Financial Instruments (Details 2) - USD ($) $ in Millions	Oct. 03, 2015	Jan. 03, 2015
Derivatives, Fair Value
Asset	$ 4.4	$ 10.3
Liability	9.0	11.7
Long-term retirement benefits and other liabilities
Derivatives, Fair Value
Liability	0.1	0.2
Foreign exchange contracts | Other current assets
Derivatives, Fair Value
Asset	4.4	10.3
Foreign exchange contracts | Other accrued liabilities
Derivatives, Fair Value
Liability	8.1	10.5
Commodity contracts | Other accrued liabilities
Derivatives, Fair Value
Liability	$ 0.8	$ 1.0