Summary of Significant Accounting Policies Property, Plant and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2026	Aug. 31, 2025	Aug. 31, 2024
Property, Plant, and Equipment [Line Items]
Land Buildings And Improvements	$ 27,500	$ 27,300
Machinery and Equipment, Gross	156,300	152,100
Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization	183,800	179,400
Accumulated Depreciation, Property, Plant, and Equipment	(129,400)	(126,100)
Property, plant & equipment, net	54,400	53,300
Depreciation Expense	$ 11,200	$ 10,100	$ 10,000