Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 41,216	$ 29,372
Accounts receivable, net	92,392	82,184
Inventories, net	72,115	90,904
Prepaid expenses and other current assets	3,286	3,045
Deferred income taxes	6,561	6,558
Total current assets	215,570	212,063
Property, plant, and equipment, net	76,890	80,449
Goodwill	30,833	30,820
Intangible assets, net	30,534	32,814
Other assets	5,373	5,350
Deferred income taxes	8,073	7,992
Total assets	367,273	369,488
Current liabilities:
Accounts payable	48,688	55,430
Line of credit	2,000	2,000
Notes payable	4,800	14,400
Accrued sales discounts, rebates and royalties	6,443	6,544
Accrued income taxes	4,267	5,707
Accrued compensation	31,343	29,204
Deferred income taxes	52	50
Other accrued expenses	8,214	13,967
Total current liabilities	105,807	127,302
Long-term liabilities:
Deferred income taxes	11,336	11,056
Income tax payable	1,136	1,136
Other long-term liabilities	1,652	5
Total liabilities	119,931	139,499
Commitments and contingencies
Stockholders' equity:
Preferred stock, $0.01 par value, 5,000,000 shares authorized; none issued or outstanding
Common stock, $0.01 par value, 50,000,000 shares authorized; 21,368,580 and 21,142,915 shares issued on September 30, 2012 and December 31, 2011, respectively	214	211
Paid-in capital	178,602	173,701
Accumulated other comprehensive (loss) income	(57)	938
Retained earnings	167,651	154,016
Stockholders' equity before treasury stock	346,410	328,866
Less cost of common stock in treasury, 6,360,302 and 6,353,035 shares on September 30, 2012 and December 31, 2011, respectively	(99,068)	(98,877)
Total stockholders' equity	247,342	229,989
Total liabilities and stockholders' equity	$ 367,273	$ 369,488