Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Cash Flows from Operations
Net Income	$ 119,417	$ 80,678
Adjustments to reconcile net income to cash provided by operations:
Depreciation and amortization	36,932	36,231
Deferred income taxes	6,663	(6,659)
Net gains on disposal of property	(4)	(270)
Losses on impairment of property	320	0
Net income attributable to noncontrolling interests	(270)	(229)
Changes in assets and liabilities:
Trade receivables	(148,423)	(86,433)
Merchandise inventory	(85,488)	(94,141)
Other current assets	7,535	1,489
Other non-current assets	(14,631)	(2,503)
Trade accounts payable	115,610	83,768
Accrued payroll and benefit costs	(25,815)	(36,019)
Other current liabilities	13,188	20,875
Other non-current liabilities	(42,204)	(24,646)
Total adjustments to net income	(136,587)	(108,537)
Net cash used by operations	(17,170)	(27,859)
Cash Flows from Investing Activities
Proceeds from disposal of property	535	2,015
Capital expenditures for property	(27,319)	(26,674)
Net cash used by investing activities	(26,784)	(24,659)
Cash Flows from Financing Activities
Net increase in short-term borrowings	76,357	76,139
Principal payments under capital leases	(3,577)	(3,613)
Sale of common stock	15,991	15,558
Purchases of common stock	(12,832)	(11,424)
Sales of noncontrolling interests’ common stock	0	627
Purchases of noncontrolling interests’ common stock	(255)	(392)
Dividends paid	(17,587)	(15,910)
Net cash provided by financing activities	58,097	60,985
Net Increase in Cash	14,143	8,467
Cash, Beginning of Year	42,757	43,339
Cash, End of Period	56,900	51,806
Non-cash Investing and Financing Activities
Acquisitions of equipment under capital leases	2,829	1,407
Acquisition of software and maintenance under financing arrangement	$ 5,046	$ 0