Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Operating activities:
Net income (loss)	$ 8,151	$ 18,785
Adjustments to reconcile net income to cash provided by (used for) operating activities:
Depreciation and amortization	17,911	12,558
Share-based compensation expense	3,035	2,511
Provision for losses on accounts receivable	1,073	(603)
Deferred income tax expense (benefit)	(1,482)	(825)
Changes in operating assets and liabilities:
Accounts receivable	(18,519)	1,554
Merchandise inventories	(30,556)	(32,777)
Accounts payable	9,478	(7,341)
Net change in other assets and liabilities	28,904	(24,965)
Other, net	278	4,743
Cash provided by (used for) operating activities	18,273	(26,360)
Investing activities:
Additions to property and equipment	(7,074)	(10,146)
Additions to computer software and intangible assets	(7,086)	(4,622)
Proceeds from sale of property and equipment	0	315
Cash used for investing activities	(14,160)	(14,453)
Financing activities:
Borrowings (repayments) under revolving credit facility	(300)	0
Repayments of debt	(3,125)	0
Cash dividends paid	(16,074)	(15,740)
Other, net	(2,304)	(2,759)
Cash used for financing activities	(21,803)	(18,499)
Effect of exchange rate changes on cash and cash equivalents	800	991
Net increase (decrease) in cash and cash equivalents	(16,890)	(58,321)
Cash and cash equivalents at beginning of period	104,522	185,488
Cash and cash equivalents at end of period	87,632	127,167
Supplemental disclosure of cash flow information:
Income taxes paid, net	1,197	2,825
Interest paid	$ 9,661	$ 6,183