Held For Sale, Divestitures and Acquisitions Held For Sale, Divestitures and Acquisitions (Assets Held For Sale) (Details) - USD ($) $ in Millions	Dec. 28, 2019	Dec. 29, 2018
Business Combinations [Abstract]
Trade Receivables	$ 0.0	$ 19.2
Inventories	0.0	34.7
Prepaid Expenses and Other Current Assets	0.0	5.0
Property, Plant and Equipment	2.8	19.9
Intangible Assets	0.0	12.0
Goodwill	0.0	1.3
Assets Held for Sale	2.8	92.1
Accounts Payable	0.0	8.1
Accrued Compensation and Benefits	0.0	0.5
Other Accrued Expenses	0.0	7.3
Other Noncurrent Liabilities	0.0	1.1
Liabilities Held for Sale	$ 0.0	$ 17.0