Derivative Financial Instruments (Details 2) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2023	Jan. 31, 2022
Gains and losses recognized in cost of products sold on derivatives not designated as qualified hedging instruments
Total derivative gains (losses) recognized in costs of products sold	$ 15.4	$ 14.5	$ (8.2)	$ 42.5
Commodity contracts
Gains and losses recognized in cost of products sold on derivatives not designated as qualified hedging instruments
Total derivative gains (losses) recognized in costs of products sold	17.3	12.4	(10.9)	39.1
Foreign currency exchange contracts
Gains and losses recognized in cost of products sold on derivatives not designated as qualified hedging instruments
Total derivative gains (losses) recognized in costs of products sold	$ (1.9)	$ 2.1	$ 2.7	$ 3.4