Schedule of Identified Assets Acquired and Liabilities Assumed (Detail) - USD ($) $ in Thousands	Sep. 12, 2015	Oct. 10, 2015	Jan. 03, 2015
Business Acquisition [Line Items]
Goodwill		$ 425,216	$ 282,960
Dave’s Killer Bread
Business Acquisition [Line Items]
Cash consideration paid	$ 281,731
Property, plant, and equipment	9,908
Deferred income taxes	(61,682)
Financial assets	10,949
Net recognized amounts of identifiable assets acquired	139,475
Goodwill	142,256
Dave’s Killer Bread | Trademark
Business Acquisition [Line Items]
Identifiable intangible asset	111,400
Dave’s Killer Bread | Customer List
Business Acquisition [Line Items]
Identifiable intangible asset	68,200
Dave’s Killer Bread | Non-Compete Agreements
Business Acquisition [Line Items]
Identifiable intangible asset	$ 700