Rollforward of Accrued Product Warranty Reserve (Details) - USD ($) $ in Thousands	9 Months Ended
	May 31, 2023	May 31, 2022
Movement in Standard Product Warranty Accrual [Roll Forward]
Beginning balance	$ 1,140	$ 1,300
Provision for warranties	546	727
Warranty Payments and costs incurred	(557)	(629)
Impact of changes in foreign currency rates	23	(81)
Ending balance	$ 1,152	$ 1,317