Description of Business (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions	Oct. 27, 2015	Oct. 31, 2015
Synder’s-Lance
Business Acquisition [Line Items]
Cash per share to be received by shareholders of acquiree	$ 12.50
Share price	$ 0.775
Contingent consideration upon completion		$ 14.2
Diamond | Synder’s-Lance | Maximum
Business Acquisition [Line Items]
Termination fees	$ 54.0
Synder’s-Lance | Diamond | Minimum
Business Acquisition [Line Items]
Termination fees	50.0
Synder’s-Lance | Diamond | Maximum
Business Acquisition [Line Items]
Termination fees	$ 100.0