Quarterly report pursuant to Section 13 or 15(d)

Borrowings - Credit Agreements (Details)

v3.21.2
Borrowings - Credit Agreements (Details) - USD ($)
6 Months Ended
Aug. 31, 2021
Aug. 31, 2020
Jun. 01, 2021
May 31, 2021
Feb. 28, 2021
Schedule of Debt [Line Items]          
Short-term borrowings $ 486,000,000.0       $ 0
Partial prepayment 1,357,100,000 $ 1,536,400,000      
2019 Five-Year Term Facility | Unsecured debt          
Schedule of Debt [Line Items]          
Debt instrument, face amount 491,300,000        
Unsecured debt $ 300,000,000.0        
Interest rate 0.70%        
Partial prepayment $ 142,100,000        
2019 Five-Year Term Facility | Unsecured debt | LIBOR          
Schedule of Debt [Line Items]          
LIBOR margin 0.63%   0.63% 0.88%  
Revolving credit facility          
Schedule of Debt [Line Items]          
Debt instrument, face amount $ 2,000,000,000        
Short-term borrowings $ 0        
Interest rate 0.00%        
Remaining borrowing capacity $ 1,501,800,000        
Revolving credit facility | LIBOR          
Schedule of Debt [Line Items]          
LIBOR margin 0.00%        
Letters of credit          
Schedule of Debt [Line Items]          
Debt instrument, face amount $ 200,000,000        
Outstanding letters of credit $ 12,200,000