Balance Sheet Components - Property, Plant and Equipment (Details) - USD ($) $ in Millions	Jul. 27, 2024	Apr. 27, 2024
Property Plant And Equipment [Line Items]
Total property, plant and equipment, gross	$ 553.8	$ 546.8
Less: accumulated depreciation	(340.0)	(334.7)
Property, plant and equipment, net	213.8	212.1
Land
Property Plant And Equipment [Line Items]
Total property, plant and equipment, gross	3.3	3.3
Buildings and Building Improvements
Property Plant And Equipment [Line Items]
Total property, plant and equipment, gross	98.2	98.5
Machinery and Equipment
Property Plant And Equipment [Line Items]
Total property, plant and equipment, gross	398.3	394.6
Construction In Progress
Property Plant And Equipment [Line Items]
Total property, plant and equipment, gross	$ 54.0	$ 50.4