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Debt and Financing Arrangements (Details Textual)
$ in Millions
3 Months Ended
Jul. 31, 2023
USD ($)
Bank
Jul. 31, 2022
USD ($)
Apr. 30, 2023
USD ($)
Debt and Financing Arrangements (Textual) [Abstract]      
Interest paid $ 8.4 $ 9.4  
Commercial Paper [Member]      
Debt and Financing Arrangements (Textual) [Abstract]      
Commercial paper, borrowing capacity 2,000.0    
Short-term borrowings 0.0   $ 0.0
Revolving Credit Facility [Member]      
Debt and Financing Arrangements (Textual) [Abstract]      
Revolving credit facility maximum borrowing capacity $ 2,000.0    
Number of banks | Bank 11    
Outstanding balance under revolving credit facility $ 0.0   $ 0.0