Consolidated Statements Of Operations And Comprehensive (Loss) Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Net revenues	$ 49,804	$ 67,959	$ 99,232	$ 117,081
Cost of revenues	32,232	27,046	61,270	46,252
Gross margin	17,572	40,913	37,962	70,829
Operating expenses:
Selling, general and administrative	14,574	14,419	29,107	28,064
Research and development	7,588	11,724	17,627	23,589
Amortization of intangible assets	2,230	692	4,018	1,508
Restructuring and other charges	217		5,201
Acquisition costs and other related expenses	42	593	272	618
Total operating expenses	24,651	27,428	56,225	53,779
(Loss) income from operations	(7,079)	13,485	(18,263)	17,050
Interest income	2	3	4	9
Interest expense	(15)	(9)	(23)	(18)
Other income, net	116	394	455	799
(Loss) income from operations before income taxes	(6,976)	13,873	(17,827)	17,840
Tax (benefit) provision	(2,192)	4,828	(5,843)	6,142
Net (loss) income	(4,784)	9,045	(11,984)	11,698
Basic net (loss) earnings per share:	$ (0.16)	$ 0.31	$ (0.40)	$ 0.40
Diluted net (loss) earnings per share:	$ (0.16)	$ 0.30	$ (0.40)	$ 0.39
Weighted-average shares outstanding:
Basic	30,107	29,457	29,995	29,367
Diluted	30,107	29,969	29,995	30,001
Comprehensive (loss) income:
Net (loss) income	(4,784)	9,045	(11,984)	11,698
Foreign currency translation adjustments	(132)	(20)	(100)	38
Total comprehensive (loss) income	$ (4,916)	$ 9,025	$ (12,084)	$ 11,736