Quarterly report pursuant to Section 13 or 15(d)

Gross Carrying Amount and Accumulated Amortization of Other Intangible Assets (Details)

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Gross Carrying Amount and Accumulated Amortization of Other Intangible Assets (Details) - USD ($)
$ in Thousands
6 Months Ended
Feb. 28, 2023
Aug. 31, 2022
Indefinite And Finite Lived Intangible Assets [Line Items]    
Accumulated Amortization $ 136,685 $ 132,708
Gross Carrying Value 176,401 174,215
Net Book Value 39,716 41,507
Tradenames    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Gross Carrying Value 22,708 22,274
Accumulated Amortization 0 0
Net Book Value $ 22,708 22,274
Customer relationships    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Weighted Average Amortization Period (Years) 14 years  
Gross Carrying Value $ 136,693 135,101
Accumulated Amortization 121,013 117,275
Net Book Value $ 15,680 17,826
Patents    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Weighted Average Amortization Period (Years) 11 years  
Gross Carrying Value $ 13,838 13,708
Accumulated Amortization 13,262 13,104
Net Book Value $ 576 604
Trademarks and tradenames    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Weighted Average Amortization Period (Years) 12 years  
Gross Carrying Value $ 3,162 3,132
Accumulated Amortization 2,410 2,329
Net Book Value $ 752 $ 803