Quarterly report pursuant to Section 13 or 15(d)

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

v3.22.2
Gross Carrying Amount and Accumulated Amortization of Other Intangible Assets (Details) - USD ($)
$ in Thousands
 9 Months Ended
May 31, 2022
Aug. 31, 2021
Indefinite And Finite Lived Intangible Assets [Line Items]    
Accumulated Amortization $ 133,577 $ 130,542
Gross Carrying Value 178,740 185,087
Net Book Value 45,163 54,545
Tradenames    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Gross Carrying Value 23,276 24,835
Accumulated Amortization 0 0
Net Book Value $ 23,276 24,835
Customer relationships    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Weighted Average Amortization Period (Years) 14 years  
Gross Carrying Value $ 138,234 142,453
Accumulated Amortization 117,850 114,463
Net Book Value $ 20,384 27,990
Patents    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Weighted Average Amortization Period (Years) 11 years  
Gross Carrying Value $ 14,026 14,492
Accumulated Amortization 13,353 13,688
Net Book Value $ 673 804
Trademarks and tradenames    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Weighted Average Amortization Period (Years) 12 years  
Gross Carrying Value $ 3,204 3,307
Accumulated Amortization 2,374 2,391
Net Book Value $ 830 $ 916