Segment, Geographic and Customer Information - Net Revenue from External Customers (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Revenue from External Customer [Line Items]
Revenues	$ 2,018,009	$ 1,964,601	$ 1,848,788	$ 1,878,828	$ 2,022,500	$ 2,033,693	$ 2,014,706	$ 2,050,762	$ 7,710,226	$ 8,121,661	$ 9,503,196
Fluid milk
Revenue from External Customer [Line Items]
Revenues									5,339,000	5,728,000	6,984,000
Ice cream
Revenue from External Customer [Line Items]
Revenues									1,041,000	965,000	986,000
Fresh cream
Revenue from External Customer [Line Items]
Revenues									359,000	358,000	373,000
ESL and other diary products
Revenue from External Customer [Line Items]
Revenues									231,000	250,000	283,000
Cultured
Revenue from External Customer [Line Items]
Revenues									299,000	319,000	370,000
Other beverages
Revenue from External Customer [Line Items]
Revenues									308,000	343,000	379,000
Other
Revenue from External Customer [Line Items]
Revenues									$ 133,000	$ 159,000	$ 128,000