Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2012
Current assets
Cash and cash equivalents	$ 4,035	$ 9,939	$ 3,541
Accounts receivable, net	54,249	21,846	57,535
Inventories	110,207	97,367	88,630
Deferred taxes	10,073	10,073	10,125
Prepaid expenses and other current assets	9,882	14,798	5,570
Total current assets	188,446	154,023	165,401
Fixed assets, net	112,783	107,936	95,438
Goodwill	21,177	21,177	21,050
Other intangible assets, net	66,759	69,218	76,309
Deferred taxes	14,993	14,993	14,496
Other assets	7,412	6,521	7,570
Total assets	411,570	373,868	380,264
Current liabilities
Accounts payable, trade	40,256	21,725	19,749
Accrued expenses and other current liabilities	49,326	48,055	48,036
Total current liabilities	89,582	69,780	67,785
Other long-term liabilities	21,122	19,843	21,574
Total liabilities	110,704	89,623	89,359
Stockholders' equity
Common stock, par value $.01 per share	256	254	250
Paid-in capital	108,659	100,412	86,880
Retained earnings	221,418	213,046	233,242
Stockholders' equity before treasury stock	330,333	313,712	320,372
Treasury stock, at cost	(29,467)	(29,467)	(29,467)
Total stockholders' equity	300,866	284,245	290,905
Total liabilities and stockholders' equity	$ 411,570	$ 373,868	$ 380,264