CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 87,642	$ 76,174
Accounts receivable, net	107,508	95,408
Inventories, net	88,776	96,309
Prepaid expenses and other current assets	4,290	4,395
Income tax receivable	6	13
Deferred income taxes	6,156	6,167
Total current assets	294,378	278,466
Property, plant, and equipment, net	75,353	75,570
Goodwill	30,995	31,000
Intangible assets, net	25,576	26,963
Deferred income taxes	5,467	6,455
Other assets	5,222	5,279
Total assets	436,991	423,733
Current liabilities:
Accounts payable	69,859	58,498
Line of credit	0	0
Accrued compensation	34,727	38,317
Accrued sales discounts, rebates and royalties	7,631	8,539
Accrued income taxes	1,115	3,032
Deferred income taxes	305	303
Other accrued expenses	13,227	11,229
Total current liabilities	126,864	119,918
Long-term liabilities:
Deferred income taxes	10,004	9,887
Income tax payable	606	606
Other long-term liabilities	1,998	2,052
Total liabilities	139,472	132,463
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; 22,648,822 and 22,344,121 shares issued on June 30, 2014 and December 31, 2013, respectively	227	223
Paid-in capital	208,906	199,513
Accumulated other comprehensive income (loss)	1,138	2,982
Retained earnings	206,293	193,532
Stockholders' equity before treasury stock	416,564	396,250
Less cost of common stock in treasury, 6,974,030 and 6,639,497 shares on June 30, 2014 and December 31, 2013, respectively	(119,045)	(104,980)
Total stockholders' equity	297,519	291,270
Total liabilities and stockholders' equity	$ 436,991	$ 423,733