Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Cash Flows from Operations
Net Income	$ 12,494us-gaap_ProfitLoss	$ 11,350us-gaap_ProfitLoss
Adjustments to reconcile net income to cash provided by operations:
Depreciation and amortization	10,309	9,677
Deferred income taxes	(1,283)us-gaap_DeferredIncomeTaxExpenseBenefit	(395)us-gaap_DeferredIncomeTaxExpenseBenefit
Net gains on disposal of property	(3,699)	(70)
Net income attributable to noncontrolling interests	(34)	(29)
Changes in assets and liabilities:
Trade receivables	66,859	45,979
Merchandise inventory	(38,644)us-gaap_IncreaseDecreaseInInventories	(9,938)us-gaap_IncreaseDecreaseInInventories
Other current assets	11,659	(2,381)
Other non-current assets	4,167	3,479
Trade accounts payable	(25,022)	20,932
Accrued payroll and benefit costs	(23,364)	(17,526)
Other current liabilities	780	(9,777)
Other non-current liabilities	3,450	(6,016)
Total adjustments to net income	5,178	33,935
Net cash provided by operations	17,672	45,285
Cash Flows from Investing Activities
Proceeds from disposal of property	8,312	89
Capital expenditures for property	(34,706)	(8,991)
Net cash used by investing activities	(26,394)	(8,902)
Cash Flows from Financing Activities
Net increase (decrease) in short-term borrowings	29,478	(3,452)
Repayment of long-term debt	(908)us-gaap_RepaymentsOfLongTermDebt	0us-gaap_RepaymentsOfLongTermDebt
Principal payments under capital leases	(2,202)	(914)
Sale of common stock	7,833	7,050
Purchases of common stock	(3,658)	(5,505)
Purchases of noncontrolling interests’ common stock	(90)us-gaap_PaymentsToMinorityShareholders	(272)us-gaap_PaymentsToMinorityShareholders
Dividends paid	(4,815)us-gaap_PaymentsOfDividendsCommonStock	(4,792)us-gaap_PaymentsOfDividendsCommonStock
Net cash provided (used) by financing activities	25,638	(7,885)
Net Increase in Cash	16,916	28,498
Cash, Beginning of Year	33,758	34,665
Cash, End of Period	50,674	63,163
Non-cash Investing and Financing Activities
Acquisitions of equipment under capital leases	4,758us-gaap_CapitalLeaseObligationsIncurred	817us-gaap_CapitalLeaseObligationsIncurred
Acquisition of software and maintenance under financing arrangement	$ 0	$ 6,254

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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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