Stock-based Compensation and Stockholders' Equity - Determining Fair Value (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free interest rate, minimum	1.37%	1.35%	1.53%
Risk-free interest rate, maximum	1.57%	1.76%	1.90%
Dividend yield (as a percent)	0.00%	0.00%	0.00%
Volatility, minimum	46.65%	46.93%	43.48%
Volatility, maximum	50.89%	49.31%	50.07%
Weighted average fair value (in dollars per share)	$ 12.07	$ 12.72	$ 7.23
Stock-based compensation expense before taxes	$ 16,131	$ 13,699	$ 11,062
Income tax impact	(4,503)	(3,791)	(2,426)
Stock-based compensation expense, net	11,628	9,908	8,636
Excess tax benefits accounted in additional paid-in capital	3,727	11,157	7,041
Excess tax benefit from financing activities	2,855	$ 8,089	$ 2,992
Unrecognized compensation cost related to non-vested stock-based awards	$ 37,533
Unrecognized compensation cost related to non-vested stock based awards, period for recognition	2 years 3 months 15 days
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected life	5 years 3 months 22 days	5 years 4 months 25 days	5 years 5 months 27 days
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected life	5 years 3 months 29 days	5 years 5 months 10 days	5 years 6 months 30 days
Cost of Sales
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense before taxes	$ 1,098	$ 901	$ 941
Research and Development Expense
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense before taxes	10,178	8,643	6,783
Sales and Marketing Expense
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense before taxes	1,841	1,553	1,260
General and Administrative Expense
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense before taxes	$ 3,014	$ 2,602	$ 2,078