Acquisition (Narrative) (Details) - USD ($) $ in Thousands			4 Months Ended
	Feb. 18, 2017	Oct. 16, 2016	Feb. 18, 2017
Business Acquisition [Line Items]
Cash consideration paid			$ 85,822
Deferred purchase price			$ (3,000)
Foodonics International, Inc
Business Acquisition [Line Items]
Cash consideration paid		$ 68,600
Deferred purchase price		$ (3,000)
Happy Hen Egg Farms, Inc
Business Acquisition [Line Items]
Cash consideration paid	$ 17,200