Financial Instruments and Risk Management (Financial Assets and Liabilities Measured at Fair Value) (Details) - Level 2 [Member] - USD ($) $ in Millions	Dec. 31, 2016	Jan. 02, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swap asset	$ 0.1	$ 0.2
Interest rate swap liability	(5.3)	(3.9)
Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign exchange contracts asset	6.6	6.7
Foreign exchange contracts liability	(0.3)	0.0
Not Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign exchange contracts asset	0.0	0.5
Foreign exchange contracts liability	$ 0.0	$ (0.1)