Consolidated Statements Of Operations And Comprehensive Income (Loss) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Net revenues	$ 208,791	$ 244,929	$ 228,710
Cost of revenues	126,123	108,773	98,811
Gross margin	82,668	136,156	129,899
Operating expenses:
Selling, general and administrative	57,579	57,159	57,868
Research and development	32,687	45,984	44,500
Amortization of acquired intangible assets	8,717	3,799	1,984
Restructuring and other charges	7,056	2,821	0
Impairment of long-lived assets	0	0	150
Acquisition costs and other related expenses	318	1,219	412
Change in the fair value of the liability related to the LNX earn-out	0	(4,938)	0
Total operating expenses	106,357	106,044	104,914
(Loss) income from operations	(23,689)	30,112	24,985
Interest income	7	13	34
Interest expense	(38)	(40)	(79)
Other income, net	558	1,686	1,562
(Loss) income before income taxes	(23,162)	31,771	26,502
Tax (benefit) provision	(9,954)	9,152	8,060
Net (loss) income	(13,208)	22,619	18,442
Basic net earnings (loss) per share:
Basic net (loss) earnings per share (dollars per share)	$ (0.44)	$ 0.77	$ 0.73
Diluted net earnings (loss) per share:
Diluted net (loss) earnings per share (dollars per share)	$ (0.44)	$ 0.75	$ 0.70
Weighted-average shares outstanding:
Basic (in shares)	30,128	29,477	25,322
Diluted (in shares)	30,128	30,085	26,209
Comprehensive (loss) income:
Net (loss) income	(13,208)	22,619	18,442
Foreign currency translation adjustments	(359)	53	311
Net unrealized (loss) gain on investments	15	(2)	2
Total comprehensive (loss) income	$ (13,552)	$ 22,670	$ 18,755