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Investment in Affiliates and Discontinued Operations - Narrative (Details) - USD ($) $ in Thousands			3 Months Ended			6 Months Ended
	Oct. 12, 2018	Jun. 29, 2018	Jun. 30, 2019	Jun. 30, 2018	Sep. 30, 2017	Jun. 30, 2019	Jun. 30, 2018
Schedule of Equity Method Investments [Line Items]
Equity in earnings of joint venture			$ 688	$ 1,699		$ 2,643	$ 3,599
Payments to noncontrolling interests						28	0
Gain on sale of discontinued operations, net of tax			0	1,922		0	1,922
Organic Valley Fresh Joint Venture
Schedule of Equity Method Investments [Line Items]
Payments to acquire equity method investment					$ 2,000
Equity in earnings of joint venture			$ (700)	$ 1,700		$ 2,600	$ 3,600
Ownership interest by parent (as a percent)					50.00%
Good Karma
Schedule of Equity Method Investments [Line Items]
Ownership interest by parent (as a percent)		67.00%	69.00%			69.00%
Additional investment		$ 15,000
Payments to noncontrolling interests	$ 3,000