Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Operating activities:
Net income	$ 108,787	$ 103,409	$ 66,503
Adjustments to reconcile net income to cash provided by (used for) operating activities :
Depreciation and amortization	55,393	65,982	63,407
Share-based compensation expense	12,042	11,306	8,207
Deferred income tax expense (benefit)	4,218	(6,101)	(3,385)
Provision for losses on accounts and notes receivable	377	(24)	448
Loss on early retirement of debt	0	0	14,890
Changes in operating assets and liabilities:
Accounts and notes receivable	(25,244)	18,333	(17,803)
Merchandise inventories	22,589	(69,727)	(57,329)
Accounts payable	43,430	114,011	(52,148)
Net change in other assets and liabilities	(37,559)	30,177	(25,828)
Other, net	2,901	2,231	(723)
Cash provided by (used for) operating activities	186,934	269,597	(3,761)
Investing activities:
Acquisitions, net of cash acquired	0	0	(248,536)
Additions to computer software and intangible assets	(9,819)	(16,085)	(22,384)
Additions to property and equipment	(20,302)	(20,531)	(48,424)
Proceeds from sale of property and equipment	5,375	143	156
Proceeds from investment sale	0	0	1,937
Cash used for investing activities	(24,746)	(36,473)	(317,251)
Financing activities:
Proceeds from issuance of debt	0	0	547,693
Proceeds from (repayment of) revolving credit facility	0	(33,700)	33,700
Repayment of debt	0	0	(217,352)
Cash dividends paid	(63,382)	(63,651)	(63,104)
Repurchases of common stock	(71,028)	(20,000)	(9,934)
Financing costs paid	0	0	(5,391)
Proceeds from exercise of stock options	0	0	1,180
Excess tax benefits related to share-based compensation	761	646	582
Purchase of noncontrolling interest	0	0	(1,500)
Other, net	(8,294)	(7,528)	(7,314)
Cash provided by (used for) financing activities	(141,943)	(124,233)	278,560
Effect of exchange rate changes on cash and cash equivalents	4,223	(4,643)	(2,681)
Net increase (decrease) in cash and cash equivalents	24,468	104,248	(45,133)
Cash and cash equivalents at beginning of year	161,020	56,772	101,905
Cash and cash equivalents at end of year	$ 185,488	$ 161,020	$ 56,772