Property, Plant and Equipment (Schedule Of Property, Plant And Equipment) (Details) - USD ($) $ in Millions	Dec. 29, 2023	Sep. 29, 2023
Property, Plant and Equipment
Total property, plant, and equipment, gross	$ 4,171.8	$ 4,171.7
Accumulated depreciation	(2,829.1)	(2,781.6)
Total property, plant, and equipment, net	1,342.7	1,390.1
Land and improvements [Member]
Property, Plant and Equipment
Total property, plant, and equipment, gross	11.8	11.8
Building and improvements [Member]
Property, Plant and Equipment
Total property, plant, and equipment, gross	592.1	588.2
Furniture and fixtures [Member]
Property, Plant and Equipment
Total property, plant, and equipment, gross	3,413.3	74.8
Machinery and equipment [Member]
Property, Plant and Equipment
Total property, plant, and equipment, gross	76.1	3,389.3
Construction in progress [Member]
Property, Plant and Equipment
Total property, plant, and equipment, gross	$ 78.5	$ 107.6