Basis of Presentation Basis of Presentation (Details) - USD ($)	3 Months Ended		6 Months Ended
	Feb. 28, 2025	Feb. 29, 2024	Feb. 28, 2025	Feb. 29, 2024	Aug. 31, 2024	Aug. 31, 2023
Condensed Statement of Income Captions [Line Items]
AOCI, Cash Flow Hedge, Cumulative Gain (Loss), after Tax	$ (22,000)		$ (22,000)		$ (4,000)
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax	114,317,000		114,317,000		99,215,000
Standard and Extended Product Warranty Accrual	890,000	$ 669,000	890,000	$ 669,000	534,000	$ 856,000
Standard and Extended Product Warranty Accrual, Increase for Warranties Issued			478,000	132,000
Warranty Payments and costs incurred			(485,000)	(318,000)
Standard and Extended Product Warranty Accrual, Additions from Business Acquisition			381,000	$ 0
Extended Product Warranty Accrual, Foreign Currency Translation Gain (Loss)	(18,000)	$ (1,000)
AOCI - Pension and other postretirement benefit plans, net of tax	16,606,000		16,606,000		17,187,000
Accumulated Other Comprehensive Income (Loss), Net of Tax	130,901,000		130,901,000		116,398,000
AOCI Attributable to Parent [Member]
Condensed Statement of Income Captions [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ 130,901,000		$ 130,901,000		$ 116,398,000