Income Taxes (Schedule of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands	Aug. 31, 2023	Aug. 31, 2022
Income Tax Disclosure [Abstract]
Deferred Tax Assets, Accrued expenses	$ 11,467	$ 12,569
Deferred Tax Assets, Warranty	3,433	3,336
Deferred Tax Assets, Defined benefit pension plan	1,253	1,391
Deferred Tax Assets, Inventory	2,749	2,544
Deferred Tax Assets, Share-based compensation	1,722	1,474
Deferred Tax Assets, Vacation	935	773
Deferred Tax Assets, Net operating loss and capital loss carryforwards	189	1,208
Deferred Tax Assets, Deferred revenue	1,379	1,422
Deferred Tax Assets, Allowance for doubtful accounts	1,338	1,122
Deferred Tax Assets, Lease liabilities	3,656	3,868
Deferred Tax Assets, Capitalized research and development expenditures	2,009
Deferred Tax Assets, Other	1,490	878
Gross deferred tax assets	31,620	30,585
Deferred Tax Assets, Valuation allowance	(491)	(1,203)
Net deferred tax assets	31,129	29,382
Deferred Tax Liabilities, Intangible assets	(5,085)	(5,389)
Deferred Tax Liabilities, Property, plant and equipment	(12,718)	(11,441)
Deferred Tax Liabilities, Lease assets	(2,844)	(2,999)
Deferred Tax Liabilities, Derivative contract	(286)	(1,294)
Total deferred tax liabilities	(20,933)	(21,123)
Net deferred tax assets	$ 10,196	$ 8,259