Debt (Senior Secured Credit Facility Narrative) (Details) (USD $)	12 Months Ended	3 Months Ended	0 Months Ended	12 Months Ended			12 Months Ended			12 Months Ended
	Dec. 31, 2011	Mar. 31, 2011 Mountain High [Member]	Apr. 02, 2011 Private Label Yogurt Operations [Member]	Dec. 31, 2011 Revolving Credit Facility [Member]	Dec. 31, 2011 Swingline Loans [Member] Revolving Credit Facility [Member]	Dec. 31, 2011 Senior Secured Revolving Credit Facility [Member] Letter Of Credit [Member]	Dec. 31, 2011 Revolving Credit Facility Maturing On April 2, 2012 [Member]	Dec. 31, 2011 Revolving Credit Facility Maturing On April 2, 2014 [Member]	Dec. 31, 2011 Conditions Not Requiring Prior Approval Under Credit Agreement [Member]	Dec. 31, 2011 Conditions Not Requiring Prior Approval Under Credit Agreement [Member] Leverage Ratio Greater 4.5 Times [Member]	Dec. 31, 2011 Term Loan A [Member]	Dec. 31, 2011 Term Loan B [Member]	Dec. 31, 2011 Maximum [Member] Conditions Not Requiring Prior Approval Under Credit Agreement [Member]	Dec. 31, 2011 Maximum [Member] Conditions Not Requiring Prior Approval Under Credit Agreement [Member] Leverage Ratio Greater 4.5 Times [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity				$ 1,500,000,000	$ 150,000,000	$ 350,000,000	$ 225,000,000	$ 1,275,000,000
Term of debt, in years				5							5	7
Debt instrument, principal amount											1,500,000,000	1,800,000,000
Outstanding borrowings under term loan											660,000,000	1,720,000,000
Line of credit, amount outstanding				100,000,000
Average daily balance under facility				117,900,000
Letters of credit outstanding amount				2,200,000
Line of credit facility, date of first required payment							April 2, 2012	April 2, 2014
Excess amount of asset sales requiring prepayment under senior secured credit facility	250,000,000
Cash proceeds from sale of operations		85,000,000	93,000,000
Single acquisition amount permitted under credit agreements													$ 500,000,000	$ 100,000,000
Ownership percentage, minimum									51.00%
Maximum permitted leverage ratio										4.50