Revenue from Contracts with Customers Contract with Customer, Asset and Liability (Details) - USD ($) $ in Thousands	Aug. 31, 2021	Aug. 31, 2020
Revenue from Contract with Customer [Abstract]
Accounts receivable, net	$ 103,233	$ 84,170
Contract with Customer, Asset, Net	8,551	6,145
Contract with Customer, Liability	3,410	$ 2,145
Revenue, Remaining Performance Obligation, Amount	$ 3,400