Summary of Significant Accounting Policies (Details 5) $ / shares in Units, $ in Thousands		1 Months Ended		12 Months Ended
	Nov. 11, 2014 shares	Jan. 31, 2015 item shares	Nov. 30, 2012 item shares	Jun. 30, 2015 USD ($) item $ / shares shares	Jun. 30, 2014 USD ($) $ / shares shares	Jun. 30, 2013 USD ($) $ / shares shares
Number of Stock Options
Granted (in shares)	1,676,599
Summary of option activity for options vested
Cash received for exercise of stock options | $				$ 4,429	$ 9,136	$ 4,026
2006 Plan
Stock-Based Compensation
Number of employee share-based compensation plans | item				1
Additional number of shares authorized for issuance	5,500,000
Common stock authorized for issuance (in shares)	17,500,000
Additional disclosure for options
Stock compensation expense | $				$ 15,300	$ 15,600	$ 12,400
Estimated fair value of unvested employee awards, net of estimated forfeitures | $				$ 19,500
Weighted average vesting period of unvested employee awards				2 years
2006 Plan | Stock options
Weighted-average assumptions used to estimate the fair value of each stock option
Number of group of awards for which expected term is calculated for and applied | item				1
Dividend (as a percent)				0.00%	0.00%	0.00%
Volatility (as a percent)				60.86%	60.44%	60.44%
Risk-free interest rate (as a percent)				1.84%	1.74%	0.87%
Expected life				6 years 3 months 18 days	6 years 3 months 18 days	6 years 3 months 18 days
Weighted-average grant date fair values of options granted (in dollars per share) | $ / shares				$ 6.04	$ 10.50	$ 8.60
Number of Stock Options
Outstanding at the beginning of the period (in shares)				8,449,000
Granted (in shares)				2,743,000
Exercised (in shares)				(651,000)
Forfeited/Canceled (in shares)				(852,000)
Outstanding at the end of the period (in shares)				9,689,000	8,449,000
Vested or unvested and expected to vest at the end of the period (in shares)				9,432,000
Exercisable at the end of the period (in shares)				5,380,000	4,637,000	4,202,000
Weighted-Average Exercise Price
Outstanding at the beginning of the period (in dollars per share) | $ / shares				$ 12.93
Granted (in dollars per share) | $ / shares				10.38
Exercised (in dollars per share) | $ / shares				6.81
Forfeited/Canceled (in dollars per share) | $ / shares				14.15
Outstanding at the end of the period (in dollars per share) | $ / shares				12.49	$ 12.93
Vested or unvested and expected to vest at the end of the period (in dollars per share) | $ / shares				12.50
Exercisable at the end of the period (in dollars per share) | $ / shares				$ 11.89	$ 9.79	$ 7.97
Weighted-Average Remaining Life (in years)
Outstanding at the end of the period				6 years 9 months 11 days
Vested or unvested and expected to vest at the end of the period				6 years 8 months 19 days
Exercisable at the end of the period				5 years 3 months 22 days
Aggregate Intrinsic Value
Outstanding at the end of the period | $				$ 28,260
Vested or unvested and expected to vest at the end of the period | $				27,446
Exercisable at the end of the period | $				17,939
Summary of option activity for options vested
Total fair value of options vested | $				16,145	$ 12,535	$ 9,670
Total intrinsic value of options exercised | $				3,275	9,961	6,737
Cash received for exercise of stock options | $				$ 4,429	$ 9,136	$ 4,026
2006 Plan | Stock options | Maximum
Stock-Based Compensation
Vesting period				4 years
Exercise period				10 years
2006 Plan | Restricted stock | Officer
Stock-Based Compensation
Vesting period		4 years	4 years
Aggregate Intrinsic Value
Number of officers | item		2	2
Number of Restricted Stock
Unvested at the beginning of the period (in shares)				37,500,000
Awarded (in shares)		25,000	50,000	25,000,000
Vested (in shares)				(12,500,000)
Unvested at the end of the period (in shares)				50,000,000	37,500,000
Weighted-Average Exercise Price
Unvested at the beginning of the period (in dollars per share) | $ / shares				$ 11.93
Awarded (in dollars per share) | $ / shares				6.53
Vested (in dollars per share) | $ / shares				11.93
Unvested at the end of the period (in dollars per share) | $ / shares				$ 9.23	$ 11.93