Basis of Presentation Basis of Presentation (Details) $ in Thousands	3 Months Ended		9 Months Ended
	May 31, 2026 USD ($)	May 31, 2025 USD ($)	May 31, 2026 USD ($) Segment	May 31, 2025 USD ($)	Aug. 31, 2025 USD ($)	Aug. 31, 2024 USD ($)
Condensed Statement of Income Captions [Line Items]
AOCI, Cash Flow Hedge, Cumulative Gain (Loss), after Tax	$ (292)		$ (292)		$ (18)
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax	88,738		88,738		89,061
Standard and Extended Product Warranty Accrual	947	$ 905	947	$ 905	1,089	$ 534
Standard and Extended Product Warranty Accrual, Increase for Warranties Issued			487	802
Warranty Payments and costs incurred			(634)	(849)
Standard and Extended Product Warranty Accrual, Increase from Business Combination			0	$ 381
Extended Product Warranty Accrual, Foreign Currency Translation Gain (Loss)	5	$ 37
AOCI - Pension and other postretirement benefit plans, net of tax	14,281		14,281		15,091
Accumulated Other Comprehensive Income (Loss), Net of Tax	(102,727)		$ (102,727)		$ (104,134)
Number of Reportable Segments | Segment			1
Reduction In Cost of Goods	7,300
Benefit to Cost of Products Sold	$ 5,700