Revenue Recognition Contract with Customer, Asset and Liability (Details) - USD ($) $ in Thousands	3 Months Ended
	Feb. 28, 2022	Aug. 31, 2021
Revenue from Contract with Customer [Abstract]
Accounts Receivable, Allowance for Credit Loss, Current	$ 7,400	$ 4,200
Accounts receivable, net	113,460	103,233
Contract assets	2,965	8,551
Contract liabilities	3,653	$ 3,410
Revenue, remaining performance obligation, within next twelve months	$ 3,700
Percentage of accounts receivable	10.20%
Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease)	$ 2,400