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)

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Description of Business, Basis of Presentation, and Significant Accounting Policies (Summary of Accounts Receivable, Net of Allowance for Credit Losses) (Details) - USD ($)
$ in Millions
Aug. 31, 2026
May 31, 2026
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total accounts receivable, gross $ 1,658.7 $ 1,548.0
Less: Allowance for credit losses 42.8 40.4
Accounts receivable, net of allowance for credit losses 1,615.9 1,507.6
Trade Receivables [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total accounts receivable, gross 289.6 238.5
Purchased Receivables [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total accounts receivable, gross $ 1,369.1 $ 1,309.5