Schedule of Identified Assets Acquired and Liabilities Assumed (Detail) (USD $) In Thousands, unless otherwise specified	6 Months Ended				1 Months Ended	3 Months Ended				1 Months Ended	3 Months Ended	6 Months Ended
	Jul. 13, 2013	Jul. 12, 2014	Dec. 28, 2013	Feb. 23, 2013	Feb. 23, 2013 Sara Lee and Earthgrains acquisition of trademark licenses	Oct. 05, 2013 Sara Lee and Earthgrains acquisition of trademark licenses	Feb. 23, 2013 Sara Lee and Earthgrains acquisition of trademark licenses Distribution Rights	Feb. 23, 2013 Sara Lee and Earthgrains acquisition of trademark licenses Trademarks	Feb. 23, 2013 Sara Lee and Earthgrains acquisition of trademark licenses Customer Relationships	Jul. 19, 2013 Acquired Hostess Bread Asset	Oct. 05, 2013 Acquired Hostess Bread Asset	Jul. 12, 2014 Acquired Hostess Bread Asset	Jul. 12, 2014 Acquired Hostess Bread Asset Trademarks
Business Acquisition [Line Items]
Identifiable intangible assets							$ 25,790	$ 79,500	$ 12,000				$ 189,000
Deferred income taxes, net					(31,345)	(800)
Financial assets												4,988
Net recognized amounts of identifiable assets acquired												353,702
Gain on legal settlement											(1,400)	(1,400)
Net recognized amounts of identifiable assets acquired					92,421							352,302
Goodwill		277,402	282,404									3,040
Bargain purchase gain	50,071				50,071	1,200
Cash consideration transferred	18,000				49,950					355,300		355,342
Contingently refundable consideration (the "holdback")				(10,000)	(7,600)
Total consideration, net					42,350
Property, plant, and equipment					$ 6,476							$ 159,714