Income Taxes - Summary of Reconciliation of Statutory Federal Income Tax Rate (Details)	12 Months Ended
	Aug. 31, 2024	Aug. 31, 2023	Aug. 31, 2022
Income Tax Disclosure [Abstract]
Tax at federal statutory rate	21.00%	21.00%	21.00%
Employer tip credit	16.90%	(121.30%)	125.80%
Stock-based compensation	4.30%	2.60%	29.70%
Change in valuation allowance	(42.40%)	96.80%	(186.10%)
Other items	(0.70%)	3.60%	3.70%
State tax, net of federal benefit	(1.00%)	10.70%	(4.80%)
Effective tax rate	(1.90%)	13.40%	(10.70%)