Quarterly report [Sections 13 or 15(d)]

Description of Business, Basis of Presentation, and Significant Accounting Policies (Summary of Accounts Receivable, Net of Allowance for Credit Losses) (Details)

v3.25.4
Description of Business, Basis of Presentation, and Significant Accounting Policies (Summary of Accounts Receivable, Net of Allowance for Credit Losses) (Details) - USD ($)
$ in Millions
Nov. 30, 2025
May 31, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total accounts receivable, gross $ 1,382.5 $ 1,356.5
Less: Allowance for credit losses 27.0 26.0
Accounts receivable, net of allowance for credit losses 1,355.5 1,330.5
Trade Receivables [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total accounts receivable, gross 226.8 205.4
Purchased Receivables [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total accounts receivable, gross $ 1,155.7 $ 1,151.1