Net Income Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Numerator:
Net income	$ 15,807	$ 10,646	$ 65,858	$ 48,208
Denominator:
Weighted-average shares outstanding (in shares)	51,526,000	49,988,000	50,591,000	49,845,000
Effect of dilutive securities (in shares)	2,167,000	1,570,000	1,808,000	1,712,000
Weighted-average diluted shares (in shares)	53,693,000	51,558,000	52,399,000	51,557,000
Basic net income per share (in dollars per share)	$ 0.31	$ 0.21	$ 1.30	$ 0.97
Diluted net income per share (in dollars per share)	$ 0.29	$ 0.21	$ 1.26	$ 0.94
Employee stock options and restricted stock units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive outstanding equity awards (in shares)	1,882,238	4,443,127	2,305,538	4,194,283