Consolidated Statements of Income (USD $) In Thousands, except Per Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Revenues	$ 97,876	$ 75,167	$ 251,359	$ 217,485
Cost of sales:
Cost of sales	66,610	50,740	173,777	147,089
Amortization of purchased technology	3,283	1,630	5,610	5,018
Total cost of sales	69,893	52,370	179,387	152,107
Gross margin	27,983	22,797	71,972	65,378
Research and development	12,955	9,863	31,562	29,174
Selling, general and administrative	15,610	11,225	37,520	34,030
Intangible assets amortization	1,234	192	1,618	538
Restructuring and acquisition-related charges, net	5,758	(228)	8,279	(203)
Gain on the liquidation of a foreign subsidiary	(2,081)	0	(2,081)	0
Income (loss) from operations	(5,493)	1,745	(4,926)	1,839
Interest expense	(458)	(462)	(1,410)	(1,578)
Interest income	6	59	97	566
Other income (expense), net	327	(55)	187	(34)
Income (loss) before income tax benefit	(5,618)	1,287	(6,052)	793
Income tax benefit	(8,383)	(884)	(8,478)	(920)
Net income	$ 2,765	$ 2,171	$ 2,426	$ 1,713
Net income per share:
Basic	$ 0.10	$ 0.09	$ 0.10	$ 0.07
Diluted	$ 0.10	$ 0.09	$ 0.09	$ 0.07
Weighted average shares outstanding:
Basic	26,432	24,212	25,038	24,088
Diluted	27,820	24,400	25,595	24,310