Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash Flows from Operations
Net Income	$ 11,350	$ 7,979
Adjustments to reconcile net income to cash provided by operations:
Depreciation and amortization	9,677	9,017
Deferred income taxes	(395)	(528)
Net gains on disposal of property	(70)	(21)
Net income attributable to noncontrolling interests	(29)	(33)
Changes in assets and liabilities:
Trade receivables	45,979	14,371
Merchandise inventory	(9,938)	(12,941)
Other current assets	(7,269)	1,519
Other non-current assets	3,479	2,644
Trade accounts payable	25,820	45,278
Accrued payroll and benefit costs	(17,526)	(17,215)
Other current liabilities	(9,777)	1,949
Other non-current liabilities	(6,016)	(2,137)
Total adjustments to net income	33,935	41,903
Net cash provided by operations	45,285	49,882
Cash Flows from Investing Activities
Proceeds from disposal of property	89	34
Capital expenditures for property	(8,991)	(14,763)
Net cash used by investing activities	(8,902)	(14,729)
Cash Flows from Financing Activities
Net decrease in short-term borrowings	(3,452)	(18,586)
Principal payments under capital leases	(914)	(759)
Sale of common stock	7,050	6,248
Purchases of common stock	(5,505)	(2,954)
Purchases of noncontrolling interests’ common stock	(272)	(63)
Dividends paid	(4,792)	(4,700)
Net cash used by financing activities	(7,885)	(20,814)
Net Increase in Cash	28,498	14,339
Cash, Beginning of Year	34,665	37,674
Cash, End of Period	63,163	52,013
Non-cash Investing and Financing Activities
Acquisitions of equipment under capital leases	817	316
Acquisition of software under financing arrangement	$ 6,254	$ 0