10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

_________________________________

FORM 10-Q

 _________________________________

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

For the quarterly period ended March 31, 2016

or

o 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: 0-19582

_________________________________

OLD DOMINION FREIGHT LINE, INC.

(Exact name of registrant as specified in its charter)

 _________________________________

VIRGINIA	56-0751714
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

500 Old Dominion Way

Thomasville, NC 27360

(Address of principal executive offices)

(Zip Code)

(336) 889-5000

(Registrant’s telephone number, including area code)

 _________________________________

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  o

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted 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 and post such files).    Yes  x     No  o

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer	x	Accelerated filer	o
Non-accelerated filer	o  (Do not check if a smaller reporting company)	Smaller reporting company	o

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    Yes  o    No  x

As of May 5, 2016 there were 83,440,538 shares of the registrant’s Common Stock ($0.10 par value) outstanding.

INDEX

Part I – FINANCIAL INFORMATION
Item 1	Financial Statements	1
	Condensed Balance Sheets – March 31, 2016 and December 31, 2015	1
	Condensed Statements of Operations – For the three months ended March 31, 2016 and 2015	3
	Condensed Statements of Cash Flows – For the three months ended March 31, 2016 and 2015	4
	Notes to the Condensed Financial Statements	5
Item 2	Management's Discussion and Analysis of Financial Condition and Results of Operations	8
Item 3	Quantitative and Qualitative Disclosures about Market Risk	15
Item 4	Controls and Procedures	16
Part II – OTHER INFORMATION
Item 1	Legal Proceedings	16
Item 1A	Risk Factors	16
Item 2	Unregistered Sales of Equity Securities and Use of Proceeds	16
Item 6	Exhibits	17
Signatures		18
Exhibit Index		19

PART I. FINANCIAL INFORMATION

Item 1. Financial Statements

OLD DOMINION FREIGHT LINE, INC.

CONDENSED BALANCE SHEETS

	March 31,
	2016			December 31,
(In thousands, except share and per share data)	(Unaudited)			2015
ASSETS
Current assets:
Cash and cash equivalents	$	7,133		$	11,472
Customer receivables, less allowances of $8,925 and $8,976, respectively	311,650			310,501
Other receivables	4,554			34,547
Prepaid expenses and other current assets	32,287			25,210
Total current assets	355,624			381,730
Property and equipment:
Revenue equipment	1,409,501			1,358,317
Land and structures	1,266,327			1,221,250
Other fixed assets	375,260			365,673
Leasehold improvements	8,686			7,585
Total property and equipment	3,059,774			2,952,825
Accumulated depreciation	(961,616		)	(929,377		)
Net property and equipment	2,098,158			2,023,448
Goodwill	19,463			19,463
Other assets	42,195			41,863
Total assets	$	2,515,440		$	2,466,504

Note: The Condensed Balance Sheet at December 31, 2015 has been derived from the audited financial statements at that date, but does not include all of the information and notes required by U.S. generally accepted accounting principles for complete financial statements.

The accompanying notes are an integral part of these condensed financial statements.

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OLD DOMINION FREIGHT LINE, INC.

CONDENSED BALANCE SHEETS

(CONTINUED)

	March 31,
	2016		December 31,
(In thousands, except share and per share data)	(Unaudited)		2015
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current liabilities:
Accounts payable	$	81,079	$	66,774
Compensation and benefits	118,226		124,589
Claims and insurance accruals	44,497		44,917
Other accrued liabilities	24,944		22,634
Income taxes payable	28,881		—
Current maturities of long-term debt	25,596		26,488
Total current liabilities	323,223		285,402
Long-term liabilities:
Long-term debt	99,726		107,317
Other non-current liabilities	157,161		154,094
Deferred income taxes	235,054		235,054
Total long-term liabilities	491,941		496,465
Total liabilities	815,164		781,867
Commitments and contingent liabilities
Shareholders’ equity:
Common stock - $0.10 par value, 140,000,000 shares authorized, 83,649,398 and 84,411,878 shares outstanding at March 31, 2016 and December 31, 2015, respectively	8,365		8,441
Capital in excess of par value	134,401		134,401
Retained earnings	1,557,510		1,541,795
Total shareholders’ equity	1,700,276		1,684,637
Total liabilities and shareholders’ equity	$	2,515,440	$	2,466,504

Note: The Condensed Balance Sheet at December 31, 2015 has been derived from the audited financial statements at that date, but does not include all of the information and notes required by U.S. generally accepted accounting principles for complete financial statements.

The accompanying notes are an integral part of these condensed financial statements.

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OLD DOMINION FREIGHT LINE, INC.

CONDENSED STATEMENTS OF OPERATIONS

(UNAUDITED)

	Three Months Ended
	March 31,
(In thousands, except share and per share data)	2016			2015
Revenue from operations	$	707,733		$	696,245
Operating expenses:
Salaries, wages and benefits	400,869			368,442
Operating supplies and expenses	75,372			88,049
General supplies and expenses	21,142			21,292
Operating taxes and licenses	23,188			22,274
Insurance and claims	10,244			10,042
Communications and utilities	7,005			6,775
Depreciation and amortization	44,772			38,788
Purchased transportation	18,496			30,148
Building and office equipment rents	2,273			2,278
Miscellaneous expenses, net	4,824			4,592
Total operating expenses	608,185			592,680
Operating income	99,548			103,565
Non-operating expense (income):
Interest expense	1,183			1,569
Interest income	(16		)	(71		)
Other expense, net	516			237
Total non-operating expense	1,683			1,735
Income before income taxes	97,865			101,830
Provision for income taxes	37,580			39,306
Net income	$	60,285		$	62,524
Earnings per share:
Basic	$	0.72		$	0.73
Diluted	$	0.72		$	0.73
Weighted average shares outstanding:
Basic	83,983,028			85,970,829
Diluted	83,983,028			85,970,829

The accompanying notes are an integral part of these condensed financial statements.

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OLD DOMINION FREIGHT LINE, INC.

CONDENSED STATEMENTS OF CASH FLOWS

(UNAUDITED)

	Three Months Ended
	March 31,
(In thousands)	2016			2015
Cash flows from operating activities:
Net income	$	60,285		$	62,524
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	44,772			38,788
Loss (gain) on sale of property and equipment	200			(33		)
Other operating activities, net	63,136			71,315
Net cash provided by operating activities	168,393			172,594
Cash flows from investing activities:
Purchase of property and equipment	(120,294		)	(72,153		)
Proceeds from sale of property and equipment	691			1,851
Net cash used in investing activities	(119,603		)	(70,302		)
Cash flows from financing activities:
Principal payments under long-term debt agreements	(892		)	(10,714		)
Net payments on revolving line of credit	(7,591		)	—
Payments for share repurchases	(44,646		)	(13,327		)
Net cash used in financing activities	(53,129		)	(24,041		)
(Decrease) increase in cash and cash equivalents	(4,339		)	78,251
Cash and cash equivalents at beginning of period	11,472			34,787
Cash and cash equivalents at end of period	$	7,133		$	113,038

The accompanying notes are an integral part of these condensed financial statements.

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NOTES TO THE CONDENSED FINANCIAL STATEMENTS (UNAUDITED)

Note 1. Significant Accounting Policies

Basis of Presentation

The accompanying unaudited, interim condensed financial statements have been prepared in accordance with U.S. generally accepted accounting principles ("GAAP") for interim financial information and, in management’s opinion, contain all adjustments (consisting of normal recurring items) necessary for a fair presentation, in all material respects, of the financial position and results of operations for the periods presented. Accordingly, they do not include all of the information and notes required by U.S. GAAP for complete financial statements.

The preparation of condensed financial statements in accordance with U.S. GAAP requires management to make estimates and assumptions. Such estimates and assumptions affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the condensed financial statements and the reported amounts of revenue and expenses during the reporting period. Actual results could differ from those estimates. Our operating results are subject to seasonal trends; therefore, the results of operations for the interim period ended March 31, 2016 are not necessarily indicative of the results that may be expected for subsequent quarterly periods or the year ending December 31, 2016.

The condensed financial statements should be read in conjunction with the financial statements and related notes, which appear in our Annual Report on Form 10-K for the year ended December 31, 2015. There have been no significant changes in the accounting principles and policies, long-term contracts or estimates inherent in the preparation of the condensed financial statements of Old Dominion Freight Line, Inc. as previously described in our Annual Report on Form 10-K for the year ended December 31, 2015.

Certain amounts in prior years have been reclassified to conform prior years’ financial statements to the current presentation.

Unless the context requires otherwise, references in these Notes to “Old Dominion,” the “Company,” “we,” “us” and “our” refer to Old Dominion Freight Line, Inc.

Fair Values of Financial Instruments

The carrying values of financial instruments in current assets and current liabilities approximate their fair value due to the short maturities of these instruments. The carrying value of our total long-term debt, including current maturities, and capital lease obligations was $125.3 million and $133.8 million at March 31, 2016 and December 31, 2015, respectively. The estimated fair value of our total long-term debt and capital lease obligations was $131.3 million and $139.1 million at March 31, 2016 and December 31, 2015, respectively. The fair value measurement of our senior notes was determined using a discounted cash flow analysis that factors in current market yields for comparable borrowing arrangements under our credit profile. Since this methodology is based upon market yields for comparable arrangements, the measurement is categorized as Level 2 under the three-level fair value hierarchy as established by the Financial Accounting Standards Board (the “FASB”).

Earnings Per Share

Earnings per share is computed using the weighted average number of common shares outstanding during the period.

Stock Repurchase Program

On November 10, 2014, we announced that our Board of Directors had approved a stock repurchase program authorizing us to repurchase up to an aggregate of $200.0 million of our outstanding common stock. We may repurchase shares from time-to-time in open market purchases or through privately negotiated transactions. The program expires on November 6, 2016. Shares of our common stock repurchased by us under the repurchase program are canceled at the time of repurchase and are authorized but unissued shares of our common stock. As of

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NOTES TO THE CONDENSED FINANCIAL STATEMENTS (UNAUDITED) (CONTINUED)

March 31, 2016, we had repurchased a total of 2,515,519 shares for $164.3 million, and $35.7 million remained authorized under the program.

Supplemental Disclosure of Noncash Investing and Financing Activities

Investing and financing activities that are not reported in the Condensed Statements of Cash Flows due to their non-cash nature are summarized below:

	Three Months Ended
	March 31,
(In thousands)	2016		2015
Acquisition of property and equipment by capital lease	$	—	$	3,552

Recent Accounting Pronouncements

In April 2015, the FASB issued ASU 2015-05, "Customer's Accounting for Fees Paid in a Cloud Computing Arrangement" (Topic 350). This ASU provides additional guidance for software licenses within a cloud computing arrangement. Under ASU 2015-05, if a cloud computing arrangement contains a software license, customers should account for the license element of the arrangement in a manner consistent with the acquisition of other software licenses. If the arrangement does not contain a software license, customers should account for the arrangement as a service contract. We adopted the provisions of ASU 2015-05 in the first quarter of 2016 without a material impact on our financial position, results of operations or cash flows.

In April 2015, the FASB issued ASU 2015-03, "Interest - Imputation of Interest: Simplifying the Presentation of Debt Issuance Costs" (Topic 835-30). This ASU requires that debt issuance costs related to a recognized debt liability be presented in the balance sheet as a direct deduction from the related debt's carrying value, which is consistent with the presentation of debt discounts. In June 2015, the FASB issued ASU 2015-15, "Interest - Imputation of Interest: Presentation and Subsequent Measurement of Debt Issuance Costs Associated with Line-of-Credit Arrangements". This ASU adds further clarity to ASU 2015-03 for debt issuance costs related to line-of-credit-arrangements. We adopted the provisions of ASU 2015-03 and ASU 2015-15 in the first quarter of 2016 without a material impact on our financial position, results of operations or cash flows.

Note 2. Long-Term Debt

Long-term debt consisted of the following:

(In thousands)	March 31, 2016			December 31, 2015
Senior notes	$	120,000		$	120,000
Revolving credit facility	4,726			12,317
Capitalized leases and other obligations	596			1,488
Total long-term debt and capital lease obligations	125,322			133,805
Less: Current maturities	(25,596		)	(26,488		)
Total maturities due after one year	$	99,726		$	107,317

We had two outstanding unsecured senior note agreements with an aggregate amount outstanding of $120.0 million at March 31, 2016 and December 31, 2015, respectively. These notes include scheduled principal payments with maturities through 2021, of which $25.0 million is due in the next twelve months. Interest rates on these notes are fixed and range from 4.00% to 5.85%. The effective average interest rate on our outstanding senior note agreements was 4.68% at March 31, 2016 and December 31, 2015.

On December 15, 2015, we entered into an amended and restated credit agreement with Wells Fargo Bank, National Association ("Wells Fargo") serving as administrative agent for the lenders (the "2015 Credit Agreement"). The 2015 Credit Agreement provides for a five-year, $250.0 million senior unsecured revolving line of credit. We may also request an increase in the line of credit commitments up to an aggregate of $350.0 million, which may

6

NOTES TO THE CONDENSED FINANCIAL STATEMENTS (UNAUDITED) (CONTINUED)

include Term Loan Commitments, in minimum increments of $25.0 million. Of the $250.0 million line of credit commitments, up to $100.0 million may be used for letters of credit and $30.0 million may be used for borrowings under the Wells Fargo Sweep Plus Loan Program (the "Sweep Program"). We utilize the Sweep Program to manage our daily cash needs, as it automatically initiates borrowings to cover overnight cash requirements primarily for working capital needs.

At our option, borrowings under the 2015 Credit Agreement bear interest at either: (i) LIBOR plus an applicable margin (based on our ratio of debt-to-total capitalization) that ranges from 1.0% to 1.50%; or (ii) a Base Rate plus an applicable margin (based on our ratio of debt-to-total capitalization) that ranges from 0.0% to 0.5%. Loans under the Sweep Program bear interest at the LIBOR plus applicable margin rate. Letter of credit fees equal to the applicable margin for LIBOR and Base Rate loans are charged quarterly in arrears on the daily average aggregate stated amount of all letters of credit outstanding during the quarter. Commitment fees ranging from 0.125% to 0.2% (based upon the ratio of debt-to-total capitalization) are charged quarterly in arrears on the aggregate unutilized portion of the 2015 Credit Agreement. Wells Fargo, as administrative agent, also receives an annual fee for providing administrative services.

For the three months ended March 31, 2016 under the 2015 Credit Agreement, the applicable margin and letter of credit fees were 1.0% and commitment fees were 0.125%. For the three months ended March 31, 2015 under the previous credit agreement, the applicable margin and letter of credit fees were 1.0% and commitment fees were 0.175%. There were $67.7 million of outstanding letters of credit at March 31, 2016 and December 31, 2015.

Note 3. Commitments and Contingencies

We are involved in various legal proceedings and claims that have arisen in the ordinary course of our business and have not been fully adjudicated, some of which are covered in whole or in part by insurance. Certain of these claims include class-action allegations. We do not believe that the resolution of any of these legal proceedings or claims will have a material adverse effect upon our financial position, results of operations or cash flows.

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ITEM 2.    MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND

RESULTS OF OPERATIONS

Overview

We are a leading, less-than-truckload (“LTL”), union-free motor carrier providing regional, inter-regional and national LTL services, which include ground and air expedited transportation and consumer household pickup and delivery through a single integrated organization. In addition to our core LTL services, we offer a broad range of value-added services including container drayage, truckload brokerage, supply chain consulting and warehousing. More than 95% of our revenue has historically been derived from transporting LTL shipments for our customers, whose demand for our services is generally tied to industrial production and the overall health of the U.S. domestic economy.

In analyzing the components of our revenue, we monitor changes and trends in our LTL services using the following key metrics, which exclude certain transportation and logistics services where pricing is generally not determined by weight, commodity or distance:

• LTL Revenue Per Hundredweight - This measurement reflects the application of our pricing policies to the services we provide, which are influenced by competitive market conditions and our growth objectives. Generally, freight is rated by a class system, which is established by the National Motor Freight Traffic Association, Inc. Light, bulky freight typically has a higher class and is priced at higher revenue per hundredweight than dense, heavy freight. Fuel surcharges, accessorial charges, revenue adjustments and revenue for undelivered freight are included in this measurement. Revenue for undelivered freight is deferred for financial statement purposes in accordance with our revenue recognition policy; however, we believe including it in our revenue per hundredweight metrics results in a better indicator of changes in our yields by matching total billed revenue with the corresponding weight of those shipments.

Revenue per hundredweight is a commonly-used indicator of pricing trends, but this metric can be influenced by many other factors, such as changes in fuel surcharges, weight per shipment, length of haul and the class, or mix, of our freight. As a result, changes in revenue per hundredweight do not necessarily indicate actual changes in underlying base rates.

• LTL Weight Per Shipment - Fluctuations in weight per shipment can indicate changes in the mix of freight we receive from our customers, as well as changes in the number of units included in a shipment. Generally, increases in weight per shipment indicate higher demand for our customers' products and overall increased economic activity. Changes in weight per shipment can also be influenced by shifts between LTL and other modes of transportation, such as truckload and intermodal, in response to capacity, service and pricing issues. Fluctuations in weight per shipment generally have an inverse effect on our revenue per hundredweight, as a decrease in weight per shipment will typically cause an increase in revenue per hundredweight.

• Average Length of Haul - We consider lengths of haul less than 500 miles to be regional traffic, lengths of haul between 500 miles and 1,000 miles to be inter-regional traffic, and lengths of haul in excess of 1,000 miles to be national traffic. This metric is used to analyze our tonnage and pricing trends for shipments with similar characteristics, and also allows for comparison with other transportation providers serving specific markets. By analyzing this metric, we can determine the success and growth potential of our service products in these markets. Changes in length of haul generally have a direct effect on our revenue per hundredweight, as an increase in length of haul will typically cause an increase in revenue per hundredweight.

Our primary revenue focus is to increase “density,” which is shipment and tonnage growth within our existing infrastructure. Increases in density allow us to maximize our asset utilization and labor productivity, which we measure over many different functional areas of our operations including linehaul load factor, pickup and delivery (“P&D”) stops per hour, P&D shipments per hour, platform pounds handled per hour and platform shipments per hour. In addition to our focus on density and operating efficiencies, it is critical for us to obtain an appropriate yield on the shipments we handle. We manage our yields by focusing on individual account profitability. We believe yield management and improvements in efficiency are key components in our ability to produce profitable growth.

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Our primary cost elements are direct wages and benefits associated with the movement of freight, operating supplies and expenses, which include diesel fuel, and depreciation of our equipment fleet and service center facilities. We gauge our overall success in managing costs by monitoring our operating ratio, a measure of profitability calculated by dividing total operating expenses by revenue, which also allows for industry-wide comparisons with our competition.

We continually upgrade our technological capabilities to improve our customer service and lower our operating costs. Our technology provides our customers with visibility of their shipments throughout our network, increases the productivity of our workforce and provides key metrics that we use to monitor and enhance our processes.

The following table sets forth, for the periods indicated, expenses and other items as a percentage of revenue from operations:

	Three Months Ended
	March 31,
	2016		2015
Revenue from operations	100.0	%	100.0	%
Operating expenses:
Salaries, wages and benefits	56.6		52.9
Operating supplies and expenses	10.6		12.6
General supplies and expenses	3.0		3.1
Operating taxes and licenses	3.3		3.2
Insurance and claims	1.5		1.4
Communications and utilities	1.0		1.0
Depreciation and amortization	6.3		5.6
Purchased transportation	2.6		4.3
Building and office equipment rents	0.3		0.3
Miscellaneous expenses, net	0.7		0.7
Total operating expenses	85.9		85.1
Operating income	14.1		14.9
Interest expense, net *	0.2		0.2
Other expense, net	0.1		0.1
Income before income taxes	13.8		14.6
Provision for income taxes	5.3		5.6
Net income	8.5	%	9.0	%

* For the purpose of this table, interest expense is presented net of interest income.

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Results of Operations

Key financial and operating metrics for the three-month periods ended March 31, 2016 and 2015 are presented below:

	Three Months Ended
	March 31,
	2016			2015			% Change
Work days	64			63			1.6	%
Revenue (in thousands)	$	707,733		$	696,245		1.6	%
Operating ratio	85.9		%	85.1		%
Net income (in thousands)	$	60,285		$	62,524		(3.6	)%
Diluted earnings per share	$	0.72		$	0.73		(1.4	)%
LTL tons (in thousands)	1,924			1,872			2.8	%
LTL shipments (in thousands)	2,489			2,344			6.2	%
LTL weight per shipment (lbs.)	1,546			1,598			(3.3	)%
LTL revenue per hundredweight	$	18.14		$	18.08		0.3	%
LTL revenue per shipment	$	280.33		$	288.83		(2.9	)%
Average length of haul (miles)	935			928			0.8	%

Our financial results for the first quarter of 2016 reflect an overall slow-growth macro economy that resulted in weaker demand for LTL freight services. Despite this challenging operating environment and the comparison to our record first quarter of 2015, we produced a 1.6% increase in revenue that was driven by growth in both LTL tonnage and LTL revenue per hundredweight. Our tonnage growth resulted from increased shipments, although our average weight per shipment declined. Our revenue growth was also impacted by lower fuel surcharges and a reduction in non-LTL revenue due to strategic changes in our service offerings.

We attribute the increases in LTL tonnage and LTL shipments to our ability to win market share as customers continue to respond to our value proposition of providing premium service at a fair price. The decrease in weight per shipment, combined with less than projected tonnage growth, led to cost increases as a percent of revenue for both salaries, wages and benefits and depreciation expenses in the first quarter of 2016 as compared to the first quarter of 2015. As a result, our operating ratio increased 80 basis points, and net income and earnings per diluted share decreased 3.6% and 1.4%, respectively.

Revenue

Revenue increased $11.5 million, or 1.6%, as compared to the first quarter of 2015 due primarily to the increase in LTL tonnage, which benefited from the additional workday in the first quarter of 2016, as well as improvement in LTL revenue per hundredweight. LTL tonnage increased 2.8% primarily due to a 6.2% increase in LTL shipments, partially offset by a 3.3% decline in LTL weight per shipment. We attribute the continued decline in LTL weight per shipment to changes in the mix of our freight and the softer economy. The increase in revenue in the first quarter of 2016 was partially offset by a decrease of $8.9 million, or 40.2%, to $13.2 million in non-LTL services as compared to the first quarter of 2015.

LTL revenue per hundredweight increased 0.3% as compared to the first quarter of 2015 despite the significant decline in fuel surcharge revenue. LTL revenue per hundredweight, excluding fuel surcharges, increased 3.8% as compared to the first quarter of 2015. These improvements in revenue per hundredweight reflect the commitment to our disciplined yield management process and the positive impact on this metric resulting from the decline in weight per shipment.

Most of our tariffs and contracts provide for a fuel surcharge that is generally indexed to the diesel fuel prices published by the U.S. Department of Energy ("DOE") that reset each week. Our fuel surcharges are designed to offset fluctuations in the cost of petroleum-based products and are one of the many components included in the overall negotiated price we charge for our services. Fuel surcharge revenue decreased to 8.7% of revenue in the first quarter of 2016 from 11.5% in the first quarter of 2015, primarily due to a decrease in the average price per

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gallon for diesel fuel for those comparative periods. We regularly monitor the components of our pricing, including base freight rates and fuel surcharges. We also address any individual account profitability issues with our customers as part of our effort to minimize the negative impact on our profitability that would likely result from a rapid and significant change in any of our operating expenses.

April 2016 Update

LTL tons per day increased 0.1% for April 2016 as compared to April 2015. This increase reflected growth in LTL shipments per day of 1.5% as compared to the same month in 2015, mostly offset by a year-over-year decline in LTL weight per shipment of 1.4% for April 2016.

Operating Costs and Other Expenses

Salaries, wages and benefits increased $32.4 million, or 8.8%, in the first quarter of 2016 due to a $21.1 million increase in the costs attributable to salaries and wages and an $11.3 million increase in benefit costs. The increase in salaries and wages, excluding benefits, was due primarily to increases in the number of full-time employees and the impact of the annual wage increase provided to employees in September of 2015, partially offset by a reduction in performance-based incentive compensation. Our average number of full-time employees increased 6.7% during the first quarter of 2016 as compared to the first quarter of 2015 primarily from the addition of drivers and platform employees to support our growth in shipments and reduction in purchased transportation. As a result, our aggregate productive labor costs increased to 29.6% of revenue in the first quarter of 2016 as compared to 27.3% in the first quarter of 2015. Although these costs increased as percent of revenue, we improved our productivity in platform shipments and platform pounds per hour by 6.0% and 2.7%, respectively, as compared to the first quarter of 2015. Our P&D shipments and P&D pounds per hour remained generally consistent between the periods compared. Other salaries and wages remained at 12.4% of revenue for each comparable quarter as our cost increases were offset by the reduction in performance-based incentive compensation.

Employee benefit costs increased $11.3 million, or 12.4%, in the first quarter of 2016 as compared to the first quarter of 2015. This increase was primarily due to an increase in our average number of full-time employees eligible for benefits, higher costs for our group health and dental plans and an increase in certain benefit plan costs that were directly linked to the increase in our stock price during the first quarter of 2016. As a result, our employee benefit costs increased to 34.6% of salaries and wages in the first quarter of 2016 as compared to 33.1% for the first quarter of 2015.

Operating supplies and expenses decreased $12.7 million in the first quarter of 2016 as compared to 2015. The cost of diesel fuel, excluding fuel taxes, represents the largest component of operating supplies and expenses, and can vary based on both average price per gallon and consumption. Our diesel fuel costs decreased primarily due to a 29.0% decrease in our average cost per gallon during the first quarter of 2016 as compared to the same period in 2015. This decrease was partially offset by an increase in fuel consumption of 4.0%, primarily due to an 8.1% increase in linehaul and P&D miles driven. Our fuel consumption benefited from an overall improvement in miles per gallon, which continues to improve as we add newer, more fuel-efficient equipment to our operations. We do not use diesel fuel hedging instruments and our costs are therefore subject to market price fluctuations. Other operating supplies and expenses, excluding diesel fuel, slightly increased as a percent of revenue between the periods compared.

Depreciation and amortization increased $6.0 million as compared to the first quarter of 2015 primarily due to the assets acquired as part of our 2015 and 2016 capital expenditures. As a percent of revenue, our depreciation and amortization expense increased to 6.3% in the first quarter of 2016 compared to 5.6% in the first quarter of 2015. While our investments in real estate, equipment and technology can increase our costs in the short-term, we believe these investments are necessary to support our continued growth and strategic initiatives.

Purchased transportation decreased $11.7 million in the first quarter of 2016 as compared to the same quarter of 2015. The decrease in purchased transportation was primarily due to the strategic elimination of certain services in the second half of 2015 that reduced our use of third-party providers. We utilized purchased transportation services to support our LTL services and other non-LTL services, including our container drayage and truckload brokerage services.

11

Liquidity and Capital Resources

A summary of our cash flows is presented below:

	Three Months Ended
	March 31,
(In thousands)	2016			2015
Cash and cash equivalents at beginning of period	$	11,472		$	34,787
Cash flows provided by (used in):
Operating activities	168,393			172,594
Investing activities	(119,603		)	(70,302		)
Financing activities	(53,129		)	(24,041		)
(Decrease) increase in cash and cash equivalents	(4,339		)	78,251
Cash and cash equivalents at end of period	$	7,133		$	113,038

The change in our cash flows provided by operating activities was due primarily to fluctuations in certain working capital accounts and the $2.2 million decrease in net income, which were partially offset by a $6.0 million increase in non-cash depreciation during the first quarter of 2016 as compared to the first quarter of 2015.

The change in our cash flows used in investing activities was primarily due to fluctuations in our capital expenditure plans as well as the timing of these expenditures during the year. The change in our capital expenditure plans is more fully described below in “Capital Expenditures.”

The change in our cash flows used in financing activities was primarily due to a $31.3 million increase in repurchases of our common stock and a $7.6 million net reduction in our senior unsecured revolving line of credit as compared to the first quarter of 2015. Our repurchases of common stock are more fully described below under "Stock Repurchase Program." Additionally, the first quarter of 2015 included a $10.7 million senior note principal payment that was not required in the first quarter of 2016.

We have three primary sources of available liquidity: cash and cash equivalents, cash flows from operations and available borrowings under our senior unsecured revolving credit agreement, which is described below. We believe we also have sufficient access to debt and equity markets to provide other sources of liquidity, if needed.

Capital Expenditures

The table below sets forth our net capital expenditures for property and equipment, including capital assets obtained through capital leases and nonmonetary exchanges, for the three-month period ended March 31, 2016 and the years ended December 31, 2015, 2014 and 2013:

	March 31,			December 31,
(In thousands)	2016			2015			2014			2013
Land and structures	$	46,293		$	153,460		$	117,487		$	126,424
Tractors	34,012			128,911			91,750			59,317
Trailers	29,172			114,209			80,853			70,042
Technology	4,776			32,044			38,264			15,032
Other equipment and assets	6,041			36,987			39,326			31,391
Proceeds from sales	(691		)	(24,442		)	(21,866		)	(11,235		)
Total	$	119,603		$	441,169		$	345,814		$	290,971

Our capital expenditure requirements are generally based upon the projected increase in the number and size of our service center facilities to support our plans for long-term growth, our planned tractor and trailer replacement cycle and forecasted tonnage growth. These requirements can vary from year to year depending on our needs for, and the availability of, property and equipment.

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We currently estimate capital expenditures will be approximately $405 million for the year ending December 31, 2016. Approximately $170 million is allocated for the purchase of service center facilities, construction of new service center facilities or expansion of existing service center facilities, subject to the availability of suitable real estate and the timing of construction projects; approximately $200 million is allocated for the purchase of tractors, trailers and other equipment; and approximately $35 million is allocated for investments in technology and other assets. We expect to fund these capital expenditures primarily through cash flows from operations, our existing cash and cash equivalents and the use of our senior unsecured revolving credit facility, if needed. We believe our current sources of liquidity will be sufficient to satisfy our expected capital expenditures.

Stock Repurchase Program

On November 10, 2014, we announced that our Board of Directors had approved a stock repurchase program authorizing us to repurchase up to an aggregate of $200.0 million of our outstanding common stock. We may repurchase shares from time to time in open market purchases or through privately negotiated transactions. The program expires on November 6, 2016. Shares of our common stock repurchased by us under the repurchase program are canceled at the time of repurchase and are authorized but unissued shares of our common stock. As of March 31, 2016, we had repurchased a total of 2,515,519 shares for $164.3 million, and $35.7 million remained authorized under the program.

Financing Agreements

We had two outstanding unsecured senior note agreements with an aggregate amount outstanding of $120.0 million at March 31, 2016 and December 31, 2015. These notes include scheduled principal payments that mature in April 2016, January 2018 and January 2021.Of the $120.0 million outstanding, $25.0 million was paid at maturity on April 25, 2016. The remaining senior note is comprised of a $50.0 million tranche due in 2018 and a $45.0 million tranche due in 2021 that bear interest at rates of 4.00% and 4.79%, respectively. The effective average interest rate on our outstanding senior note agreements was 4.68% at March 31, 2016 and December 31, 2015.

On December 15, 2015, we entered into an amended and restated credit agreement with Wells Fargo Bank, National Association ("Wells Fargo") serving as administrative agent for the lenders (the "2015 Credit Agreement"). The 2015 Credit Agreement provides for a five-year, $250.0 million senior unsecured revolving line of credit. We may also request an increase in the line of credit commitments up to an aggregate of $350.0 million, which may include Term Loan Commitments, in minimum increments of $25.0 million. Of the $250.0 million line of credit commitments, up to $100.0 million may be used for letters of credit and $30.0 million may be used for borrowings under the Wells Fargo Sweep Plus Loan Program (the "Sweep Program"). We utilize the Sweep Program to manage our daily cash needs, as it automatically initiates borrowings to cover overnight cash requirements primarily for working capital needs.

The amounts outstanding and available borrowing capacity under the Credit Agreement are presented below:

(In thousands)	March 31, 2016			December 31, 2015
Facility limit	$	250,000		$	250,000
Line of credit borrowings	(4,726		)	(12,317		)
Outstanding letters of credit	(67,719		)	(67,719		)
Available borrowing capacity	$	177,555		$	169,964

With the exception of borrowings pursuant to the 2015 Credit Agreement, interest rates are fixed on all of our debt instruments. Therefore, short-term exposure to fluctuations in interest rates is limited to our line of credit facility. We do not currently use interest rate derivative instruments to manage exposure to interest rate changes.

The 2015 Credit Agreement contains customary covenants, including financial covenants that require us to observe a maximum ratio of debt to total capital and a minimum fixed charge coverage ratio. Any future wholly-owned material domestic subsidiaries of us would be required to guarantee payment of all our obligations under the 2015 Credit Agreement.

The 2015 Credit Agreement also includes a provision limiting our ability to make restricted payments, including dividends and payments for share repurchases, unless, among other conditions, no defaults or events of default are

13

ongoing (or would be caused by such restricted payment). We did not declare or pay a dividend on our common stock in the first three months of 2016, and we have no current plans to declare or pay a dividend during the remainder of 2016. Our share repurchases are described above in “Stock Repurchase Program.”

A significant decrease in demand for our services could limit our ability to generate cash flow and affect profitability. Most of our debt agreements have covenants that require stated levels of financial performance, which if not achieved could cause acceleration of the payment schedules. As of March 31, 2016, we were in compliance with these covenants. We do not anticipate a significant decline in business levels or financial performance that would cause us to violate any such covenants in the future, and we believe the combination of our existing 2015 Credit Agreement along with our additional borrowing capacity will be sufficient to meet foreseeable seasonal and long-term capital needs.

Critical Accounting Policies

In preparing our condensed financial statements, we applied the same critical accounting policies as described in our Annual Report on Form 10-K for the year ended December 31, 2015 that affect judgments and estimates of amounts recorded for certain assets, liabilities, revenue and expenses.

Seasonality

Our tonnage levels and revenue mix are subject to seasonal trends common in our industry, although other factors, such as macroeconomic changes, could cause variation in these trends. Operating margins in the first and fourth quarters are typically lower than those during the second and third quarters due to fewer shipments during the winter months. Harsh winter weather or natural disasters, such as hurricanes, tornadoes and floods, can also adversely impact our performance by reducing demand and increasing operating expenses. We believe seasonal trends will continue to impact our business.

Environmental Regulation

We are subject to various federal, state and local environmental laws and regulations that focus on, among other things: the emission and discharge of hazardous materials into the environment or their presence at our properties or in our vehicles; fuel storage tanks; transportation of certain materials; and the discharge or retention of storm water. Under specific environmental laws, we could also be held responsible for any costs relating to contamination at our past or present facilities and at third-party waste disposal sites, as well as costs associated with clean-up of accidents involving our vehicles. We do not believe that the cost of future compliance with current environmental laws or regulations will have a material adverse effect on our operations, financial condition, competitive position or capital expenditures for the remainder of 2016 or fiscal year 2017. However, future changes to laws or regulations may adversely affect our operations and could result in unforeseen costs to our business.

Forward-Looking Information

Forward-looking statements appear in this report, including, but not limited to, “Management’s Discussion and Analysis of Financial Condition and Results of Operations,” and in other written and oral statements made by or on behalf of us. These forward-looking statements include, but are not limited to, statements relating to our goals, strategies, expectations, competitive environment, regulation, availability of resources, future events and future financial performance. Such forward-looking statements are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. These forward-looking statements typically can be identified by such words as “anticipate,” “estimate,” “forecast,” “project,” “intend,” “expect,” “believe,” “should,” “could,” “may” or other similar words or expressions. We caution readers that such forward-looking statements involve risks and uncertainties, including, but not limited to, the risk factors set forth in our Annual Report on Form 10-K for the year ended December 31, 2015 and in other reports and statements that we file with the SEC. Such forward-looking statements involve risks and uncertainties that could cause actual events or results to differ materially from those expressed or implied herein, including, but not limited to, the following:

• the competitive environment with respect to industry capacity and pricing, including the use of fuel surcharges, such that our total overall pricing is sufficient to cover our operating expenses;

• our ability to collect fuel surcharges and the effectiveness of those fuel surcharges in mitigating the impact of fluctuating prices for diesel fuel and other petroleum-based products;

14

• the negative impact of any unionization, or the passage of legislation or regulations that could facilitate unionization, of our employees;

• the challenges associated with executing our growth strategy, including the inability to successfully consummate and integrate any acquisitions;

• changes in our goals and strategies, which are subject to change at any time at our discretion;

• various economic factors such as economic recessions and downturns in customers' business cycles and shipping requirements;

• increases in driver compensation or difficulties attracting and retaining qualified drivers to meet freight demand;

• our exposure to claims related to cargo loss and damage, property damage, personal injury, workers' compensation, group health and group dental, including increased premiums, adverse loss development, increased self-insured retention levels and claims in excess of insured coverage levels;

• cost increases associated with employee benefits, including compliance obligations associated with the Patient Protection and Affordable Care Act;

• the availability and cost of capital for our significant ongoing cash requirements;

• the availability and cost of new equipment and replacement parts, including regulatory changes and supply constraints that could impact the cost of these assets;

• decreases in demand for, and the value of, used equipment;

• the availability and cost of diesel fuel;

• the costs and potential liabilities related to compliance with, or violations of, existing or future governmental laws and regulations, including environmental laws, engine emissions standards, hours-of-service for our drivers, driver fitness requirements and new safety standards for drivers and equipment;

• the costs and potential liabilities related to various legal proceedings and claims that have arisen in the ordinary course of our business, some of which include class-action allegations;

• the costs and potential liabilities related to governmental proceedings;

• the costs and potential liabilities related to our international business operations and relationships;

• the costs and potential adverse impact of compliance with, or violations of, current and future rules issued by the Department of Transportation, the Federal Motor Carrier Safety Administration, including its Compliance, Safety, Accountability initiative, and other regulatory agencies;

• seasonal trends in the less-than-truckload industry, including harsh weather conditions;

• our dependence on key employees;

• the concentration of our stock ownership with the Congdon family;

• the costs and potential adverse impact associated with future changes in accounting standards or practices;

• potential costs associated with cyber incidents and other risks, including system failure, security breach, disruption by malware or other damage;

• the impact of potential disruptions to our information technology systems or our service center network;

• damage to our reputation from the misuse of social media;

• the costs and potential adverse impact of compliance with anti-terrorism measures on our business;

• dilution to existing shareholders caused by any issuance of additional equity; and

• other risks and uncertainties described in our most recent Annual Report on Form 10-K and other filings with the SEC.

Our forward-looking statements are based upon our beliefs and assumptions using information available at the time the statements are made. We caution the reader not to place undue reliance on our forward-looking statements (i) as these statements are neither a prediction nor a guarantee of future events or circumstances and (ii) the assumptions, beliefs, expectations and projections about future events may differ materially from actual results. We undertake no obligation to publicly update any forward-looking statement to reflect developments occurring after the statement is made, except as otherwise required by law.

Item 3. Quantitative and Qualitative Disclosures about Market Risk

There have been no material changes to our market risk exposures during the first quarter of 2016. For a discussion of our exposure to market risk, refer to Item 7A, “Quantitative and Qualitative Disclosures About Market Risk,” contained in our Annual Report on Form 10-K for the fiscal year ended December 31, 2015.

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Item 4. Controls and Procedures

a) Evaluation of disclosure controls and procedures

As of the end of the period covered by this quarterly report, our management, with the participation of our Chief Executive Officer (“CEO”) and Chief Financial Officer (“CFO”), conducted an evaluation of the effectiveness of our disclosure controls and procedures in accordance with Rule 13a-15 under the Securities Exchange Act of 1934, as amended (the “Exchange Act”). Based on the evaluation of our disclosure controls and procedures as of the end of the period covered by this quarterly report, our CEO and CFO concluded that, as of such date, our disclosure controls and procedures were effective to ensure that information required to be disclosed by us in the reports that we file or submit under the Exchange Act is (a) accumulated and communicated to our management, including our CEO and CFO, as appropriate to allow timely decisions regarding required disclosure, and (b) recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms.

b) Changes in internal control over financial reporting

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

PART II. OTHER INFORMATION

Item 1. Legal Proceedings

We are involved in various legal proceedings and claims that have arisen in the ordinary course of our business and have not been fully adjudicated, some of which are covered in whole or in part by insurance. Certain of these claims include class-action allegations. We do not believe that the resolution of any of these legal proceedings or claims will have a material adverse effect upon our financial position, results of operations or cash flows.

Item 1A. Risk Factors

In addition to the other information set forth in this report and in our other reports and statements that we file with the SEC, including our quarterly reports on Form 10-Q, careful consideration should be given to the factors discussed in Part I, “Item 1A. Risk Factors” in our Annual Report on Form 10-K for the year ended December 31, 2015, which could materially affect our business, financial condition and future results. The risks described in our Annual Report on Form 10-K are not the only risks facing our Company. Additional risks and uncertainties not currently known to us or that we currently deem to be immaterial also may materially adversely affect our business, financial condition and operating results.

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds

The following table provides information regarding our repurchases of our common stock during the first quarter of 2016:

ISSUER PURCHASES OF EQUITY SECURITIES
	Total Number of Shares Purchased	Average Price Paid per Share		Total Number of Shares Purchased as Part of Publicly Announced Programs	Approximate Dollar Value of Shares that May Yet Be Purchased Under the Programs
January 1-31, 2016	297,196	$	53.84	297,196	$	64,351,146
February 1-29, 2016	306,416	$	58.54	306,416	$	46,413,289
March 1-31, 2016	158,868	$	67.41	158,868	$	35,704,580
Total	762,480	$	58.55	762,480

16

On November 10, 2014, we announced that our Board of Directors had approved a stock repurchase program authorizing us to repurchase up to an aggregate of $200.0 million of our outstanding common stock. We may repurchase shares from time to time in open market purchases or through privately negotiated transactions. The program expires on November 6, 2016. Shares of our common stock repurchased by us under the repurchase program are canceled at the time of repurchase and are authorized but unissued shares of our common stock.

Item 6. Exhibits

Exhibit No.	Description
31.1	Certification Pursuant to Rule 13a-14(a) or 15d-14(a) of the Exchange Act, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
31.2	Certification Pursuant to Rule 13a-14(a) or 15d-14(a) of the Exchange Act, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
32.1	Certification Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
32.2	Certification Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101	The following financial information from our Quarterly Report on Form 10-Q for the quarter ended March 31, 2016, filed on May 6, 2016, formatted in XBRL (eXtensible Business Reporting Language) includes: (i) the Condensed Balance Sheets at March 31, 2016 and December 31, 2015, (ii) the Condensed Statements of Operations for the three months ended March 31, 2016 and 2015, (iii) the Condensed Statements of Cash Flows for the three months ended March 31, 2016 and 2015, and (iv) the Notes to the Condensed Financial Statements

Our SEC file number reference for documents filed with the SEC pursuant to the Securities Exchange Act of 1934, as amended, is 0-19582.

17

SIGNATURES

Pursuant to the requirements 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.

		OLD DOMINION FREIGHT LINE, INC.
DATE:	May 6, 2016	/s/  ADAM N. SATTERFIELD
		Adam N. Satterfield
		Senior Vice President - Finance and Chief Financial Officer (Principal Financial Officer)
DATE:	May 6, 2016	/s/  JOHN P. BOOKER, III
		John P. Booker, III
		Vice President - Controller (Principal Accounting Officer)

18

EXHIBIT INDEX

TO QUARTERLY REPORT ON FORM 10-Q

Exhibit No.	Description
31.1	Certification Pursuant to Rule 13a-14(a) or 15d-14(a) of the Exchange Act, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
31.2	Certification Pursuant to Rule 13a-14(a) or 15d-14(a) of the Exchange Act, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
32.1	Certification Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
32.2	Certification Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101	The following financial information from our Quarterly Report on Form 10-Q for the quarter ended March 31, 2016, filed on May 6, 2016, formatted in XBRL (eXtensible Business Reporting Language) includes: (i) the Condensed Balance Sheets at March 31, 2016 and December 31, 2015, (ii) the Condensed Statements of Operations for the three months ended March 31, 2016 and 2015, (iii) the Condensed Statements of Cash Flows for the three months ended March 31, 2016 and 2015, and (iv) the Notes to the Condensed Financial Statements

Our SEC file number reference for documents filed with the SEC pursuant to the Securities Exchange Act of 1934, as amended, is 0-19582.

19

EX-31.1

EXHIBIT 31.1

CERTIFICATION

I, David S. Congdon, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Old Dominion Freight Line, Inc.;

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(s) 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(s) 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:	May 6, 2016
		/s/ DAVID S. CONGDON
		Vice Chairman of the Board and
		Chief Executive Officer

EX-31.2

EXHIBIT 31.2

CERTIFICATION

I, Adam N. Satterfield, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Old Dominion Freight Line, Inc.;

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(s) 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(s) 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:	May 6, 2016
		/s/ ADAM N. SATTERFIELD
		Senior Vice President - Finance and
		Chief Financial Officer

EX-32.1

EXHIBIT 32.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO SECTION 906

OF THE SARBANES-OXLEY ACT OF 2002

I, David S. Congdon, state and attest that:

(1) I am the Vice Chairman of the Board and Chief Executive Officer of Old Dominion Freight Line, Inc. (the “Issuer”).

(2) Accompanying this certification is the Issuer’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2016 (the “Quarterly Report”), a periodic report filed by the Issuer with the Securities and Exchange Commission pursuant to Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), which contains financial statements.

(3) I hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to my knowledge:

◦ The Quarterly Report containing the financial statements fully complies with the requirements of Section 13(a) or 15(d) of the Exchange Act, and

◦ The information contained in the Quarterly Report fairly presents, in all material respects, the financial condition and results of operations of the Issuer for the periods presented.

/s/ DAVID S. CONGDON
Name:	David S. Congdon
Date:	May 6, 2016

EX-32.2

EXHIBIT 32.2

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO SECTION 906

OF THE SARBANES-OXLEY ACT OF 2002

I, Adam N. Satterfield, state and attest that:

(1) I am the Senior Vice President - Finance and Chief Financial Officer of Old Dominion Freight Line, Inc. (the “Issuer”).

(2) Accompanying this certification is the Issuer’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2016 (the “Quarterly Report”), a periodic report filed by the Issuer with the Securities and Exchange Commission pursuant to Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), which contains financial statements.

(3) I hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to my knowledge:

◦ The Quarterly Report containing the financial statements fully complies with the requirements of Section 13(a) or 15(d) of the Exchange Act, and

◦ The information contained in the Quarterly Report fairly presents, in all material respects, the financial condition and results of operations of the Issuer for the periods presented.

/s/ ADAM N. SATTERFIELD
Name:	Adam N. Satterfield
Date:	May 6, 2016

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Document And Entity Information - shares	3 Months Ended
	Mar. 31, 2016	May. 05, 2016
Document And Entity Information [Abstract]
Entity Registrant Name	OLD DOMINION FREIGHT LINE INC/VA
Entity Central Index Key	0000878927
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2016
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	Q1
Trading Symbol	ODFL
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		83,440,538

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Condensed Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 7,133	$ 11,472
Customer receivables, less allowances of $8,925 and $8,976, respectively	311,650	310,501
Other receivables	4,554	34,547
Prepaid expenses and other current assets	32,287	25,210
Total current assets	355,624	381,730
Property and equipment:
Revenue equipment	1,409,501	1,358,317
Land and structures	1,266,327	1,221,250
Other fixed assets	375,260	365,673
Leasehold improvements	8,686	7,585
Total property and equipment	3,059,774	2,952,825
Accumulated depreciation	(961,616)	(929,377)
Net property and equipment	2,098,158	2,023,448
Goodwill	19,463	19,463
Other assets	42,195	41,863
Total assets	2,515,440	2,466,504
Current liabilities:
Accounts payable	81,079	66,774
Compensation and benefits	118,226	124,589
Claims and insurance accruals	44,497	44,917
Other accrued liabilities	24,944	22,634
Income taxes payable	28,881	0
Current maturities of long-term debt	25,596	26,488
Total current liabilities	323,223	285,402
Long-term liabilities:
Long-term debt	99,726	107,317
Other non-current liabilities	157,161	154,094
Deferred income taxes	235,054	235,054
Total long-term liabilities	491,941	496,465
Total liabilities	$ 815,164	$ 781,867
Commitments and Contingencies
Shareholders' equity:
Common stock - $0.10 par value, 140,000,000 shares authorized, 83,649,398 and 84,411,878 shares outstanding at March 31, 2016 and December 31, 2015, respectively	$ 8,365	$ 8,441
Capital in excess of par value	134,401	134,401
Retained earnings	1,557,510	1,541,795
Total shareholders' equity	1,700,276	1,684,637
Total liabilities and shareholders' equity	$ 2,515,440	$ 2,466,504

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Condensed Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Statement of Financial Position [Abstract]
Customer receivables, allowances	$ 8,925	$ 8,976
Common stock, par value	$ 0.10	$ 0.10
Common stock, shares authorized	140,000,000	140,000,000
Common stock, shares outstanding	83,649,398	84,411,878

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Condensed Statements Of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Income Statement [Abstract]
Revenue from operations	$ 707,733	$ 696,245
Operating expenses:
Salaries, wages and benefits	400,869	368,442
Operating supplies and expenses	75,372	88,049
General supplies and expenses	21,142	21,292
Operating taxes and licenses	23,188	22,274
Insurance and claims	10,244	10,042
Communications and utilities	7,005	6,775
Depreciation and amortization	44,772	38,788
Purchased transportation	18,496	30,148
Building and office equipment rents	2,273	2,278
Miscellaneous expenses, net	4,824	4,592
Total operating expenses	608,185	592,680
Operating income	99,548	103,565
Non-operating expense (income):
Interest expense	1,183	1,569
Interest income	(16)	(71)
Other expense (income), net	516	237
Total non-operating expense	1,683	1,735
Income before income taxes	97,865	101,830
Provision for income taxes	37,580	39,306
Net income	$ 60,285	$ 62,524
Earnings per share:
Basic	$ 0.72	$ 0.73
Diluted	$ 0.72	$ 0.73
Weighted average shares outstanding:
Basic	83,983,028	85,970,829
Diluted	83,983,028	85,970,829

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Condensed Statements Of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash flows from operating activities:
Net income	$ 60,285	$ 62,524
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	44,772	38,788
(Gain) loss on sale of property and equipment	200	(33)
Other operating activities, net	63,136	71,315
Net cash provided by operating activities	168,393	172,594
Cash flows from investing activities:
Purchase of property and equipment	(120,294)	(72,153)
Proceeds from sale of property and equipment	691	1,851
Net cash used in investing activities	(119,603)	(70,302)
Cash flows from financing activities:
Principal payments under long-term debt agreements	(892)	(10,714)
Proceeds From (Repayments Of) Line Of Credit	(7,591)	0
Payments for share repurchases	(44,646)	(13,327)
Net cash provided by (used in) financing activities	(53,129)	(24,041)
(Decrease) increase in cash and cash equivalents	(4,339)	78,251
Cash and cash equivalents at beginning of period	11,472	34,787
Cash and cash equivalents at end of period	$ 7,133	$ 113,038

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Significant Accounting Policies

3 Months Ended

Mar. 31, 2016

Accounting Policies [Abstract]

Significant Accounting Policies

Note 1. Significant Accounting Policies

Basis of Presentation

The accompanying unaudited, interim condensed financial statements have been prepared in accordance with U.S. generally accepted accounting principles ("GAAP") for interim financial information and, in management’s opinion, contain all adjustments (consisting of normal recurring items) necessary for a fair presentation, in all material respects, of the financial position and results of operations for the periods presented. Accordingly, they do not include all of the information and notes required by U.S. GAAP for complete financial statements.

The preparation of condensed financial statements in accordance with U.S. GAAP requires management to make estimates and assumptions. Such estimates and assumptions affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the condensed financial statements and the reported amounts of revenue and expenses during the reporting period. Actual results could differ from those estimates. Our operating results are subject to seasonal trends; therefore, the results of operations for the interim period ended March 31, 2016 are not necessarily indicative of the results that may be expected for subsequent quarterly periods or the year ending December 31, 2016.

The condensed financial statements should be read in conjunction with the financial statements and related notes, which appear in our Annual Report on Form 10-K for the year ended December 31, 2015. There have been no significant changes in the accounting principles and policies, long-term contracts or estimates inherent in the preparation of the condensed financial statements of Old Dominion Freight Line, Inc. as previously described in our Annual Report on Form 10-K for the year ended December 31, 2015.

Certain amounts in prior years have been reclassified to conform prior years’ financial statements to the current presentation.

Unless the context requires otherwise, references in these Notes to “Old Dominion,” the “Company,” “we,” “us” and “our” refer to Old Dominion Freight Line, Inc.

Fair Values of Financial Instruments

The carrying values of financial instruments in current assets and current liabilities approximate their fair value due to the short maturities of these instruments. The carrying value of our total long-term debt, including current maturities, and capital lease obligations was $125.3 million and $133.8 million at March 31, 2016 and December 31, 2015, respectively. The estimated fair value of our total long-term debt and capital lease obligations was $131.3 million and $139.1 million at March 31, 2016 and December 31, 2015, respectively. The fair value measurement of our senior notes was determined using a discounted cash flow analysis that factors in current market yields for comparable borrowing arrangements under our credit profile. Since this methodology is based upon market yields for comparable arrangements, the measurement is categorized as Level 2 under the three-level fair value hierarchy as established by the Financial Accounting Standards Board (the “FASB”).

Earnings Per Share

Earnings per share is computed using the weighted average number of common shares outstanding during the period.

Stock Repurchase Program

On November 10, 2014, we announced that our Board of Directors had approved a stock repurchase program authorizing us to repurchase up to an aggregate of $200.0 million of our outstanding common stock. We may repurchase shares from time-to-time in open market purchases or through privately negotiated transactions. The program expires on November 6, 2016. Shares of our common stock repurchased by us under the repurchase program are canceled at the time of repurchase and are authorized but unissued shares of our common stock. As of March 31, 2016, we had repurchased a total of 2,515,519 shares for $164.3 million, and $35.7 million remained authorized under the program.

Supplemental Disclosure of Noncash Investing and Financing Activities

Investing and financing activities that are not reported in the Condensed Statements of Cash Flows due to their non-cash nature are summarized below:

	Three Months Ended
	March 31,
(In thousands)	2016		2015
Acquisition of property and equipment by capital lease	$	—	$	3,552

Recent Accounting Pronouncements

In April 2015, the FASB issued ASU 2015-05, "Customer's Accounting for Fees Paid in a Cloud Computing Arrangement" (Topic 350). This ASU provides additional guidance for software licenses within a cloud computing arrangement. Under ASU 2015-05, if a cloud computing arrangement contains a software license, customers should account for the license element of the arrangement in a manner consistent with the acquisition of other software licenses. If the arrangement does not contain a software license, customers should account for the arrangement as a service contract. We adopted the provisions of ASU 2015-05 in the first quarter of 2016 without a material impact on our financial position, results of operations or cash flows.

In April 2015, the FASB issued ASU 2015-03, "Interest - Imputation of Interest: Simplifying the Presentation of Debt Issuance Costs" (Topic 835-30). This ASU requires that debt issuance costs related to a recognized debt liability be presented in the balance sheet as a direct deduction from the related debt's carrying value, which is consistent with the presentation of debt discounts. In June 2015, the FASB issued ASU 2015-15, "Interest - Imputation of Interest: Presentation and Subsequent Measurement of Debt Issuance Costs Associated with Line-of-Credit Arrangements". This ASU adds further clarity to ASU 2015-03 for debt issuance costs related to line-of-credit-arrangements. We adopted the provisions of ASU 2015-03 and ASU 2015-15 in the first quarter of 2016 without a material impact on our financial position, results of operations or cash flows.

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Long-Term Debt

3 Months Ended

Mar. 31, 2016

Debt Disclosure [Abstract]

Long-Term Debt

Note 2. Long-Term Debt

Long-term debt consisted of the following:

(In thousands)	March 31, 2016			December 31, 2015
Senior notes	$	120,000		$	120,000
Revolving credit facility	4,726			12,317
Capitalized leases and other obligations	596			1,488
Total long-term debt and capital lease obligations	125,322			133,805
Less: Current maturities	(25,596		)	(26,488		)
Total maturities due after one year	$	99,726		$	107,317

We had two outstanding unsecured senior note agreements with an aggregate amount outstanding of $120.0 million at March 31, 2016 and December 31, 2015, respectively. These notes include scheduled principal payments with maturities through 2021, of which $25.0 million is due in the next twelve months. Interest rates on these notes are fixed and range from 4.00% to 5.85%. The effective average interest rate on our outstanding senior note agreements was 4.68% at March 31, 2016 and December 31, 2015.

On December 15, 2015, we entered into an amended and restated credit agreement with Wells Fargo Bank, National Association ("Wells Fargo") serving as administrative agent for the lenders (the "2015 Credit Agreement"). The 2015 Credit Agreement provides for a five-year, $250.0 million senior unsecured revolving line of credit. We may also request an increase in the line of credit commitments up to an aggregate of $350.0 million, which may include Term Loan Commitments, in minimum increments of $25.0 million. Of the $250.0 million line of credit commitments, up to $100.0 million may be used for letters of credit and $30.0 million may be used for borrowings under the Wells Fargo Sweep Plus Loan Program (the "Sweep Program"). We utilize the Sweep Program to manage our daily cash needs, as it automatically initiates borrowings to cover overnight cash requirements primarily for working capital needs.

At our option, borrowings under the 2015 Credit Agreement bear interest at either: (i) LIBOR plus an applicable margin (based on our ratio of debt-to-total capitalization) that ranges from 1.0% to 1.50%; or (ii) a Base Rate plus an applicable margin (based on our ratio of debt-to-total capitalization) that ranges from 0.0% to 0.5%. Loans under the Sweep Program bear interest at the LIBOR plus applicable margin rate. Letter of credit fees equal to the applicable margin for LIBOR and Base Rate loans are charged quarterly in arrears on the daily average aggregate stated amount of all letters of credit outstanding during the quarter. Commitment fees ranging from 0.125% to 0.2% (based upon the ratio of debt-to-total capitalization) are charged quarterly in arrears on the aggregate unutilized portion of the 2015 Credit Agreement. Wells Fargo, as administrative agent, also receives an annual fee for providing administrative services.

For the three months ended March 31, 2016 under the 2015 Credit Agreement, the applicable margin and letter of credit fees were 1.0% and commitment fees were 0.125%. For the three months ended March 31, 2015 under the previous credit agreement, the applicable margin and letter of credit fees were 1.0% and commitment fees were 0.175%. There were $67.7 million of outstanding letters of credit at March 31, 2016 and December 31, 2015.

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Commitments And Contingencies

3 Months Ended

Mar. 31, 2016

Commitments and Contingencies Disclosure [Abstract]

Commitments And Contingencies

Note 3. Commitments and Contingencies

We are involved in various legal proceedings and claims that have arisen in the ordinary course of our business and have not been fully adjudicated, some of which are covered in whole or in part by insurance. Certain of these claims include class-action allegations. We do not believe that the resolution of any of these legal proceedings or claims will have a material adverse effect upon our financial position, results of operations or cash flows.

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Significant Accounting Policies (Policy)

3 Months Ended

Mar. 31, 2016

Accounting Policies [Abstract]

Basis Of Presentation

Basis of Presentation

The accompanying unaudited, interim condensed financial statements have been prepared in accordance with U.S. generally accepted accounting principles ("GAAP") for interim financial information and, in management’s opinion, contain all adjustments (consisting of normal recurring items) necessary for a fair presentation, in all material respects, of the financial position and results of operations for the periods presented. Accordingly, they do not include all of the information and notes required by U.S. GAAP for complete financial statements.

The preparation of condensed financial statements in accordance with U.S. GAAP requires management to make estimates and assumptions. Such estimates and assumptions affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the condensed financial statements and the reported amounts of revenue and expenses during the reporting period. Actual results could differ from those estimates. Our operating results are subject to seasonal trends; therefore, the results of operations for the interim period ended March 31, 2016 are not necessarily indicative of the results that may be expected for subsequent quarterly periods or the year ending December 31, 2016.

The condensed financial statements should be read in conjunction with the financial statements and related notes, which appear in our Annual Report on Form 10-K for the year ended December 31, 2015. There have been no significant changes in the accounting principles and policies, long-term contracts or estimates inherent in the preparation of the condensed financial statements of Old Dominion Freight Line, Inc. as previously described in our Annual Report on Form 10-K for the year ended December 31, 2015.

Certain amounts in prior years have been reclassified to conform prior years’ financial statements to the current presentation.

Unless the context requires otherwise, references in these Notes to “Old Dominion,” the “Company,” “we,” “us” and “our” refer to Old Dominion Freight Line, Inc.

Fair Value of Financial Instruments

Fair Values of Financial Instruments

The carrying values of financial instruments in current assets and current liabilities approximate their fair value due to the short maturities of these instruments. The carrying value of our total long-term debt, including current maturities, and capital lease obligations was $125.3 million and $133.8 million at March 31, 2016 and December 31, 2015, respectively. The estimated fair value of our total long-term debt and capital lease obligations was $131.3 million and $139.1 million at March 31, 2016 and December 31, 2015, respectively. The fair value measurement of our senior notes was determined using a discounted cash flow analysis that factors in current market yields for comparable borrowing arrangements under our credit profile. Since this methodology is based upon market yields for comparable arrangements, the measurement is categorized as Level 2 under the three-level fair value hierarchy as established by the Financial Accounting Standards Board (the “FASB”).

Earnings Per Share

Earnings Per Share

Earnings per share is computed using the weighted average number of common shares outstanding during the period.

Stockholders' Equity

Stock Repurchase Program

On November 10, 2014, we announced that our Board of Directors had approved a stock repurchase program authorizing us to repurchase up to an aggregate of $200.0 million of our outstanding common stock. We may repurchase shares from time-to-time in open market purchases or through privately negotiated transactions. The program expires on November 6, 2016. Shares of our common stock repurchased by us under the repurchase program are canceled at the time of repurchase and are authorized but unissued shares of our common stock. As of March 31, 2016, we had repurchased a total of 2,515,519 shares for $164.3 million, and $35.7 million remained authorized under the program.

Schedule of Cash Flow, Supplemental Disclosures

Investing and financing activities that are not reported in the Condensed Statements of Cash Flows due to their non-cash nature are summarized below:

	Three Months Ended
	March 31,
(In thousands)	2016		2015
Acquisition of property and equipment by capital lease	$	—	$	3,552

New Accounting Pronouncements

Recent Accounting Pronouncements

In April 2015, the FASB issued ASU 2015-05, "Customer's Accounting for Fees Paid in a Cloud Computing Arrangement" (Topic 350). This ASU provides additional guidance for software licenses within a cloud computing arrangement. Under ASU 2015-05, if a cloud computing arrangement contains a software license, customers should account for the license element of the arrangement in a manner consistent with the acquisition of other software licenses. If the arrangement does not contain a software license, customers should account for the arrangement as a service contract. We adopted the provisions of ASU 2015-05 in the first quarter of 2016 without a material impact on our financial position, results of operations or cash flows.

In April 2015, the FASB issued ASU 2015-03, "Interest - Imputation of Interest: Simplifying the Presentation of Debt Issuance Costs" (Topic 835-30). This ASU requires that debt issuance costs related to a recognized debt liability be presented in the balance sheet as a direct deduction from the related debt's carrying value, which is consistent with the presentation of debt discounts. In June 2015, the FASB issued ASU 2015-15, "Interest - Imputation of Interest: Presentation and Subsequent Measurement of Debt Issuance Costs Associated with Line-of-Credit Arrangements". This ASU adds further clarity to ASU 2015-03 for debt issuance costs related to line-of-credit-arrangements. We adopted the provisions of ASU 2015-03 and ASU 2015-15 in the first quarter of 2016 without a material impact on our financial position, results of operations or cash flows.

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Significant Accounting Policies Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2016

Accounting Policies [Abstract]

Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]

Investing and financing activities that are not reported in the Condensed Statements of Cash Flows due to their non-cash nature are summarized below:

	Three Months Ended
	March 31,
(In thousands)	2016		2015
Acquisition of property and equipment by capital lease	$	—	$	3,552

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Long-Term Debt (Tables)

3 Months Ended

Mar. 31, 2016

Debt Disclosure [Abstract]

Schedule Of Long-Term Debt

Long-term debt consisted of the following:

(In thousands)	March 31, 2016			December 31, 2015
Senior notes	$	120,000		$	120,000
Revolving credit facility	4,726			12,317
Capitalized leases and other obligations	596			1,488
Total long-term debt and capital lease obligations	125,322			133,805
Less: Current maturities	(25,596		)	(26,488		)
Total maturities due after one year	$	99,726		$	107,317

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Significant Accounting Policies (Narrative) (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Accounting Policies [Abstract]
Debt and Capital Lease Obligations	$ 125,322	$ 133,805
Long-term Debt, Fair Value	131,300	$ 139,100
Stock Repurchase Program, Authorized Amount	$ 200,000
Total Stock Repurchased And Retired Shares	2,515,519
Total Stock Repurchased And Retired Value	$ 164,300
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 35,700

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Significant Accounting Policies Significant Accounting Policies (Supplemental Schedule of Non-Cash Activities) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Accounting Policies [Abstract]
Noncash or Part Noncash Acquisition, Fixed Assets Acquired	$ 0	$ 3,552

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Long-Term Debt (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Debt Instrument [Line Items]
Senior Notes	$ 120,000		$ 120,000
Periodic principal payments	$ 25,000
Interest Rate Spread added to Rate	1.00%	1.00%
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.125%	0.175%
Senior Notes [Member]
Debt Instrument [Line Items]
Fixed interest rate, minimum	4.00%
Fixed interest rate, maximum	5.85%
Effective average interest rate	4.68%		4.68%
Maximum [Member]
Debt Instrument [Line Items]
Interest Rate Spread added to Rate	0.50%
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.20%
Minimum [Member]
Debt Instrument [Line Items]
Interest Rate Spread added to Rate	0.00%
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.125%
2015CreditAgreement [Member]
Debt Instrument [Line Items]
Letters of Credit Outstanding, Amount	$ 67,700		$ 67,700
Line of Credit Facility, Maximum Borrowing Capacity	350,000
Current borrowing capacity	250,000
Minimum increments under the additional borrowings	25,000
Letter of Credit [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Capacity Available for Specific Purpose Other than for Trade Purchases	100,000
Sweep Program [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Capacity Available for Specific Purpose Other than for Trade Purchases	$ 30,000
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Interest Rate Spread added to Rate	1.00%	1.00%
London Interbank Offered Rate (LIBOR) [Member] | Maximum [Member]
Debt Instrument [Line Items]
Interest Rate Spread added to Rate	1.50%
London Interbank Offered Rate (LIBOR) [Member] | Minimum [Member]
Debt Instrument [Line Items]
Interest Rate Spread added to Rate	1.00%

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Long-Term Debt (Schedule Of Long-Term Debt) (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Senior notes	$ 120,000	$ 120,000
Revolving credit facility	4,726	12,317
Capital Lease Obligations	596	1,488
Total long-term debt	125,322	133,805
Less: Current maturities	(25,596)	(26,488)
Total maturities due after one year	$ 99,726	$ 107,317