Financial Instruments and Risk Management (Derivative Notional Amounts) (Details) - USD ($) $ in Millions	Jun. 27, 2020	Dec. 28, 2019	Jun. 29, 2019
Foreign exchange contracts [Member] | Hedge [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative Asset, Notional Amount	$ 161.1	$ 246.3	$ 238.1
Foreign exchange contracts [Member] | Non-hedge [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative Asset, Notional Amount	0.0	7.3	8.5
Interest rate swaps [Member] | Hedge [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative Asset, Notional Amount	314.6	355.8	141.9
Cross currency swap [Member] | Hedge [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative Asset, Notional Amount	$ 79.8	$ 79.8	$ 79.8