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Summary of Significant Accounting Policies (Policies)

6 Months Ended

Jun. 30, 2019

Trade accounts receivable are recorded at the invoiced amount and do not bear interest. The allowance for doubtful accounts represents the Company’s best estimate of probable credit losses in its existing trade accounts receivable. The Company determines the allowance based upon a review of both specific accounts for collection and the age of the accounts receivable portfolio.

Inventories

Inventories are valued at the lower of cost or net realizable value. Cost, which includes direct materials, labor and overhead, is generally determined using the first in, first out (FIFO) method. The estimated net realizable value is based on assumptions for future demand and related pricing. Adjustments to the cost basis of the Company’s inventory are made for excess and obsolete items based on usage, orders and technological obsolescence. If actual market conditions are less favorable than those projected by management, reductions in the value of inventory may be required.

Inventories consisted of the following:



	June 30, 2019		December 31, 2018
Raw materials and parts	$	128,624	$	122,945
Work-in-progress	48,294		47,098
Finished goods	109,429		98,778
	$	286,347	$	268,821

Goodwill and Other Intangible Assets

Goodwill, representing the excess of purchase price over the net asset value of companies acquired, and indefinite-lived intangible assets are not amortized, but are reviewed for impairment annually in the fourth quarter, or more frequently if events or changes in circumstances indicate that an asset might be impaired. The annual evaluation for goodwill and indefinite-lived intangible assets are generally based on an assessment of qualitative and quantitative factors to determine whether it is more likely than not that the fair value of the asset is less than its carrying amount.

Other intangible assets include indefinite-lived assets and assets subject to amortization. Where applicable, amortization is charged on a straight-line basis over the expected period of benefit. The straight-line method of amortization reflects an appropriate allocation of the cost of the intangible assets to earnings in proportion to the amount of economic benefits obtained by the Company in each reporting period. The Company assesses the initial acquisition of intangible assets in accordance with the provisions of ASC 805 "Business Combinations" and the continued accounting for previously recognized intangible assets and goodwill in accordance with the provisions of ASC 350 "Intangible - Goodwill and Other" and ASC 360 "Property, Plant and Equipment".

Other intangible assets consisted of the following:



	June 30, 2019							December 31, 2018
	Gross Amount		Accumulated Amortization			Intangibles, Net		Gross Amount		Accumulated Amortization			Intangibles, Net
Customer relationships	$	197,827	$	(54,520	)	$	143,307	$	197,942	$	(49,887	)	$	148,055
Proven technology and patents	74,924		(44,873		)	30,051		73,880		(42,750		)	31,130
Tradenames (finite life)	4,598		(2,963		)	1,635		4,504		(2,874		)	1,630
Tradenames (indefinite life)	35,491		—			35,491		35,500		—			35,500
Other	3,718		(2,991		)	727		3,684		(2,691		)	993
	$	316,558	$	(105,347	)	$	211,211	$	315,510	$	(98,202	)	$	217,308

The Company recognized amortization expense associated with the above intangible assets of $3.7 million and $3.5 million for the three months ended June 30, 2019 and 2018, respectively and $7.4 million and $7.1 million for the six months ended June 30, 2019 and 2018, respectively. The annual aggregate amortization expense based on the current balance of other intangible assets is estimated at $15.1 million for 2019, $15.4 million for 2020, $14.1 million for 2021, $12.7 million for 2022, $13.3 million for 2023 and $11.7 million for 2024. Purchased intangible amortization was $3.5 million, $2.6 million after tax, and $3.3 million, $2.5 million after tax, for the three months ended June 30, 2019 and 2018, respectively and $6.9 million, $5.2 million after tax, and $6.7 million, $5.0 million after tax, for the six months ended June 30, 2019 and 2018, respectively.

In addition to the above amortization, the Company recorded amortization expense associated with capitalized software of $8.5 million and $8.4 million for the three months ended June 30, 2019 and 2018, respectively and $17.0 million and $16.5 million for the six months ended June 30, 2019 and 2018, respectively.

Revenue Recognition

Product revenue is recognized from contracts with customers when a customer has obtained control of a product. The Company considers control to have transferred based upon shipping terms. To the extent the Company’s arrangements have a separate performance obligation, revenue related to any post-shipment performance obligation is deferred until completed. Shipping and handling costs charged to customers are included in total net sales and the associated expense is a component of cost of sales. Certain products are also sold through indirect distribution channels whereby the distributor assumes any further obligations to the end customer. Revenue is recognized on these distributor arrangements upon transfer of control to the distributor. Contracts do not contain variable pricing arrangements that are retrospective, except for rebate programs. Rebates are estimated based on expected sales volumes and offset against revenue at the time such revenue is recognized. The Company generally maintains the right to accept or reject a product return in its terms and conditions and also maintains appropriate accruals for outstanding credits. The related provisions for estimated returns and rebates are immaterial to the consolidated financial statements.

Certain of the Company’s product arrangements include separate performance obligations, primarily related to installation. Such performance obligations are accounted for separately when the deliverables have stand-alone value and the satisfaction of the undelivered performance obligations is probable and within the Company's control. The allocation of revenue between the performance obligations is based on the observable stand-alone selling prices at the time of the sale in accordance with a number of factors including service technician billing rates, time to install, and geographic location.

Software is generally not considered a distinct performance obligation with the exception of a few small software applications. The Company generally does not sell software products without the related hardware instrument as the software is embedded in the product. The Company’s products typically require no significant production, modification, or customization of the hardware or software that is essential to the functionality of the products.

Service revenue not under contract is recognized upon the completion of the service performed. Revenue from spare parts sold on a stand-alone basis is recognized when control is transferred to the customer, which is generally at the time of shipment or delivery. Revenue from service contracts is recognized ratably over the contract period using a time-based method. These contracts represent an obligation to perform repair and other services including regulatory compliance qualification, calibration, certification, and preventative maintenance on a customer’s pre-defined equipment over the contract period.

Lessee, Leases [Policy Text Block]

Leases

The Company considers an arrangement a lease if the arrangement transfers the right to control the use of an identified asset in exchange for consideration. The Company has operating leases, but does not have financing leases.

Operating lease right-of-use assets represent the right to use an underlying asset for the lease term, and lease liabilities represent the obligation to make payments arising from the lease agreement. These assets and liabilities are recognized at the commencement of the lease based upon the present value of the lease payments over the lease term. Lease payments include both lease and non-lease components for items or activities that transfer a good and service. Vehicle lease and non-lease components are separately accounted for based on standalone value. Real estate lease and non-lease components are accounted for as a single component. Operating lease right-of-use assets include initial direct costs, advanced lease payments and lease incentives.

The lease term reflects the noncancellable period of the lease together with periods covered by an option to extend or terminate the lease when management is reasonably certain that it will exercise such option. The Company generally uses its incremental borrowing rate at the lease commencement date in determining the present value of lease payments as the information necessary to determine the rate implicit in the lease is not readily available. The incremental borrowing rate reflects similar terms by geographic location to the underlying leases. The Company's lease agreements do not contain any material residual value guarantees or material restrictive covenants.

Lease expense for operating leases is recognized on a straight-line basis over the lease term. Variable lease payments consist of non-lease services related to the lease. Variable lease payments are excluded from the right-of-use asset and lease liabilities and are expensed as incurred. Short-term leases are less than one year without purchase or renewal options that are reasonably certain to be exercised and are recognized on a straight-line basis over the lease term. The right-of-use asset is tested for impairment in accordance with ASC 360.

Warranty

The Company generally offers one-year warranties on most of its products. Product warranties are recorded at the time revenue is recognized. While the Company engages in extensive product quality programs and processes, its warranty obligations are affected by product failure rates, material usage and service costs incurred in correcting a product failure.

Employee Termination Benefits

In situations where contractual termination benefits exist, the Company records accruals for employee termination benefits when it is probable that a liability has been incurred and the amount of the liability is reasonably estimable. All other employee termination arrangements are recognized and measured at their fair value at the communication date unless the employee is required to render additional service beyond the legal notification period, in which case the liability is recognized ratably over the future service period.

Share - Based Compensation

Share-Based Compensation

The Company recognizes share-based compensation expense within selling, general and administrative in the consolidated statements of operations and other comprehensive income with a corresponding offset to additional paid-in capital in the consolidated balance sheet. The Company recorded $4.3 million and $8.8 million of share-based compensation expense for the three and six months ended June 30, 2019, respectively, compared to $3.9 million and $8.2 million for the corresponding periods in 2018.

Research and Development

Research and development costs primarily consist of salaries, consulting and other costs. The Company expenses these costs as incurred.

Business Combinations Policy [Policy Text Block]

Business Combinations and Asset Acquisitions

The Company accounts for business acquisitions under the accounting standards for business combinations. The results of each acquisition are included in the Company's consolidated results as of the acquisition date. The purchase price of an acquisition is allocated to tangible and intangible assets and assumed liabilities based on their estimated fair values and any consideration in excess of the net assets acquired is recognized as goodwill. Acquisition transaction costs are expensed when incurred.

In circumstances where an acquisition involves a contingent consideration arrangement, the Company recognizes a liability equal to the fair value of the expected contingent payments as of the acquisition date. Subsequent changes in the fair value of the contingent consideration are recorded to other charges (income), net.

New Accounting Pronouncements, Policy [Policy Text Block]

Recent Accounting Pronouncements

In August 2018, the FASB issued ASU 2018-14 "Compensation - Retirement Benefit" which amends the current disclosure requirements for defined benefit pension plans and other post-retirement plans. The changes in the disclosures will be applied retrospectively and becomes effective December 15, 2020 with early adoption permitted. The Company is currently evaluating the impact of this guidance on the benefit plan disclosures and the timing of adoption.