Condensed Consolidated Statements of Cash Flows (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Cash Flows From Operating Activities:
Net income	$ 45,283	$ 45,227
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	17,458	18,441
Amortization of capitalized financing costs	397	366
Share-based compensation	10,414	6,811
Excess tax benefits related to share-based compensation	(2,591)	(3,480)
(Gain) loss on the disposition of property, plant and equipment	(11)	4
Impairment of equity investment	1,635
Deferred income taxes	(948)	(2,827)
Changes in operating assets and liabilities, excluding the effects of acquisitions:
Increase in accounts receivable, net	(41,097)	(815)
Decrease (increase) in inventory	52,452	(47,528)
(Increase) decrease in other assets	(4,794)	5,450
Increase in accounts payable	71,481	104,284
Decrease in checks in-transit	(49,434)	(51,872)
Decrease in accrued liabilities	(20,677)	(7,561)
Decrease in other liabilities	(6,292)	(11,792)
Net cash provided by operating activities	73,276	54,708
Cash Flows From Investing Activities:
Capital expenditures	(16,223)	(10,684)
Acquisitions, net of cash acquired		(15,527)
Proceeds from the disposition of property, plant and equipment	60	38
Net cash used in investing activities	(16,163)	(26,173)
Cash Flows From Financing Activities:
Borrowings under Revolving Credit Facility		11,600
Net proceeds from share-based compensation arrangements	13,767	25,941
Acquisition of treasury stock, at cost	(69,866)	(74,675)
Payment of cash dividends	(6,033)
Excess tax benefits related to share-based compensation	2,591	3,480
Payment of debt fees and other	(111)	(39)
Net cash used in financing activities	(59,652)	(33,693)
Effect of exchange rate changes on cash and cash equivalents	10	(4)
Net change in cash and cash equivalents	(2,529)	(5,162)
Cash and cash equivalents, beginning of period	21,301	18,555
Cash and cash equivalents, end of period	18,772	13,393
Other Cash Flow Information:
Income tax payments, net	30,159	31,411
Interest paid	$ 12,943	$ 12,837