Consolidated Balance Sheets (Unaudited) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 37,900	$ 54,249
Accounts receivable, net	87,733	86,304
Inventories, net	76,497	65,402
Prepaid expenses and other current assets	2,855	2,582
Deferred income taxes	6,195	5,896
Total current assets	211,180	214,433
Property, plant, and equipment, net	78,395	78,097
Goodwill	31,033	30,877
Intangible assets, net	34,358	35,994
Other assets	5,365	5,464
Deferred income taxes	7,479	7,806
Total assets	367,810	372,671
Current liabilities:
Accounts payable	59,705	56,086
Notes payable	20,600	35,000
Accrued sales discounts, rebates and royalties	6,135	7,942
Accrued income taxes	2,283	5,873
Accrued compensation	29,681	30,634
Deferred income taxes	49	0
Other accrued expenses	12,682	13,295
Total current liabilities	131,135	148,830
Long-term liabilities:
Deferred income taxes	11,547	11,369
Income tax payable	1,212	1,212
Other long-term liabilities	5	56
Total liabilities	143,899	161,467
Commitments and contingencies
Stockholders' equity:
Preferred stock, $0.01 par value, 5,000,000 shares authorized; none issued or outstanding	0	0
Common stock, $0.01 par value, 50,000,000 shares authorized; 21,029,169 and 20,877,248 shares issued on June 30, 2011 and December 31, 2010, respectively	210	209
Paid-in capital	170,788	166,940
Accumulated other comprehensive income (loss)	3,704	(489)
Retained earnings	142,018	134,070
Total stockholders' equity	316,720	300,730
Less cost of common stock in treasury, 6,048,261 and 5,926,071 shares on June 30, 2011 and December 31, 2010, respectively	(92,809)	(89,526)
Total stockholders' equity	223,911	211,204
Total liabilities and stockholders' equity	$ 367,810	$ 372,671