Gross Carrying Amount and Accumulated Amortization of Other Intangible Assets (Details) - USD ($)	Feb. 28, 2025	Aug. 31, 2024
Indefinite And Finite Lived Intangible Assets [Line Items]
Accumulated Amortization	$ 111,491,000	$ 111,246,000
Statement of Financial Position [Abstract]
Gross Carrying Value	158,173,000	147,304,000
Net Book Value	46,682,000	36,058,000
Goodwill	277,241,000	269,597,000
Industrial Tools & Services [Member] [Domain]
Statement of Financial Position [Abstract]
Goodwill	266,032,000	258,388,000
Other Operating Segment [Member]
Statement of Financial Position [Abstract]
Goodwill	11,209,000	11,209,000
Tradenames
Indefinite And Finite Lived Intangible Assets [Line Items]
Gross Carrying Value	24,457,000	25,042,000
Accumulated Amortization	0	0
Net Book Value	$ 24,457,000	25,042,000
Customer Relationships
Indefinite And Finite Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (Years)	10 years
Gross Carrying Value	$ 110,568,000	109,582,000
Accumulated Amortization	99,387,000	99,530,000
Net Book Value	$ 11,181,000	10,052,000
Patents
Indefinite And Finite Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (Years)	13 years
Gross Carrying Value	$ 9,738,000	9,916,000
Accumulated Amortization	9,279,000	9,408,000
Net Book Value	$ 459,000	508,000
Developed Technology
Indefinite And Finite Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (Years)	3 years
Gross Carrying Value	$ 4,278,000	2,764,000
Accumulated Amortization	2,444,000	2,308,000
Net Book Value	$ 1,834,000	456,000
Technology-Based Intangible Assets
Indefinite And Finite Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (Years)	14 years
Gross Carrying Value	$ 9,132,000	0
Accumulated Amortization	381,000	0
Net Book Value	$ 8,751,000	$ 0