Consolidated Statements of Operations and Comprehensive Income (Loss) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2012
Net revenues	$ 54,123	$ 66,989	$ 153,355	$ 184,070
Cost of revenues	31,549	31,926	92,819	78,178
Gross margin	22,574	35,063	60,536	105,892
Operating expenses:
Selling, general and administrative	13,918	15,217	43,025	43,281
Research and development	7,503	11,452	25,130	35,041
Amortization of intangible assets	2,356	1,143	6,374	2,651
Restructuring and other charges	228		5,429
Acquisition costs and other related expenses	32	145	304	763
Total operating expenses	24,037	27,957	80,262	81,736
(Loss) income from operations	(1,463)	7,106	(19,726)	24,156
Interest income	2	3	6	12
Interest expense	(7)	(8)	(30)	(26)
Other income, net	24	524	479	1,323
(Loss) income from operations before income taxes	(1,444)	7,625	(19,271)	25,465
Tax (benefit) provision	(2,232)	2,380	(8,075)	8,522
Net income (loss)	788	5,245	(11,196)	16,943
Basic net earnings (loss) per share:	$ 0.03	$ 0.18	$ (0.37)	$ 0.58
Diluted net earnings (loss) per share:	$ 0.03	$ 0.17	$ (0.37)	$ 0.56
Weighted-average shares outstanding:
Basic	30,235	29,562	30,075	29,432
Diluted	30,410	30,168	30,075	30,057
Comprehensive income (loss):
Net income (loss)	788	5,245	(11,196)	16,943
Foreign currency translation adjustments	(173)	(12)	(273)	26
Total comprehensive income (loss)	$ 615	$ 5,233	$ (11,469)	$ 16,969