Property, Plant and Equipment (Schedule Of Property, Plant And Equipment) (Details) - USD ($) $ in Millions	Apr. 02, 2021	Oct. 02, 2020
Property, Plant and Equipment
Total property, plant, and equipment, gross	$ 3,462.4	$ 3,179.9
Accumulated depreciation	(2,065.8)	(1,930.4)
Total property, plant, and equipment, net	1,396.6	1,249.5
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	438.1	424.8
Furniture and fixtures [Member]
Property, Plant and Equipment
Total property, plant, and equipment, gross	49.9	46.5
Machinery and equipment [Member]
Property, Plant and Equipment
Total property, plant, and equipment, gross	2,749.9	2,556.1
Construction in progress [Member]
Property, Plant and Equipment
Total property, plant, and equipment, gross	$ 212.7	$ 140.7