Net Income per Share - Calculation of Basic and Diluted Net Income per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		12 Months Ended
		Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Basic and Diluted:
Net income		$ 18,102	$ 62,480	$ 15,930
Basic:
Weighted-average shares of common stock used in computing basic net income per share		51,529	49,581	46,417
Diluted:
Weighted-average shares of common stock used in computing basic net income per share		51,529	49,581	46,417
Weighted average effect of dilutive securities:
Weighted average shares of common stock used in computing diluted net income per share		53,387	52,754	49,872
Net income per share:
Basic		$ 0.35	$ 1.26	$ 0.34
Diluted		$ 0.34	$ 1.18	$ 0.32
Securities excluded from weighted-average shares used in computing diluted net income per share because the effect would have been anti-dilutive:	[1]	1,104	118	1,129
Stock options [Member]
Weighted average effect of dilutive securities:
Weighted average effect of dilutive securities		1,054	1,724	1,334
Restricted stock units [Member]
Weighted average effect of dilutive securities:
Weighted average effect of dilutive securities		804	1,449	2,121

[1] These weighted shares relate to anti-dilutive stock options and restricted stock units as calculated using the treasury stock method and could be dilutive in the future.