Acquisitions Allocation of Purchase Price (Details) - USD ($) $ in Thousands	Oct. 16, 2016	Feb. 25, 2017	Feb. 19, 2017	May 28, 2016
Business Acquisition [Line Items]
Goodwill		$ 35,432		$ 29,196
Happy Hen Egg Farms, Inc
Business Acquisition [Line Items]
Inventory			$ 609
Property, plant and equipment			11,259
Intangible assets			2,400
Total identifiable net assets			14,268
Goodwill			2,940
Purchase price			$ 17,208
Foodonics International, Inc
Business Acquisition [Line Items]
Inventory	$ 7,669
Property, plant and equipment	38,683
Intangible assets	24,000
Liabilities assumed	(2,005)
Total identifiable net assets	68,347
Goodwill	3,296
Purchase price	71,643
Deferred purchase price	(3,000)
Cash consideration paid	$ 68,643