Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2012
Current assets
Cash and cash equivalents	$ 31,877	$ 9,939	$ 42,514
Accounts receivable, net	59,515	21,846	50,900
Inventories	99,777	97,367	91,413
Deferred taxes	10,073	10,073	10,125
Prepaid expenses and other current assets	10,844	14,798	9,631
Total current assets	212,086	154,023	204,583
Fixed assets, net	117,419	107,936	99,342
Goodwill	21,552	21,177	21,177
Other intangible assets, net	64,307	69,218	73,986
Deferred taxes	14,993	14,993	14,496
Other assets	7,392	6,521	5,618
Total assets	437,749	373,868	419,202
Current liabilities
Accounts payable, trade	33,463	21,725	44,372
Accrued expenses and other current liabilities	57,405	48,055	48,665
Total current liabilities	90,868	69,780	93,037
Other long-term liabilities	21,734	19,843	21,305
Total liabilities	112,602	89,623	114,342
Stockholders' equity
Common stock, par value $.01 per share	258	254	250
Paid-in capital	117,073	100,412	89,127
Retained earnings	237,283	213,046	244,950
Stockholders' equity before treasury stock	354,614	313,712	334,327
Treasury stock, at cost	(29,467)	(29,467)	(29,467)
Total stockholders' equity	325,147	284,245	304,860
Total liabilities and stockholders' equity	$ 437,749	$ 373,868	$ 419,202