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Restructuring, Severance and Related Charges (Additional Information) (Details) - USD ($)
$ in Thousands
Feb. 28, 2021
Aug. 31, 2020
Reduction of Worldwide Workforce | Employee severance and benefit costs    
Restructuring Cost and Reserve [Line Items]    
Restructuring liability $ 18,300  
2020 Restructuring Plan    
Restructuring Cost and Reserve [Line Items]    
Total pre-tax restructuring and other related costs expected to be recognized 85,000  
Restructuring liability 5,343 $ 10,885
2020 Restructuring Plan | Employee severance and benefit costs    
Restructuring Cost and Reserve [Line Items]    
Restructuring liability $ 4,061 $ 8,143