Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation Basis of Presentation (Details)

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Basis of Presentation Basis of Presentation (Details) - USD ($)
$ in Thousands
Nov. 30, 2021
Aug. 31, 2021
Nov. 30, 2020
Aug. 31, 2020
Condensed Statement of Income Captions [Line Items]        
Foreign currency translation adjustments $ 80,366 $ 69,986    
Pension and other postretirement benefit plans, net of tax 22,662 22,998    
Total shareholders’ equity (409,806) (412,198) $ (367,946) $ (359,226)
AOCI Attributable to Parent [Member]        
Condensed Statement of Income Captions [Line Items]        
Total shareholders’ equity $ 103,028 $ 92,984 $ 99,095 $ 100,724