Financial Instruments and Risk Management (Derivative Notional Amounts) (Details) - USD ($) $ in Millions	Mar. 26, 2016	Jan. 02, 2016	Mar. 28, 2015
Foreign exchange contracts [Member] | Hedge [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount	$ 162.5	$ 192.6	$ 136.8
Foreign exchange contracts [Member] | Non-hedge [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount	13.5	23.2	0.0
Interest Rate Swap [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount	$ 583.9	$ 609.7	$ 386.6