Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data	3 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Consolidated Statements Of Operations
Net revenues	$ 49,122	$ 52,108
Cost of revenues	19,206	21,448
Gross margin	29,916	30,660
Operating expenses:
Selling, general and administrative	13,645	14,197
Research and development	11,865	10,899
Amortization of acquired intangible assets	816	319
Acquisition costs and other related expenses	25
Total operating expenses	26,351	25,415
Income from operations	3,565	5,245
Interest income	6	7
Interest expense	(9)	(9)
Other income, net	405	516
Income from continuing operations before income taxes	3,967	5,759
Income taxes	1,314	2,077
Income from continuing operations	2,653	3,682
Loss from discontinued operations, net of income taxes		(52)
Net income	2,653	3,630
Basic net earnings per share:
Income from continuing operations	$ 0.09	$ 0.16
Loss from discontinued operations
Net income	$ 0.09	$ 0.16
Diluted net earnings per share:
Income from continuing operations	$ 0.09	$ 0.16
Loss from discontinued operations
Net income	$ 0.09	$ 0.16
Weighted-average shares outstanding:
Basic	29,277	22,944
Diluted	30,033	23,411
Comprehensive income:
Net income	2,653	3,630
Foreign currency translation adjustments	63	166
Net unrealized loss on investments	(5)
Total comprehensive income	$ 2,711	$ 3,796