Other Current Liabilities (Schedule of Other Liabilities Current) (Details) - USD ($) $ in Thousands	Aug. 31, 2020	Aug. 31, 2019
Other Liabilities Disclosure [Abstract]
Compensation and benefits	$ 20,945	$ 13,960
Contract liabilities	17,296	14,763
Warranties	10,765	8,960
Operating lease liabilities	5,123
Tax related liabilities	3,726	1,469
Dealer related liabilities	3,664	3,246
Deferred revenue - lease	1,822	2,985
Accrued insurance	1,348	1,482
Accrued environmental liabilities	1,115	1,243
Other	6,842	4,380
Total other current liabilities	$ 72,646	$ 52,488