Net Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Anti-dilutive securities excluded from diluted per share calculation
Anti-dilutive securities excluded	14	18	19	704
Numerator:
Net income	$ 9,642	$ 5,467	$ 22,102	$ 19,373
Weighted-average shares used in computing net income per share:
Basic (in shares)	54,305	53,542	54,160	53,415
Weighted-average effect of potentially dilutive shares:
Employee stock options, restricted stock units, market share units and employee stock purchase plan shares	2,038	2,284	1,962	2,277
Diluted (in shares)	56,343	55,826	56,122	55,692
Net income per share:
Basic (in dollars per share)	$ 0.18	$ 0.10	$ 0.41	$ 0.36
Diluted (in dollars per share)	$ 0.17	$ 0.10	$ 0.39	$ 0.35
Restricted stock units
Anti-dilutive securities excluded from diluted per share calculation
Anti-dilutive securities excluded	14	3	19	687
Employee stock purchase plan shares
Anti-dilutive securities excluded from diluted per share calculation
Anti-dilutive securities excluded		15		17