Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Cash Flows from Operations
Net Income	$ 16,429	$ 11,645
Adjustments to reconcile net income to cash provided by operations:
Depreciation and amortization	7,790	9,625
Deferred income taxes	(305)	77
Net gains on disposal of property	(1,289)	(28)
Loss on impairment of property	175	0
Net income attributable to noncontrolling interests	(74)	(117)
Changes in assets and liabilities:
Trade receivables	66,067	1,704
Merchandise inventory	(37,360)	(17,638)
Other current assets	907	2,603
Other non-current assets	(226)	(759)
Trade accounts payable	(10,853)	31,766
Accrued payroll and benefit costs	(25,314)	(23,315)
Other current liabilities	12,776	14,599
Other non-current liabilities	6,276	(4,083)
Total adjustments to net income	18,570	14,434
Net cash provided by operations	34,999	26,079
Cash Flows from Investing Activities
Proceeds from disposal of property	1,377	58
Capital expenditures for property	(10,497)	(5,057)
Net cash used by investing activities	(9,120)	(4,999)
Cash Flows from Financing Activities
Net increase (decrease) in short-term borrowings	47,558	(2,429)
Repayment of long-term debt	(27,715)	(221)
Principal payments under capital leases	(729)	(800)
Sale of common stock	5,619	5,143
Purchases of common stock	(1,542)	(1,789)
Purchases of noncontrolling interests' common stock	(2,762)	(15)
Dividends paid	(16,864)	(15,214)
Net cash provided (used) by financing activities	3,565	(15,325)
Net Increase in Cash	29,444	5,755
Cash, Beginning of Year	71,967	82,356
Cash, End of Period	101,411	88,111
Non-cash Investing and Financing Activities
Acquisitions of equipment under capital leases	$ 341	$ 571