Net Income Per Share - Calculations of Basic and Diluted Net Income per Share and Basic and Dilutive Weighted Average Shares Outstanding (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Net income	$ 32,711	$ 53,514
Weighted average shares outstanding (in shares)	67,729	68,441
Dilutive impact from:
Employee equity awards (in shares)	570	876
Dilutive weighted average shares outstanding (in shares)	68,299	69,317
Income per share
Basic (in dollars per share)	$ 0.48	$ 0.78
Dilutive (in dollars per share)	$ 0.48	$ 0.77