Annual report pursuant to Section 13 and 15(d)

Fair Value of Financial Instruments - Debt and Investments (Details)

v3.23.1
Fair Value of Financial Instruments - Debt and Investments (Details) - USD ($)
shares in Millions, $ in Millions
12 Months Ended
Feb. 28, 2023
Feb. 28, 2022
Feb. 28, 2021
Nov. 30, 2018
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]        
Payments to acquire investments $ 30.8 $ 36.6 $ 222.4  
Long-term debt, including current portion 11,296.0 10,093.5    
Carrying amount        
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]        
Long-term debt, including current portion 11,296.0 10,093.5    
Fair value        
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]        
Long-term debt, including current portion $ 10,236.0 $ 10,345.3    
Warrants | Tranche A Warrants        
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]        
Number of common shares to be acquired upon exercise of warrants       88.5
Warrants | Tranche B Warrants        
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]        
Number of common shares to be acquired upon exercise of warrants       38.4
Warrants | Tranche C Warrants        
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]        
Number of common shares to be acquired upon exercise of warrants       12.8