Annual report pursuant to Section 13 and 15(d)

Goodwill and Intangible Assets, Net of Accumulated Amortization (Change in Goodwill) (Details)

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Goodwill and Intangible Assets, Net of Accumulated Amortization (Change in Goodwill) (Details) - USD ($)
$ in Millions
12 Months Ended
May 31, 2023
May 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract]    
Goodwill Balance, beginning of fiscal year $ 1,831.5 $ 1,820.7
Changes during the period:    
Goodwill acquired 2.5 27.7
Currency translation adjustment (0.0) (16.9)
Goodwill Balance, end of fiscal year $ 1,834.0 $ 1,831.5