Condensed Consolidated Balance Sheets (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010	Jun. 30, 2010
ASSETS
Cash and cash equivalents	$ 36,774	$ 38,880	$ 47,073
Short-term investments		4,999	10,993
Accounts receivable, trade, less allowances	44,050	12,890	41,267
Inventories	83,556	69,328	69,175
Prepaid expenses and other current assets	18,306	16,768	15,156
Total current assets	182,686	142,865	183,664
Fixed assets, net	85,308	79,848	79,930
Goodwill	8,600	7,497	7,086
Other intangible assets, net	58,433	57,419	60,421
Deferred taxes	15,385	15,770	16,532
Other assets	3,969	3,382	3,021
Total assets	354,381	306,781	350,654
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable, trade	27,377	11,351	29,380
Accrued expenses and other current liabilities	39,101	33,723	42,127
Total current liabilities	66,478	45,074	71,507
Other long-term liabilities	20,279	18,248	16,211
Total liabilities	86,757	63,322	87,718
Stockholders' equity
Common stock, par value $.01 per share	247	247	246
Paid-in capital	83,799	79,986	76,140
Retained earnings	212,419	192,067	214,350
Stockholders' equity before treasury stock	296,465	272,300	290,736
Treasury stock, at cost	(28,841)	(28,841)	(27,800)
Total stockholders' equity	267,624	243,459	262,936
Total liabilities and stockholders' equity	$ 354,381	$ 306,781	$ 350,654