Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash Flows from Operations
Net Income	$ 7,979	$ 16,429
Adjustments to reconcile net income to cash provided by operations:
Depreciation and amortization	9,017	7,790
Deferred income taxes	(528)	(305)
Net gains on disposal of property	(21)	(1,289)
Loss on impairment of property	0	175
Net income attributable to noncontrolling interests	(33)	(74)
Changes in assets and liabilities:
Trade receivables	12,827	66,067
Merchandise inventory	(12,941)	(37,360)
Other current assets	1,519	907
Other non-current assets	2,644	(226)
Trade accounts payable	46,660	(10,853)
Accrued payroll and benefit costs	(17,215)	(25,314)
Other current liabilities	1,949	12,776
Other non-current liabilities	(1,975)	6,276
Total adjustments to net income	41,903	18,570
Net cash provided by operations	49,882	34,999
Cash Flows from Investing Activities
Proceeds from disposal of property	34	1,377
Capital expenditures for property	(14,763)	(10,497)
Net cash used by investing activities	(14,729)	(9,120)
Cash Flows from Financing Activities
Net (decrease) increase in short-term borrowings	(18,586)	47,558
Repayment of long-term debt	0	(27,715)
Principal payments under capital leases	(759)	(729)
Sale of common stock	6,248	5,619
Purchases of common stock	(2,954)	(1,542)
Purchases of noncontrolling interests' common stock	(63)	(2,762)
Dividends paid	(4,700)	(16,864)
Net cash (used) provided by financing activities	(20,814)	3,565
Net Increase in Cash	14,339	29,444
Cash, Beginning of Year	37,674	71,967
Cash, End of Period	52,013	101,411
Non-cash Investing and Financing Activities
Acquisitions of equipment under capital leases	$ 316	$ 341