Derivative Financial Instruments (Net Fair Value Of Commodity Price Risk) (Details) (USD $) In Millions	Oct. 08, 2011
Derivatives, Fair Value [Line Items]
Net Fair Value	$ (21.0)
Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Liabilities	(19.9)
Other Current Liabilities [Member] | Level 1 [Member]
Derivatives, Fair Value [Line Items]
Liabilities	(18.0)
Other Current Liabilities [Member] | Level 2 [Member]
Derivatives, Fair Value [Line Items]
Liabilities	(1.9)
Other Current Liabilities [Member] | Level 3 [Member]
Derivatives, Fair Value [Line Items]
Liabilities
Other Long Term Liabilities [Member]
Derivatives, Fair Value [Line Items]
Liabilities	(1.1)
Other Long Term Liabilities [Member] | Level 1 [Member]
Derivatives, Fair Value [Line Items]
Liabilities	(0.7)
Other Long Term Liabilities [Member] | Level 2 [Member]
Derivatives, Fair Value [Line Items]
Liabilities	(0.4)
Other Long Term Liabilities [Member] | Level 3 [Member]
Derivatives, Fair Value [Line Items]
Liabilities
Level 1 [Member]
Derivatives, Fair Value [Line Items]
Net Fair Value	(18.7)
Level 2 [Member]
Derivatives, Fair Value [Line Items]
Net Fair Value	(2.3)
Level 3 [Member]
Derivatives, Fair Value [Line Items]
Net Fair Value