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
 3 Months Ended
Nov. 30, 2022
Aug. 31, 2022
Indefinite And Finite Lived Intangible Assets [Line Items]    
Accumulated Amortization $ 135,225 $ 132,708
Gross Carrying Value 176,256 174,215
Net Book Value 41,031 41,507
Tradenames    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Gross Carrying Value 22,722 22,274
Accumulated Amortization 0 0
Net Book Value $ 22,722 22,274
Customer relationships    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Weighted Average Amortization Period (Years) 14 years  
Gross Carrying Value $ 136,521 135,101
Accumulated Amortization 119,590 117,275
Net Book Value $ 16,931 17,826
Patents    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Weighted Average Amortization Period (Years) 11 years  
Gross Carrying Value $ 13,849 13,708
Accumulated Amortization 13,248 13,104
Net Book Value $ 601 604
Trademarks and tradenames    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Weighted Average Amortization Period (Years) 12 years  
Gross Carrying Value $ 3,164 3,132
Accumulated Amortization 2,387 2,329
Net Book Value $ 777 $ 803