The charge against earnings resulting from the aggregate write down of all assets from their carrying value to their fair value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 45

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=6390789&loc=d3e2420-110228

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 28

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 144

-Paragraph 45, 46, 47

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585

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Balance Type:	debit
Period Type:	duration

Investments Narrative (Details) (USD $) In Millions, unless otherwise specified			3 Months Ended		9 Months Ended	3 Months Ended	9 Months Ended
	Sep. 29, 2012 MillerCoors	Dec. 31, 2011 MillerCoors	Sep. 29, 2012 MC Si Hai [Member]	Sep. 30, 2011 Sparks brand MillerCoors	Sep. 30, 2011 Sparks brand MillerCoors	Sep. 30, 2011 Milwaukee Brewery Worker's Pension Plan MillerCoors	Sep. 30, 2011 Milwaukee Brewery Worker's Pension Plan MillerCoors
Schedule of Equity Method Investments [Line Items]
Net receivables due from MillerCoors	$ 1.9	$ (2.0)
Fair value of investment in joint venture			5.4
Asset impairment charges			27.6
Special charges for write-down of intangible assets				60.0	60.0
Costs associated with planned assumption of pension plan						$ 50.9	$ 50.9