Discontinued Operations and Divestitures - Transaction Expenses Included in Discontinued Operations (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2013 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Transaction expenses in discontinued operations	$ 12,901
Whitewave
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Transaction expenses in discontinued operations	12,464
Morningstar
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Transaction expenses in discontinued operations	$ 437