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Derivative Financial Instruments and Hedging Activities (Additional Information) (Details) - USD ($)
Feb. 28, 2021
Aug. 31, 2020
3.000% Senior Notes | Senior Notes    
Derivative [Line Items]    
Senior notes, stated interest rate (as a percent) 3.00%  
Forward contracts | Cash flow hedging    
Derivative [Line Items]    
Aggregate notional amount $ 3,200,000,000 $ 2,900,000,000
Forward foreign exchange contracts | Forward contracts    
Derivative [Line Items]    
Aggregate notional amount 658,100,000 $ 355,200,000
Interest rate swaps | Cash flow hedging | 3.000% Senior Notes    
Derivative [Line Items]    
Aggregate notional amount $ 200,000,000.0