Gross Carrying Value and Accumulated Amortization of Intangible Assets (Details) - USD ($) $ in Thousands	Aug. 31, 2026	Aug. 31, 2025
Indefinite And Finite Lived Intangible Assets [Line Items]
Finite-Lived Accumulated Amortization	$ 124,400	$ 118,500
Other intangible assets, net	43,000	46,900
Intangible assets, gross	167,400	165,400
Trade Names
Indefinite And Finite Lived Intangible Assets [Line Items]
Intangible Asset, Finite-Lived, before Accumulated Amortization	21,600	21,600
Finite-Lived Accumulated Amortization	0	0
Net Book Value	21,600	21,600
Customer Relationships
Indefinite And Finite Lived Intangible Assets [Line Items]
Intangible Asset, Finite-Lived, before Accumulated Amortization	115,200	115,000
Finite-Lived Accumulated Amortization	106,300	104,100
Net Book Value	$ 8,900	10,900
Weighted Average Amortization Period	14 years
Patents
Indefinite And Finite Lived Intangible Assets [Line Items]
Intangible Asset, Finite-Lived, before Accumulated Amortization	$ 11,200	11,200
Finite-Lived Accumulated Amortization	10,000	9,800
Net Book Value	$ 1,200	1,400
Weighted Average Amortization Period	12 years
Trademarks and Tradenames
Indefinite And Finite Lived Intangible Assets [Line Items]
Intangible Asset, Finite-Lived, before Accumulated Amortization	$ 7,500	7,300
Finite-Lived Accumulated Amortization	5,100	3,100
Net Book Value	$ 2,400	4,200
Weighted Average Amortization Period	7 years
Technology-Based Intangible Assets
Indefinite And Finite Lived Intangible Assets [Line Items]
Intangible Asset, Finite-Lived, before Accumulated Amortization	$ 11,900	10,300
Finite-Lived Accumulated Amortization	3,000	1,500
Net Book Value	$ 8,900	$ 8,800
Weighted Average Amortization Period	7 years