Income Taxes (Details 3) - USD ($) $ in Millions	Apr. 30, 2025	Apr. 30, 2024
Deferred tax liabilities:
Intangible assets	$ 1,454.4	$ 1,683.9
Property, plant, and equipment	275.5	276.9
Leases	24.3	33.8
Other	25.9	22.6
Total deferred tax liabilities	1,780.1	2,017.2
Deferred tax assets:
Post-employment and other employee benefits	62.1	69.1
Tax credit and loss carryforwards	35.5	27.7
Intangible assets	34.4	40.7
Hedging transactions	11.6	49.9
Leases	26.0	36.3
Other	95.5	82.3
Total deferred tax assets	265.1	306.0
Valuation allowance	(33.6)	(26.2)
Total deferred tax assets, less allowance	231.5	279.8
Net deferred tax liability	$ 1,548.6	$ 1,737.4