Shareholders' Equity - Share Repurchase Program (Details) - USD ($) $ in Millions	12 Months Ended		13 Months Ended
	Apr. 30, 2022	May 01, 2021	Apr. 30, 2022	Jun. 16, 2022	Mar. 31, 2021
Equity Class Of Treasury Stock [Line Items]
Shares purchased	1,425,190	167,949	1,593,139
Stock repurchase cost	$ 63.7	$ 7.5	$ 71.2
Remaining authorized repurchase amount	$ 28.8		$ 28.8
Subsequent Event
Equity Class Of Treasury Stock [Line Items]
Stock repurchase program, additional authorized amount				$ 100.0
Maximum
Equity Class Of Treasury Stock [Line Items]
Stock repurchase program, Authorized amount					$ 100.0