Financial Instruments (Notional Amounts and Fair Values of Derivatives Designated as Cash Flow Hedges and Derivatives Not Designated as Cash Flow Hedges) (Details) - USD ($) $ in Millions	Jul. 01, 2016	Dec. 31, 2015
Derivatives, Fair Value [Line Items]
Fair Value of assets for derivatives not designated as cash flow hedges	$ 2.9	$ 0.7
Fair Value of liability for derivatives not designated as cash flow hedges	2.8	12.2
Commodity Futures [Member]
Derivatives, Fair Value [Line Items]
Notional amount of derivatives not designated as cash flow hedges	99.8	133.5
Fair Value of assets for derivatives not designated as cash flow hedges	2.7	0.3
Fair Value of liability for derivatives not designated as cash flow hedges	1.8	9.9
Foreign Currency Exchanges [Member]
Derivatives, Fair Value [Line Items]
Notional amount of derivatives not designated as cash flow hedges	44.9	75.2
Fair Value of assets for derivatives not designated as cash flow hedges	0.2	0.4
Fair Value of liability for derivatives not designated as cash flow hedges	$ 1.0	$ 2.3