Financial Instruments and Risk Management (Financial Assets and Liabilities Measured at Fair Value) (Details) (Quoted Prices with Other Observable Inputs (Level 2) [Member], USD $) In Millions, unless otherwise specified	Mar. 28, 2015	Jan. 03, 2015	Mar. 22, 2014
Quoted Prices with Other Observable Inputs (Level 2) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign exchange contracts asset	$ 10.4	$ 8.6	$ 2.2
Interest rate swap asset	0	0.6	1.0
Foreign exchange contracts liability	0	0	1.0
Interest rate swap liability	$ 0.4	$ 0	$ 0