Financial Instruments (Notional Amounts and Fair Values of Derivatives Designated as Cash Flow Hedges and Derivatives not Designated as Cash Flow Hedges) (Details) (Cash Flow Hedging [Member], USD $) In Millions	Jul. 01, 2011		Dec. 31, 2010
Fair Value of asset for derivatives designated as cash flow hedges	$ 13.4	[1]	$ 32.0	[1]
Fair Value of liability for derivatives designated as cash flow hedges	6.0	[2]	4.9	[2]
Fair Value of assets for derivatives not designated as cash flow hedges	13.1	[1]	4.5	[1]
Fair Value of liability for derivatives not designated as cash flow hedges	15.9	[2]	11.3	[2]
Interest Rate Swaps [Member]
Notional Amount of derivatives designated as cash flow hedges	54.6		57.8
Fair Value of asset for derivatives designated as cash flow hedges	0.2	[1]
Fair Value of liability for derivatives designated as cash flow hedges	0.7	[2]	1.8	[2]
Commodity Futures [Member]
Notional Amount of derivatives designated as cash flow hedges	261.9		164.6
Fair Value of asset for derivatives designated as cash flow hedges	12.5	[1]	30.6	[1]
Fair Value of liability for derivatives designated as cash flow hedges	4.6	[2]
Notional amount of derivatives not designated as cash flow hedges	143.4		91.6
Fair Value of assets for derivatives not designated as cash flow hedges	1.6	[1]	1.4	[1]
Fair Value of liability for derivatives not designated as cash flow hedges	9.9	[2]	7.9	[2]
Foreign Currency Exchange [Member]
Notional Amount of derivatives designated as cash flow hedges	46.3		115.2
Fair Value of asset for derivatives designated as cash flow hedges	0.7	[1]	1.4	[1]
Fair Value of liability for derivatives designated as cash flow hedges	0.7	[2]	3.1	[2]
Notional amount of derivatives not designated as cash flow hedges	341.9		230.3
Fair Value of assets for derivatives not designated as cash flow hedges	11.5	[1]	3.1	[1]
Fair Value of liability for derivatives not designated as cash flow hedges	$ 6.0	[2]	$ 3.4	[2]

[1] Balance recorded in "Prepaid expenses and other" and "Other non-current assets"

[2] (2) Balance recorded in "Accrued liabilities" and "Other liabilities"