CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 24,838	$ 22,326
Accounts receivable, less allowance for doubtful accounts of $20,168 in 2014 and $20,608 in 2013	749,415	643,379
Inventories	796,325	830,295
Other current assets	20,599	29,255
Total current assets	1,591,177	1,525,255
Property, plant and equipment, net	133,076	143,050
Goodwill	381,687	356,811
Intangible assets, net	72,499	65,502
Other long-term assets	24,372	25,576
Total assets	2,202,811	2,116,194
Current liabilities:
Accounts payable	515,350	476,113
Accrued liabilities	189,224	191,531
Current maturities of long-term debt	894	373
Total current liabilities	705,468	668,017
Deferred income taxes	28,265	29,552
Long-term debt	545,009	533,324
Other long-term liabilities	60,500	59,787
Total liabilities	1,339,242	1,290,680
Stockholders’ equity:
Common stock, $0.10 par value; authorized - 100,000,000 shares, issued - 74,435,628 shares in 2014 and 2013	7,444	7,444
Additional paid-in capital	410,303	411,954
Treasury stock, at cost – 35,562,874 shares in 2014 and 34,714,083 shares in 2013	(1,035,570)	(998,234)
Retained earnings	1,521,230	1,444,238
Accumulated other comprehensive loss	(39,838)	(39,888)
Total stockholders’ equity	863,569	825,514
Total liabilities and stockholders’ equity	$ 2,202,811	$ 2,116,194