Condensed Consolidated Statements of Cash Flows (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Cash Flows from Operations
Net Income	$ 35,649	$ 13,132
Adjustments to reconcile net income to cash provided by operations:
Depreciation and amortization	17,002	19,693
Deferred income taxes	(1,684)	1,170
Net gains on disposal of property	(29)	(783)
Net income attributable to noncontrolling interests	(200)	(98)
Changes in assets and liabilities:
Trade receivables	(117,335)	(43,646)
Merchandise inventory	(30,533)	(68,989)
Other current assets	180	(721)
Other non-current assets	(1,112)	1,909
Trade accounts payable	131,969	67,977
Accrued payroll and benefit costs	(28,271)	(11,397)
Other current liabilities	29,490	(14,633)
Other non-current liabilities	(4,892)	(857)
Total adjustments to net income	(5,415)	(50,375)
Net cash provided (used) by operations	30,234	(37,243)
Cash Flows from Investing Activities
Proceeds from disposal of property	363	1,083
Capital expenditures for property	(11,096)	(12,283)
Net cash used by investing activities	(10,733)	(11,200)
Cash Flows from Financing Activities
Net increase in short-term borrowings	28,452	650
Repayment of long-term debt	(10,926)	(10,783)
Principal payments under capital leases	(1,652)	(831)
Sale of common stock	7,303	6,397
Purchases of common stock	(4,488)	(5,851)
Purchases of noncontrolling interests' common stock	(63)	(83)
Dividends paid	(18,739)	(17,029)
Net cash used by financing activities	(113)	(27,530)
Net Increase (Decrease) in Cash	19,388	(75,973)
Cash, Beginning of Year	82,356	163,864
Cash, End of Period	101,744	87,891
Non-cash Investing and Financing Activities
Acquisitions of equipment under capital leases	$ 1,434	$ 1,734