Accounting Policies (Tables)

12 Months Ended

Apr. 30, 2023

Accounting Policies [Abstract]

Schedule of share-based payments

The following table summarizes amounts related to share-based payments.

	Year Ended April 30,
	2023		2022		2021
Share-based compensation expense included in SD&A	$	25.6	$	23.7	$	28.3
Share-based compensation expense included in other special project costs	—		(1.4)		0.4
Total share-based compensation expense	$	25.6	$	22.3	$	28.7
Related income tax benefit	$	6.0	$	5.3	$	6.6