CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 23,889	$ 21,329
Accounts receivable, less allowance for doubtful accounts of $16,751 in 2017 and $18,196 in 2016	663,926	678,184
Inventories	800,323	876,837
Other current assets	36,984	32,100
Total current assets	1,525,122	1,608,450
Property, plant and equipment, net	127,104	128,251
Intangible assets, net	78,149	83,690
Goodwill	99,479	297,906
Other long-term assets	45,971	45,209
Total assets	1,875,825	2,163,506
Current liabilities:
Accounts payable	508,639	484,602
Accrued liabilities	188,940	197,804
Current maturities of long-term debt	6,089	28
Total current liabilities	703,668	682,434
Deferred income taxes	1,307	6,378
Long-term debt	504,932	608,941
Other long-term liabilities	72,239	84,647
Total liabilities	1,282,146	1,382,400
Stockholders’ equity:
Common stock, $0.10 par value; authorized - 100,000,000 shares, issued - 74,435,628 shares in 2017 and 2016	7,444	7,444
Additional paid-in capital	413,865	409,805
Treasury stock, at cost – 36,967,119 shares in 2017 and 36,951,522 shares in 2016	(1,097,300)	(1,096,744)
Retained earnings	1,313,209	1,507,057
Accumulated other comprehensive loss	(43,539)	(46,456)
Total stockholders’ equity	593,679	781,106
Total liabilities and stockholders’ equity	$ 1,875,825	$ 2,163,506