Property, Plant And Equipment (Schedule Of Property, Plant And Equipment) (Details) - USD ($) $ in Millions	Oct. 02, 2020	Sep. 27, 2019
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	$ 3,179.9	$ 2,883.9
Accumulated depreciation and amortization	(1,930.4)	(1,678.3)
Total property, plant and equipment, net	1,249.5	1,205.6
Land and Land Improvements [Member]
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	11.8	11.7
Building and Building Improvements [Member]
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	424.8	354.4
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	46.5	33.8
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	2,556.1	2,311.5
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	$ 140.7	$ 172.5