CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 22,326	$ 30,919
Accounts receivable, less allowance for doubtful accounts of $20,608 in 2013 and $22,716 in 2012	643,379	658,760
Inventories	830,295	767,206
Other current assets	29,255	30,118
Total current assets	1,525,255	1,487,003
Property, plant and equipment, at cost:
Land	13,185	13,250
Buildings	62,235	61,722
Fixtures and equipment	318,013	301,444
Leasehold improvements	28,860	28,762
Capitalized software costs	83,026	77,308
Total property, plant and equipment	505,319	482,486
Less-accumulated depreciation and amortization	362,269	338,963
Net property, plant and equipment	143,050	143,523
Intangible assets, net	65,502	67,192
Goodwill	356,811	357,226
Other long-term assets	25,576	20,260
Total assets	2,116,194	2,075,204
Current liabilities:
Accounts payable	476,113	495,278
Accrued liabilities	191,531	205,228
Current maturities of long-term debt	373
Total current liabilities	668,017	700,506
Deferred income taxes	29,552	18,054
Long-term debt	533,324	524,376
Other long-term liabilities	59,787	94,176
Total liabilities	1,290,680	1,337,112
Stockholders' equity:
Common stock, $0.10 par value; authorized-100,000,000 shares, issued-74,435,628 shares at December 31, 2013 and 2012	7,444	7,444
Additional paid-in capital	411,954	404,196
Treasury stock, at cost-34,714,083 and 34,116,220 shares at December 31, 2013 and 2012, respectively	(998,234)	(963,220)
Retained earnings	1,444,238	1,343,437
Accumulated other comprehensive loss	(39,888)	(53,765)
Total stockholders' equity	825,514	738,092
Total liabilities and stockholders' equity	$ 2,116,194	$ 2,075,204