v3.26.1
Valuation and Qualifying Accounts (Details) - Allowance for Credit Losses [Member] - USD ($)
$ in Millions
 12 Months Ended
May 31, 2026
May 31, 2025
May 31, 2024
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance as of beginning of fiscal year $ 26.0 $ 21.3 $ 20.5
Additions charged to expenses 38.1 24.2 19.8
Costs and deductions [1] 23.7 19.5 19.0
Balance as of end of fiscal year $ 40.4 $ 26.0 $ 21.3
[1] Uncollectible amounts written off, net of recoveries, and other adjustments.