Investments Other Equity Method Investments (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended		3 Months Ended		9 Months Ended		0 Months Ended	9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013 Modelo Molson Imports L P MMI [Member]	Sep. 29, 2012 Modelo Molson Imports L P MMI [Member]	Sep. 28, 2013 Modelo Molson Imports L P MMI [Member]	Sep. 29, 2012 Modelo Molson Imports L P MMI [Member]	Nov. 05, 2013 Modelo Molson Imports L P MMI [Member] Subsequent Event [Member]	Sep. 28, 2013 Modelo [Member]
Schedule of Equity Method Investments [Line Items]
Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions					50.00%			50.00%
Joint Venture Agreement, Maturity Term							10 years
Gain on early termination of joint venture							$ 70
Equity Method Investment, Summarized Financial Information, Liabilities and Equity			19.0		19.0
Equity Method Investments, Intercompany Transactions, Net Payables Due			(11.8)		(11.8)
Finite-Lived Intangible Assets, Net			5.9		5.9
Income (Loss) from Equity Method Investments	13.3	12.0	3.9	4.1	9.0	11.1
Related Party Transaction, Selling, General and Administrative Expenses from Transactions with Related Party			$ 3.1	$ 3.7	$ 9.0	$ 9.5