Annual report [Section 13 and 15(d), not S-K Item 405]

Goodwill and Intangible Assets, Net of Accumulated Amortization (Components of Intangible Assets, at Cost) (Details)

v3.26.1
Goodwill and Intangible Assets, Net of Accumulated Amortization (Components of Intangible Assets, at Cost) (Details) - USD ($)
$ in Millions
May 31, 2026
May 31, 2025
Intangible Assets [Line Items]    
Total intangible assets, gross $ 2,559.0 $ 2,523.1
Less: Accumulated amortization 875.0 575.8
Intangible assets, net of accumulated amortization 1,684.0 1,947.3
Customer Lists [Member]    
Intangible Assets [Line Items]    
Total intangible assets, gross 1,835.5 1,797.9
Acquired Developed Software [Member]    
Intangible Assets [Line Items]    
Total intangible assets, gross 408.5 410.5
Other Intangible Assets [Member]    
Intangible Assets [Line Items]    
Total intangible assets, gross $ 315.0 $ 314.7