Goodwill and Other Intangible Assets (Details 1) - USD ($) $ in Millions	Jan. 31, 2025	Apr. 30, 2024
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 4,895.9	$ 5,072.8
Accumulated Amortization, Impairment Charges And Foreign Currency Exchange Expense For Finite Lived Assets	2,324.1	2,166.5
Finite-Lived Intangible Assets, Net	2,571.8	2,906.3
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Intangible Assets, Gross (Excluding Goodwill)	9,267.9	9,645.5
Total Other Intangible Assets Accumulated Amortization Impairment Charges Foreign Currency Exchange	2,756.8	2,390.1
Intangible Assets, Net (Excluding Goodwill)	6,511.1	7,255.4
Trademarks
Indefinite-Lived Intangible Assets [Line Items]
TrademarksIndefinite-Lived Intangible Assets (Excluding Goodwill), Gross	4,372.0	4,572.7
Accumulated Amortization, Impairment Charges And Foreign Currency Exchange Expense For Indefinite Lived Assets	432.7	223.6
Indefinite-Lived Intangible Assets (Excluding Goodwill)	3,939.3	4,349.1
Customer and contractual relationships
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	4,596.5	4,766.7
Accumulated Amortization, Impairment Charges And Foreign Currency Exchange Expense For Finite Lived Assets	2,048.3	1,894.9
Finite-Lived Intangible Assets, Net	2,548.2	2,871.8
Patented Technology
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	163.0	163.0
Accumulated Amortization, Impairment Charges And Foreign Currency Exchange Expense For Finite Lived Assets	161.0	160.8
Finite-Lived Intangible Assets, Net	2.0	2.2
Trademarks
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	136.4	143.1
Accumulated Amortization, Impairment Charges And Foreign Currency Exchange Expense For Finite Lived Assets	114.8	110.8
Finite-Lived Intangible Assets, Net	$ 21.6	$ 32.3