CONDENSED CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2012	Mar. 31, 2011
Revenue	$ 57,770	$ 57,110	$ 163,668	$ 156,232
Cost of revenue	14,793	12,739	35,054	30,419
Gross profit	42,977	44,371	128,614	125,813
Operating expenses:
Research and development	17,848	14,239	51,638	40,739
Sales and marketing	8,839	6,699	24,689	17,229
General and administrative	5,473	5,701	17,514	14,170
Total operating expenses	32,160	26,639	93,841	72,138
Income from operations	10,817	17,732	34,773	53,675
Other income, net	467	305	1,467	750
Income before provision for income taxes	11,284	18,037	36,240	54,425
Provision for income taxes	3,933	6,872	10,462	20,862
Net income	$ 7,351	$ 11,165	$ 25,778	$ 33,563
Net income per share:
Basic	$ 0.18	$ 0.27	$ 0.62	$ 0.80
Diluted	$ 0.17	$ 0.25	$ 0.58	$ 0.75
Weighted average shares used in computing net income per share:
Basic	41,454	42,919	41,412	42,063
Diluted	43,579	45,181	44,208	44,936