Income Taxes (Details 1) - USD ($) $ in Millions	12 Months Ended
Apr. 30, 2023	Apr. 30, 2022	Apr. 30, 2021
Current:
Federal	$ 217.9	$ 201.8	$ 251.3
Foreign	5.4	9.2	11.7
State and local	49.5	39.0	46.7
Deferred:
Federal	(158.5)	(48.1)	(3.3)
Foreign	(1.0)	0.3	(7.9)
State and local	(31.2)	9.9	(2.9)
Total income tax expense	$ 82.1	$ 212.1	$ 295.6

Amount of current federal tax expense (benefit) attributable to income (loss) from continuing operations. Includes, but is not limited to, current national tax expense (benefit) for non-US (United States of America) jurisdiction.

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