Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Cash Flows from Operations
Net Income	$ 21,164	$ 17,723
Adjustments to reconcile net income to cash provided by operations:
Depreciation and amortization	12,057	11,876
Deferred income taxes	(516)	(644)
Net gains on disposal of property	(27)	(90)
Net income attributable to noncontrolling interests	(71)	(42)
Changes in assets and liabilities:
Trade receivables	10,779	23,080
Merchandise inventory	(40,777)	(47,901)
Other current assets	11,407	(785)
Other non-current assets	(207)	(2,790)
Trade accounts payable	49,082	56,658
Accrued payroll and benefit costs	(37,221)	(43,975)
Other current liabilities	(7,982)	40
Other non-current liabilities	3,372	(4,770)
Total adjustments to net income	(104)	(9,343)
Net cash provided by operations	21,060	8,380
Cash Flows from Investing Activities
Proceeds from disposal of property	592	116
Capital expenditures for property	(8,354)	(6,235)
Net cash used by investing activities	(7,762)	(6,119)
Cash Flows from Financing Activities
Net increase in short-term borrowings	10,357	26,036
Principal payments under capital leases	(2,346)	(2,119)
Sale of common stock	9,486	9,302
Purchases of common stock	(4,662)	(3,629)
Purchases of noncontrolling interests’ common stock	(236)	(355)
Dividends paid	(5,874)	(5,306)
Net cash provided by financing activities	6,725	23,929
Net Increase in Cash	20,023	26,190
Cash, Beginning of Year	42,757	43,339
Cash, End of Period	62,780	69,529
Non-cash Investing and Financing Activities
Acquisitions of equipment under capital leases	42	145
Acquisition of software and maintenance under financing arrangement	$ 5,046	$ 0