Discontinued Operations and Divestitures - Summary of Operating Results And Certain Other Directly Attributable Expenses (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Operations:
Net sales		$ 946,350	$ 3,625,986
Income (loss) before income taxes		57,098	221,677
Income tax (expense) benefit		(54,295)	(82,398)
Net income (loss)	(652)	2,803	139,279
Income tax expense (benefit)	(32,096)	(42,325)	87,945
WhiteWave Foods
Operations:
Net sales		940,431	2,187,615
Income (loss) before income taxes		57,126	152,164
Income tax (expense) benefit		(54,306)	(58,566)
Net income (loss)		2,820	93,598
Income tax expense (benefit)		31,100
Morningstar
Operations:
Net sales		5,919	1,438,371
Income (loss) before income taxes		(28)	69,513
Income tax (expense) benefit		11	(23,832)
Net income (loss)		$ (17)	$ 45,681