Derivative Financial Instruments and Fair Value Measurement - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Derivative [Line Items]
Gains (losses) on derivative contracts			$ 262	$ (4,356)
Term of purchase commitment, minimum			1 month
Term of purchase commitment, maximum			1 year
Derivative Instruments Not Designated as Hedging Instruments, Gain	$ 4,200		$ 5,100
Foreign currency contract hedging activity to be reclassified within next 12 months	600		$ 600
Net Sales [Member]
Derivative [Line Items]
Percentage of international operations			18.80%	20.00%
International [Member] | Long Lived Assets [Member]
Derivative [Line Items]
Percentage of international operations			19.30%		18.60%
Interest rate swap contracts [Member]
Derivative [Line Items]
Interest rate swaps value	650,000		$ 650,000
Interest rate swaps maturity date			Mar. 31, 2017
Gains (losses) on derivative contracts	(1,000)	$ (4,800)	$ (3,600)	$ (4,400)
Interest rate swap contracts [Member] | Dean Foods Net Investment [Member]
Derivative [Line Items]
Interest rate swaps value	$ 650,000		$ 650,000
Interest rate swaps maturity date			Mar. 31, 2017