Goodwill and Other Intangible Assets - Schedule of Other Intangible Assets, Net (Details) - USD ($) $ in Millions	12 Months Ended
	May 02, 2020	Apr. 27, 2019
Finite-lived Intangible Assets [Roll Forward]
Gross	$ 318.8	$ 320.0
Accumulated Amortization	(75.8)	(56.9)
Net/ Total	243.0	263.1
Gross	1.8	1.8
Net	1.8	1.8
Other intangible assets, gross	320.6	321.8
Other intangible assets, accumulated amortization	(75.8)	(56.9)
Other intangible assets, net	244.8	264.9
Trade Names, Patents and Technology Licenses
Finite-lived Intangible Assets [Roll Forward]
Gross	1.8	1.8
Net	1.8	1.8
Customer Relationships and Agreements
Finite-lived Intangible Assets [Roll Forward]
Gross	243.5	244.5
Accumulated Amortization	(40.8)	(27.7)
Net/ Total	$ 202.7	$ 216.8
Wtd. Avg. Remaining Amortization Periods (Years)	16 years 6 months	17 years 4 months 24 days
Trade Names, Patents and Technology Licenses
Finite-lived Intangible Assets [Roll Forward]
Gross	$ 75.3	$ 75.5
Accumulated Amortization	(35.0)	(29.2)
Net/ Total	$ 40.3	$ 46.3
Wtd. Avg. Remaining Amortization Periods (Years)	7 years 9 months 18 days	8 years 4 months 24 days