Share-Based and Other Compensation - Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended	12 Months Ended		13 Months Ended
	May 31, 2022	Aug. 25, 2021	Aug. 26, 2020	May 31, 2022
Shares Under Fixed Options
Beginning balance (in shares)	401,690	860,501
Granted (in shares)		0
Exercised (in shares)	(233,399)	(138,289)		(233,399)
Canceled (in shares)		0
Forfeited / Cancelled (in shares)	(163,627)	(301,991)
Expired (in shares)	(4,664)	(18,531)
Ending balance (in shares)	0	401,690	860,501	0
Exercisable (in shares)	0			0
Weighted- Average Exercise Price
Beginning balance (in dollars per share)	$ 4.09	$ 4.07
Granted (in dollars per share)		0.00
Exercised (in dollars per share)	1.64	2.82
Cancelled (in dollars per share)		0.00
Forfeited / Cancelled (in dollars per share)	4.48	4.52
Expired (in dollars per share)	4.42	5.37
Ending balance (in dollars per share)	0.00	$ 4.09	$ 4.07	$ 0.00
Exercisable, Weighted- Average Exercise Price (in dollars per share)	$ 0.00			$ 0.00
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Weighted-Average Remaining Contractual Term, Outstanding		4 years 2 months 12 days	5 years
Aggregate Intrinsic Value	$ 0	$ 0	$ 0	$ 0
Aggregate Intrinsic Value, Exercised	26	$ 115
Aggregate Intrinsic Value, Exercisable	$ 0			$ 0