Stock-based Compensation and Stockholders' Equity - Stock Option Activity Summary (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Options Outstanding
Balance at beginning of period (in shares)	7,374,635	8,301,138	8,375,659
Granted (in shares)	273,260	434,320	489,705
Exercised (in shares)	(1,812,000)		(267,970)
Forfeited (in shares)	(456,127)	(1,360,823)	(296,256)
Balance at end of period (in shares)	5,379,768	7,374,635	8,301,138
Options vested and exercisable (in shares)	4,723,734
Weighted Average Exercise Price per Share
Balance at beginning of period (in dollars per share)	$ 18.02	$ 16.50	$ 15.88
Granted (in dollars per share)	19.61	18.58	23.58
Exercised (in dollars per share)	15.74		11.36
Forfeited (in dollars per share)	11.97	8.94	15.36
Balance at end of period (in dollars per share)	19.38	$ 18.02	$ 16.50
Options vested and exercisable (in dollars per share)	$ 19.25
Weighted Average Remaining Contractual Term and Aggregate Intrinsic Value
Weighted average remaining contractual term, options outstanding (in years)	4 years 25 days
Weighted average remaining contractual term, options vested and exercisable (in years)	3 years 5 months 15 days
Aggregate intrinsic value, options outstanding	$ 50,245
Aggregate intrinsic value, options vested and exercisable	44,932
Total pretax intrinsic value of options exercised	$ 19,300	$ 0	$ 4,000