Property, Plant, and Equipment, Net (Details) - USD ($) $ in Millions	Jun. 28, 2024	Sep. 29, 2023
Property, Plant and Equipment [Line Items]
Total property, plant, and equipment, gross	$ 4,145.9	$ 4,171.7
Accumulated depreciation	(2,880.6)	(2,781.6)
Total property, plant, and equipment, net	1,265.3	1,390.1
Land and improvements
Property, Plant and Equipment [Line Items]
Total property, plant, and equipment, gross	11.9	11.8
Buildings and improvements
Property, Plant and Equipment [Line Items]
Total property, plant, and equipment, gross	603.3	588.2
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Total property, plant, and equipment, gross	79.1	74.8
Machinery and equipment
Property, Plant and Equipment [Line Items]
Total property, plant, and equipment, gross	3,394.4	3,389.3
Construction in progress
Property, Plant and Equipment [Line Items]
Total property, plant, and equipment, gross	$ 57.2	$ 107.6