Leases (Details 3) - USD ($) $ in Millions	Apr. 30, 2024	Apr. 30, 2023
Lessee, Operating Lease, Liability, Payment, Due [Abstract]
2025	$ 47.9
2026	44.3
2027	25.6
2028	17.6
2029	16.4
2030 and beyond	60.5
Total undiscounted minimum lease payments	212.3
Less: Imputed interest	28.3
Lease liabilities	184.0	$ 110.4
Finance Lease, Liability, Payment, Due [Abstract]
2025	3.2
2026	2.9
2027	2.5
2028	2.3
2029	0.9
2030 and beyond	0.5
Total undiscounted minimum lease payments	12.3
Less: Imputed interest	1.2
Total finance lease liabilities	$ 11.1	$ 3.4