Stock Incentive Plan and Employee Stock Purchase Plan - ESPP (Details) - ESPP	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Weighted average assumptions used for determining fair value of options
Risk-free interest rate, Minimum (as a percent)	0.04%	0.17%	2.11%
Risk-free interest rate, Maximum (as a percent)	0.10%	1.60%	2.72%
Expected volatility, Minimum (as a percent)	36.10%	45.46%	30.90%
Expected volatility, Maximum (as a percent)	65.58%	75.21%	60.00%
Minimum
Weighted average assumptions used for determining fair value of options
Expected term (in years)	6 months	6 months	6 months
Maximum
Weighted average assumptions used for determining fair value of options
Expected term (in years)	1 year	1 year	1 year