Restructuring - Schedule of Restructuring Activity (Details) - USD ($) $ in Millions		3 Months Ended	12 Months Ended
	May 01, 2021	May 02, 2020	May 01, 2021	May 02, 2020
Restructuring Cost And Reserve [Line Items]
Restructuring Costs	$ 1.2	$ 0.2	$ 8.2	$ 1.8
Employee Termination Benefits [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Costs	0.7	$ 0.2	7.1
Asset Impairment Charges [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Costs			0.6
Contract Termination [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Costs	$ 0.5		0.5
Cash [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Costs			(6.6)
Cash [Member] | Employee Termination Benefits [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Costs			(6.6)
Non Cash [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Costs			(0.6)
Non Cash [Member] | Asset Impairment Charges [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Costs			$ (0.6)