. 31, 2017
Segment Reporting Information [Line Items]
Remeasurement of deferred tax assets and liabilities		$ 1,000
Income tax liability, transition toll tax					$ 6,100
Income before income taxes
Income before income taxes	$ 37,496	37,994	$ 37,244
Provision for income taxes
Federal	3,165	9,914	12,216
State	2,290	2,469	2,286
Canadian	50	(262)	398
Total current	5,505	12,121	14,900
Deferred taxes	4,014	3,753	60
Total taxes on income	$ 9,519	$ 15,874	$ 14,960
Tax rate reconciliation
Statutory U.S. federal tax rate	21.00%	35.00%	35.00%
State income taxes, net of federal benefit	5.70%	4.90%	4.00%
Effect of Canadian income taxes	0.10%	0.30%	(0.20%)
Nondeductible expenses	2.10%	2.20%	2.20%
ESOP dividend deduction	(0.30%)	(0.60%)	(0.70%)
Uncertain tax adjustments and audit settlement	(3.80%)	(0.20%)	0.20%
Income tax reform - deferred rate remeasurement	0.00%	2.50%	0.00%
All other, net	0.60%	(2.30%)	(0.30%)
Effective income tax rate	25.40%	41.80%	40.20%
Noncurrent deferred tax assets and liabilities, net
Self-insurance accruals				$ 17,579	14,186
Accrued compensated absences				1,565	1,747
Accrued expenses and other liabilities				742	798
Accrued stock compensation				1,772	1,571
Defined benefit pension plans				442	2,289
Foreign tax credit carryforward				2,117	605
Other future deductible amounts, net				3,271	3,661
Deferred tax assets, gross,noncurrent				27,488	24,857
Less deferred tax asset valuation allowance				1,683	0
Deferred tax assets, net--noncurrent				25,805	24,857
Intangibles				1,178	969
Prepaid expenses				3,160	2,300
Property and equipment				20,894	16,773
Deferred Tax Liabilities, Gross, Noncurrent				25,232	20,042
Net deferred tax assets--noncurrent				573	4,815
Undistributed earnings of foreign subsidiaries				28,856
Unrecognized benefits and related interest and penalties
Unrecognized tax benefits	$ 2,581	$ 2,532	$ 2,557	1,325	2,581
Portion, if recognized, would reduce tax expense and effective tax rate				599	1,948
Accrued interest on unrecognized tax benefits				$ 35	$ 128
Reconciliation of unrecognized tax benefits
Balance, beginning of year	2,581	2,532	2,557
Additions based on tax positions related to the current year	224	650	402
Additions for tax positions of prior years	20	0	51
Reductions for tax positions of prior years	(1,500)	(21)	(39)
Lapses in statutes of limitations	0	(580)	(439)
Balance, end of year	1,325	2,581	2,532
United States
Income before income taxes
Income before income taxes	37,377	38,800	35,867
Canada
Income before income taxes
Income before income taxes	$ 119	$ (806)	$ 1,377

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Earnings Per Share Information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 29, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jul. 01, 2017	Apr. 01, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Earnings Per Share [Abstract]
Net income	$ 4,506	$ 8,384	$ 21,714	$ (6,627)	$ 1,547	$ 10,237	$ 14,223	$ (3,887)	$ 27,977	$ 22,120	$ 22,284
Weighted-average shares, basic
Outstanding									23,698,478	24,793,086	25,378,600
Partially-paid share subscriptions									690,260	764,382	833,440
Basic weighted-average shares									24,388,738	25,557,468	26,212,040
Weighted-average shares, diluted
Exercise of stock subscription purchase rights									141,287	146,453	142,746
Exercise of stock options and awards									950,593	993,141	892,568
Diluted weighted-average shares									25,480,618	26,697,062	27,247,354
Earnings per share--basic	$ 0.12	$ 0.35	$ 0.94	$ (0.26)	$ 0.04	$ 0.41	$ 0.57	$ (0.15)	$ 1.15	$ 0.87	$ 0.85
Earnings per share--diluted	$ 0.13	$ 0.34	$ 0.89	$ (0.26)	$ 0.04	$ 0.39	$ 0.55	$ (0.15)	$ 1.10	$ 0.83	$ 0.82

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Operations by Business Segment and Geographic Information Operations by Busines Segment (Details) $ in Thousands		3 Months Ended								12 Months Ended
		Dec. 31, 2018 USD ($)	Sep. 29, 2018 USD ($)	Jun. 30, 2018 USD ($)	Mar. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Sep. 30, 2017 USD ($)	Jul. 01, 2017 USD ($)	Apr. 01, 2017 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments										2
Revenues										$ 1,024,791	$ 915,958	$ 845,678
Income (loss) from operations		$ 16,971	$ 14,585	$ 29,800	$ (5,666)	$ 11,478	$ 19,049	$ 25,659	$ (3,995)	55,690	52,191	48,867
Interest expense										7,039	4,886	4,393
Interest income										350	292	255
Other										(11,505)	(9,603)	(7,485)
Income before income taxes										37,496	37,994	37,244
Depreciation										54,914	50,702	47,284
Amortization										2,055	2,384	2,306
Capital expenditures										60,410	57,100	56,646
Segment assets, total		526,623				473,135				526,623	473,135	423,939
Utility Services
Segment Reporting Information [Line Items]
Revenues										537,484	466,727	433,379
Income (loss) from operations										32,370	18,223	19,256
Depreciation										29,526	27,928	26,855
Amortization										211	122	135
Capital expenditures										32,148	26,910	28,660
Segment assets, total		239,426				189,662				239,426	189,662	171,220
Residential Commercial Services
Segment Reporting Information [Line Items]
Revenues										486,005	446,028	410,878
Income (loss) from operations										47,812	41,158	36,640
Depreciation										21,720	19,384	17,198
Amortization										1,842	2,240	2,136
Capital expenditures										22,256	23,199	21,819
Segment assets, total		208,369				197,698				208,369	197,698	166,858
All Other
Segment Reporting Information [Line Items]
Revenues										1,302	3,203	1,421
Income (loss) from operations										(19,816)	(2,634)	(4,318)
Depreciation										0	0	0
Amortization										0	0	0
Capital expenditures										0	0	0
Segment assets, total		0				0				0	0	0
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Revenues										0	0	0
Income (loss) from operations	[1]									(4,676)	(4,556)	(2,711)
Interest expense										7,039	4,886	4,393
Interest income										350	292	255
Other										(11,505)	(9,603)	(7,485)
Depreciation	[2]									3,668	3,390	3,231
Amortization										2	22	35
Capital expenditures										6,006	6,991	6,167
Segment assets, total	[3]	$ 78,828				$ 85,775				$ 78,828	$ 85,775	$ 85,861

[1] Reconciling adjustments from segment reporting to consolidated external financial reporting include reclassification of depreciation expense and allocation of corporate expenses.

[2] Adjustments to declining-balance method depreciation expense from straight-line method and depreciation and amortization of corporate assets.

[3] Corporate assets include cash, prepaid expenses, corporate facilities, enterprise-wide information systems and other nonoperating assets.

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Operations by Business Segment and Geographic Information Geographic Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Segment Reporting Information [Line Items]
Revenues	$ 1,024,791	$ 915,958	$ 845,678
Long-lived assets, net	271,555	264,011	245,166
United States
Segment Reporting Information [Line Items]
Revenues	949,317	847,540	775,870
Long-lived assets, net	251,181	242,118	224,727
Canada
Segment Reporting Information [Line Items]
Revenues	75,474	68,418	69,808
Long-lived assets, net	$ 20,374	$ 21,893	$ 20,439

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Revenue Recognition (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Disaggregation of revenue [Line Items]
Revenue from contracts with customers	$ 1,024,791
Contract with customer, asset and liability [Abstract]
Revenue recognized	1,443
Contract liabilities - current	2,907	$ 2,072
Contract liabilities - noncurrent	2,287	2,020
Net contract liabilities	5,194	$ 4,092
Utility
Disaggregation of revenue [Line Items]
Revenue from contracts with customers	537,484
Residential and Commercial
Disaggregation of revenue [Line Items]
Revenue from contracts with customers	486,005
All Other
Disaggregation of revenue [Line Items]
Revenue from contracts with customers	1,302
United States
Disaggregation of revenue [Line Items]
Revenue from contracts with customers	949,317
United States | Utility
Disaggregation of revenue [Line Items]
Revenue from contracts with customers	499,242
United States | Residential and Commercial
Disaggregation of revenue [Line Items]
Revenue from contracts with customers	448,773
United States | All Other
Disaggregation of revenue [Line Items]
Revenue from contracts with customers	1,302
Canada
Disaggregation of revenue [Line Items]
Revenue from contracts with customers	75,474
Canada | Utility
Disaggregation of revenue [Line Items]
Revenue from contracts with customers	38,242
Canada | Residential and Commercial
Disaggregation of revenue [Line Items]
Revenue from contracts with customers	37,232
Canada | All Other
Disaggregation of revenue [Line Items]
Revenue from contracts with customers	0
Tree and plant care
Disaggregation of revenue [Line Items]
Revenue from contracts with customers	683,901
Tree and plant care | Utility
Disaggregation of revenue [Line Items]
Revenue from contracts with customers	394,481
Tree and plant care | Residential and Commercial
Disaggregation of revenue [Line Items]
Revenue from contracts with customers	290,940
Tree and plant care | All Other
Disaggregation of revenue [Line Items]
Revenue from contracts with customers	(1,520)
Grounds maintenance
Disaggregation of revenue [Line Items]
Revenue from contracts with customers	117,498
Grounds maintenance | Utility
Disaggregation of revenue [Line Items]
Revenue from contracts with customers	0
Grounds maintenance | Residential and Commercial
Disaggregation of revenue [Line Items]
Revenue from contracts with customers	117,498
Grounds maintenance | All Other
Disaggregation of revenue [Line Items]
Revenue from contracts with customers	0
Storm damage services
Disaggregation of revenue [Line Items]
Revenue from contracts with customers	23,311
Storm damage services | Utility
Disaggregation of revenue [Line Items]
Revenue from contracts with customers	13,864
Storm damage services | Residential and Commercial
Disaggregation of revenue [Line Items]
Revenue from contracts with customers	9,447
Storm damage services | All Other
Disaggregation of revenue [Line Items]
Revenue from contracts with customers	0
Consulting and other
Disaggregation of revenue [Line Items]
Revenue from contracts with customers	200,081
Consulting and other | Utility
Disaggregation of revenue [Line Items]
Revenue from contracts with customers	129,139
Consulting and other | Residential and Commercial
Disaggregation of revenue [Line Items]
Revenue from contracts with customers	68,120
Consulting and other | All Other
Disaggregation of revenue [Line Items]
Revenue from contracts with customers	$ 2,822

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Fair Value Measurements and Financial Instruments Fair Value Measurements (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Fair value, assets and liabilities measured on recurring and nonrecurring basis [Line Items]
Defined benefit pension plan assets	$ 3,758	$ 7,105	$ 11,509
Revolving credit facility, noncurrent	93,500	100,000
Total	155,563	117,351
Quoted prices in active markets, (level 1) [Member]
Fair value, assets and liabilities measured on recurring and nonrecurring basis [Line Items]
Defined benefit pension plan assets	0	6,208
Significant other observable inputs, (level 2) [Member]
Fair value, assets and liabilities measured on recurring and nonrecurring basis [Line Items]
Defined benefit pension plan assets	3,758	897
Significant unobservable inputs (level 3) [Member]
Fair value, assets and liabilities measured on recurring and nonrecurring basis [Line Items]
Defined benefit pension plan assets	0	0
Fair value measurements, recurring [Member] | Quoted prices in active markets, (level 1) [Member]
Fair value, assets and liabilities measured on recurring and nonrecurring basis [Line Items]
Assets invested for self-insurance, classified as other assets, noncurrent	15,379	19,422
Defined benefit pension plan assets	0	6,208
Deferred compensation	0	0
Fair value measurements, recurring [Member] | Significant other observable inputs, (level 2) [Member]
Fair value, assets and liabilities measured on recurring and nonrecurring basis [Line Items]
Assets invested for self-insurance, classified as other assets, noncurrent	0	0
Defined benefit pension plan assets	3,758	897
Deferred compensation	2,459	2,146
Fair value measurements, recurring [Member] | Significant unobservable inputs (level 3) [Member]
Fair value, assets and liabilities measured on recurring and nonrecurring basis [Line Items]
Assets invested for self-insurance, classified as other assets, noncurrent	0	0
Defined benefit pension plan assets	0	0
Deferred compensation	0	0
Fair value [Member]
Fair value, assets and liabilities measured on recurring and nonrecurring basis [Line Items]
Revolving credit facility, noncurrent	93,500	100,000
Senior unsecured notes	56,002	12,389
Term loans, noncurrent	6,868	10,038
Total	156,370	122,427
Total carrying value [Member]
Fair value, assets and liabilities measured on recurring and nonrecurring basis [Line Items]
Revolving credit facility, noncurrent	93,500	100,000
Senior unsecured notes	56,000	12,000
Term loans, noncurrent	6,662	7,935
Total	156,162	119,935
Total carrying value [Member] | Fair value measurements, recurring [Member]
Fair value, assets and liabilities measured on recurring and nonrecurring basis [Line Items]
Assets invested for self-insurance, classified as other assets, noncurrent	15,379	19,422
Defined benefit pension plan assets	3,758	7,105
Deferred compensation	$ 2,459	$ 2,146

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Commitments and Contingencies (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Loss contingency number of claims alleged	3
Letter of credit [Member]
Letters of credit outstanding	$ 72,565	$ 63,242
Former Davey employee defendants [Member]
Loss contingency, number of defendants	1
Employee and former employee defendants [Member]
Loss contingency, number of defendants	4
Former Wolf employee defendants [Member]
Loss contingency, number of defendants	1
Former Wolf employee defendants indicted [Member]
Loss contingency, number of defendants	2
Other individuals [Member]
Loss contingency, number of defendants	1

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Quarterly Results of Operations (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 29, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jul. 01, 2017	Apr. 01, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Quarterly Financial Information Disclosure [Abstract]
Revenues	$ 280,173	$ 265,318	$ 270,649	$ 208,651	$ 228,520	$ 249,588	$ 245,037	$ 192,813	$ 1,024,791	$ 915,958	$ 845,678
Gross profit (revenues less costs and expenses, operating)	98,215	94,193	102,967	64,028	83,986	91,973	93,512	59,154
Income (loss) from operations	16,971	14,585	29,800	(5,666)	11,478	19,049	25,659	(3,995)	55,690	52,191	48,867
Net income (loss)	$ 4,506	$ 8,384	$ 21,714	$ (6,627)	$ 1,547	$ 10,237	$ 14,223	$ (3,887)	$ 27,977	$ 22,120	$ 22,284
Net income (loss) per share -- Basic	$ 0.12	$ 0.35	$ 0.94	$ (0.26)	$ 0.04	$ 0.41	$ 0.57	$ (0.15)	$ 1.15	$ 0.87	$ 0.85
Net income (loss) per share -- Diluted	0.13	0.34	0.89	(0.26)	0.04	0.39	0.55	(0.15)	$ 1.10	$ 0.83	$ 0.82
ESOT valuation per share	$ 21.10	$ 19.70	$ 19.70	$ 19.10	$ 19.10	$ 18.30	$ 18.30	$ 17.60
Decrease in casualty insurance expense	$ (7,324)				$ 2,735

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Subsequent Events (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Customer concentration risk [Member]
Concentration risk [Line Items]
Pre-petition accounts receivable balance	$ 13,000
Credit concentration risk [Member]
Concentration risk [Line Items]
Percent of sales	12.00%	11.00%	12.00%

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Subsequent Events Business combination (Details) $ in Thousands	2 Months Ended	12 Months Ended
	Mar. 11, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Business acquisition [Line Items]
Number of Businesses Acquired	2
Consideration transferred		$ 8,461	$ 7,452	$ 3,797
Liabilities assumed		2,381	2,713	216
Debt issued		$ 2,402	$ 3,099	$ 875
Subsequent event [Member]
Business acquisition [Line Items]
Consideration transferred	$ 3,950
Liabilities assumed	0
Debt issued	$ 1,092

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Subsequent Events Debt issuance (Details) $ in Thousands	Feb. 05, 2019 USD ($)	Dec. 31, 2018 USD ($)
Debt instrument [Line Items]
Number of principal payments		5
Anniversary when principal payments begin		6
3.99% Senior unsecured notes [Member]
Debt instrument [Line Items]
Senior unsecured notes, interest rate		3.99%
Unsecured debt additional shelf note capacity		$ 50,000
Subsequent event [Member]
Debt instrument [Line Items]
Number of principal payments	5
Subsequent event [Member] | 4.00% Senior unsecured notes [Member]
Debt instrument [Line Items]
Senior unsecured notes, interest rate	4.00%
Unsecured debt additional shelf note capacity	$ 25,000
Subsequent event [Member] | 3.99% Senior unsecured notes [Member]
Debt instrument [Line Items]
Unsecured debt additional shelf note capacity allowed by credit facility	$ 25,000