v3.26.1
Debt and Financing Arrangements (Details Textual)
$ in Millions
3 Months Ended 12 Months Ended
Jul. 31, 2026
USD ($)
Bank
Jul. 31, 2025
USD ($)
Apr. 30, 2026
USD ($)
Mar. 31, 2025
USD ($)
Debt and Financing Arrangements (Textual) [Abstract]        
Debt instrument face amount $ 6,603.2   $ 6,603.2  
Number of banks | Bank 10      
Short-term borrowings $ 193.5   420.9  
Interest paid 123.8 $ 137.4    
Commercial Paper [Member]        
Debt and Financing Arrangements (Textual) [Abstract]        
Commercial paper, borrowing capacity 2,000.0      
Short-term borrowings $ 193.5   $ 421.0  
Short-term Debt, Weighted Average Interest Rate, at Point in Time 4.00%   4.03%  
Revolving Credit Facility        
Debt and Financing Arrangements (Textual) [Abstract]        
Revolving credit facility maximum borrowing capacity $ 2,000.0      
Outstanding balance under revolving credit facility $ 0.0   $ 0.0  
Term Loan Credit Agreement Due March 5, 2027        
Debt and Financing Arrangements (Textual) [Abstract]        
Debt instrument face amount       $ 650.0
Long-Term Debt, Percentage Bearing Variable Interest, Percentage Rate 4.82%      
Repayments of Debt     $ 500.0  
Senior Notes Due Period Ten [Member]        
Debt and Financing Arrangements (Textual) [Abstract]        
Debt instrument face amount       $ 1,000.0
Debt Instrument, Interest Rate, Stated Percentage       3.50%