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Financial Instruments and Risk Management (Financial Assets and Liabilities Measured at Fair Value) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 28, 2019
Dec. 29, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Document Period End Date Dec. 28, 2019  
Designated as Hedging Instrument [Member] | Interest rate swap [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Interest rate swap asset $ 0.0 $ 1.6
Interest rate swap liability (1.8) 0.0
Designated as Hedging Instrument [Member] | Foreign exchange contracts [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Foreign exchange contracts asset 2.3 8.7
Foreign exchange contracts liability (1.8) 0.0
Designated as Hedging Instrument [Member] | Cross Currency Interest Rate Contract [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Instruments in Hedges, Net Investment in Foreign Operations, Liabilities, Fair Value $ (3.0) $ (8.2)