Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Cash Flows from Operations
Net Income	$ 40,791	$ 37,639
Adjustments to reconcile net income to cash provided by operations:
Depreciation and amortization	22,875	21,122
Deferred income taxes	2,585	(3,205)
Net gains on disposal of property	(1,719)	(4,355)
Net income attributable to noncontrolling interests	(111)	(91)
Changes in assets and liabilities:
Trade receivables	(49,792)	(23,004)
Merchandise inventory	(101,735)	(55,818)
Other current assets	2,684	17,928
Other non-current assets	19,006	2,806
Trade accounts payable	79,513	30,155
Accrued payroll and benefit costs	(40,762)	(64,013)
Other current liabilities	9,589	(3,752)
Other non-current liabilities	(16,373)	2,901
Total adjustments to net income	(74,240)	(79,326)
Net cash used by operations	(33,449)	(41,687)
Cash Flows from Investing Activities
Proceeds from disposal of property	3,039	9,115
Capital expenditures for property	(16,547)	(50,767)
Acquisition of business, net of cash acquired	0	(18,302)
Net cash used by investing activities	(13,508)	(59,954)
Cash Flows from Financing Activities
Net increase in short-term borrowings	58,512	117,846
Repayment of long-term debt	(1,853)	(1,820)
Principal payments under capital leases	(3,101)	(2,940)
Sale of common stock	11,963	11,022
Purchases of common stock	(5,503)	(7,974)
Purchases of noncontrolling interests’ common stock	(353)	(97)
Dividends paid	(9,977)	(9,616)
Net cash provided by financing activities	49,688	106,421
Net Increase in Cash	2,731	4,780
Cash, Beginning of Year	37,931	33,758
Cash, End of Period	40,662	38,538
Non-cash Investing and Financing Activities
Acquisitions of equipment under capital leases	$ 27	$ 5,292