Commitments and Contingencies Loss Contingency (Details)	1 Months Ended							9 Months Ended	1 Months Ended	3 Months Ended			9 Months Ended		12 Months Ended		12 Months Ended
	Dec. 31, 2009 CAD	Sep. 29, 2012 USD ($)	Dec. 31, 2011 USD ($)	Jun. 30, 2007 USD ($)	Sep. 29, 2012 RMMC [Member] USD ($)	Sep. 29, 2012 Kaiser purchased tax credits indemnity reserve, category two USD ($)	Sep. 29, 2012 Kaiser purchased tax credits indemnity reserve USD ($)	Sep. 29, 2012 Kaiser tax, civil and labor indemnity reserve USD ($)	Oct. 31, 2010 Litigation on product distribution in Brazil USD ($)	Sep. 29, 2012 Litigation on product distribution in Brazil USD ($)	Mar. 27, 2010 Litigation on product distribution in Brazil USD ($)	Sep. 26, 2009 Litigation on product distribution in Brazil USD ($)	Sep. 29, 2012 Litigation on product distribution in Brazil USD ($)	Sep. 24, 2011 Litigation on product distribution in Brazil USD ($)	Dec. 31, 2000 Litigation on product distribution in Brazil USD ($)	Jun. 30, 2012 Litigation on product distribution in Brazil USD ($)	Dec. 31, 1990 Environmental matters, Lowry USD ($)	Sep. 29, 2012 Environmental matters, Lowry USD ($)	Oct. 31, 2006 Environmental matters, Cooper Drum site Other_Parties	Sep. 29, 2012 MillerCoors RMMC [Member]
Loss Contingencies [Line Items]
Maximum potential claims						$ 218,300,000		$ 68,000,000
Total estimate of indemnity liability							19,700,000
Indemnity liability, current							7,900,000
Indemnity liability, noncurrent							11,800,000	8,400,000
Equity interest sold (as a percent)								68.00%
Guarantees
Debt instrument, face amount				575,000,000
Equity method investment, ownership percentage																				50.00%
Guarantor obligations, maximum exposure, undiscounted					9,100,000
Letter of credit provided to entity	10,000,000
Guarantees related to banks and other third parties noncurrent portion		6,300,000	6,100,000
Litigation and Other Disputes
Accrued liabilities, litigations and disputes		17,400,000	15,300,000
Disposal group including discontinued operations, current, legal reserves		0	4,800,000													6,300,000
Settlement agreement, payment for termination of distribution agreement															150,000
Litigation, vacated court judgment									42,000,000		42,000,000	42,000,000
Charges associated with legal settlement, gross										6,800,000			6,800,000
Charges associated with legal settlement, fees incurred										500,000			2,000,000	500,000
Environmental
Environmental remediation expense, pretax charge																	30,000,000
Environmental remediation threshold, assumed remediation cost																		120,000,000
Inflation rate assumption, future costs (as a percent)																		2.50%
Risk free rate of return assumption (as a percent)																		1.69%
Site contingency, accrual, present value																		4,300,000
Site contingency, accrual, undiscounted amount																		$ 7,800,000
Number of PRP parties																			60