Income Taxes - Summary of Reserve for Unrecognized Tax Benefits, Excluding Interest and Penalties (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2023	Aug. 31, 2022	Aug. 31, 2021
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Unrecognized tax benefits, as of the beginning of the year	$ 10,326	$ 8,320	$ 7,456
Additions for tax positions of prior years	281	1,055
Reductions for tax positions of prior years			(574)
Additions for tax positions of the current year	1,223	974	1,486
Reductions for lapse of statutes		(23)	(48)
Unrecognized tax benefits, as of the end of the year	$ 11,830	$ 10,326	$ 8,320