Stock-based Compensation - RSU and PRSU Activity (Details)	9 Months Ended
	Mar. 31, 2020 $ / shares shares
Restricted stock units (RSUs)
Time-Based RSUs Outstanding
Balance at beginning of period (in shares)	1,873,102
Granted (in shares)	841,880
Released (in shares)	(669,721)
Forfeited (in shares)	(126,039)
Balance at end of period (in shares)	1,919,222
Weighted Average Grant-Date Fair Value per Share
Balance at beginning of period (in dollars per share) | $ / shares	$ 20.25
Granted (in dollars per share) | $ / shares	20.24
Released (in dollars per share) | $ / shares	20.79
Forfeited (in dollars per share) | $ / shares	18.88
Balance at end of period (in dollars per share) | $ / shares	$ 20.14
Performance-Based Restricted Stock Units (PRSUs)
Time-Based RSUs Outstanding
Balance at beginning of period (in shares)	120,000
Granted (in shares)	30,000
Released (in shares)	(102,000)
Forfeited (in shares)	0
Balance at end of period (in shares)	48,000
Weighted Average Grant-Date Fair Value per Share
Balance at beginning of period (in dollars per share) | $ / shares	$ 27.10
Balance at end of period (in dollars per share) | $ / shares	$ 22.89