Shareholders' Equity - Stock-based Compensation Expense (Details) - 2014 Incentive Plan - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 02, 2024	Oct. 28, 2023	Nov. 02, 2024	Oct. 28, 2023
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense	$ 1.5	$ 1.3	$ 3.7	$ 3.9
RSUs | Management
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense	1.3	1.3	2.0	2.3
RSUs | Deferred Non-Employee Director Awards
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense	0.0	0.0	0.9	1.0
RSUs | Non-Employee Director Awards
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense	0.0	0.0	0.6	0.6
PSUs | Management
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense	$ 0.2	$ 0.0	$ 0.2	$ 0.0