Acquisitions Narrative (Details) - Foodonics International, Inc $ in Thousands, layer in Millions	Oct. 16, 2016 USD ($) layer
Business Acquisition [Line Items]
Cash consideration paid | $	$ 68,643
Business combination, consideration transferred, assumed liabilities | $	$ 3,000
Production and processing capacity | layer	1.6
Contract grower arrangements | layer	1.5
Business acquisition, percentage of voting interests for american egg products	100.00%
Business acquisition purchase price allocation goodwill expected tax deductible period	15 years
Franchise Rights
Business Acquisition [Line Items]
Franchise fees, remaining amortization period	15 years