Goodwill and Intangible Assets - Additional Information (Detail) (USD $)	12 Months Ended				3 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2013 Trademarks	Mar. 31, 2013 Trademarks	Dec. 31, 2013 Whitewave
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 86,841,000	$ 86,841,000	$ 2,163,785,000				$ 86,800,000
Asset impairment charges					1,500,000	2,900,000
Non-cash impairment charge		2,075,836,000	2,075,836,000
Non-cash impairment charge, net of tax			1,600,000,000
Accumulated Goodwill impairment charge				0
Amortization expense on intangible assets	$ 3,669,000	$ 3,758,000	$ 4,997,000