Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Statement of Cash Flows [Abstract]
Net income	$ 43,166	$ 45,362
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	36,138	27,756
Share-based compensation expense	5,048	4,190
Provision for losses on accounts and notes receivable	41	334
Deferred income tax (benefit) expense	2,992	(5,151)
Changes in operating assets and liabilities:
Accounts and notes receivable	41,622	28,477
Merchandise inventories	(31,866)	(48,575)
Accounts payable	145,682	54,922
Net change in other assets and liabilities	2,771	(32,765)
Other, net	1,196	(1,078)
Cash provided by (used for) operating activities	246,790	73,472
Investing activities:
Additions to property and equipment	(12,009)	(25,657)
Additions to computer software and intangible assets	(10,816)	(13,166)
Proceeds from sale of investment	0	1,937
Proceeds from sale of property and equipment	837	45
Cash used for investing activities	(21,988)	(36,841)
Financing activities:
Change in bank overdraft	1,530	0
Repayment of revolving credit facility	(33,700)	0
Cash dividends paid	(31,867)	(31,564)
Repurchases of common stock	(7,440)	(9,448)
Excess tax benefits related to share-based compensation	457	444
Proceeds from exercise of stock options	0	1,180
Purchase of noncontrolling interest	0	(1,500)
Other, net	(5,112)	(4,441)
Cash used for financing activities	(76,132)	(45,329)
Effect of exchange rate changes on cash and cash equivalents	(4,473)	(1,180)
Net increase (decrease) in cash and cash equivalents	144,197	(9,878)
Cash and cash equivalents at beginning of period	56,772	101,905
Cash and cash equivalents at end of period	200,969	92,027
Supplemental disclosure of cash flow information:
Income taxes paid, net	27,542	56,837
Interest paid	$ 13,260	$ 7,402