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Consolidated Statements Of Operations (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
Consolidated Statements Of Operations [Abstract]
Net revenues	$ 113,263	$ 75,602	$ 293,068	$ 219,664
Cost of net revenues	86,573	62,412	234,202	175,113
Gross profit	26,690	13,190	58,866	44,551
Operating costs and expenses:
Research and development	15,126	11,576	45,517	34,070
Sales and marketing	7,211	4,163	22,805	15,258
General and administrative	6,243	3,833	16,550	14,309
Goodwill impairment loss	3,514	0	3,514	0
Amortization of purchased intangible assets	644	0	1,699	0
Total operating costs and expenses	32,738	19,572	90,085	63,637
Operating loss	(6,048)	(6,382)	(31,219)	(19,086)
Other income (expense):
Interest income (expense), net	60	(2,292)	303	(2,698)
Other income (expense), net	(679)	420	(1,164)	1,671
Loss before income taxes	(6,667)	(8,254)	(32,080)	(20,113)
Income tax expense (benefit)	(11,165)	(1,149)	(10,592)	12,420
Net income (loss)	$ 4,498	$ (7,105)	$ (21,488)	$ (32,533)
Per share data:
Basic	$ 0.14	$ (0.22)	$ (0.67)	$ (1.04)
Diluted	$ 0.14	$ (0.22)	$ (0.67)	$ (1.04)
Weighted average shares used in computation of basic and diluted net income (loss) per share:
Basic	32,057	31,615	32,005	31,414
Diluted	32,370	31,615	32,005	31,414

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