Other Current Liabilities (Schedule of Other Liabilities Current) (Details) - USD ($) $ in Thousands	May 31, 2022	Aug. 31, 2021	May 31, 2021
Other Liabilities Disclosure [Abstract]
Contract liabilities	$ 33,833	$ 36,060	$ 34,072
Compensation and benefits	18,243	21,623	19,558
Warranties	13,477	12,736	13,607
Tax related liabilities	7,730	1,072	3,547
Dealer related liabilities	7,046	3,971	3,902
Accrued environmental liabilities	4,934	965	971
Operating lease liabilities	3,329	3,991	3,955
Accrued insurance	1,274	1,123	1,068
Deferred revenue - lease	1,022	3,456	4,206
Other	10,355	7,817	9,703
Total other current liabilities	$ 101,243	$ 92,814	$ 94,589