Acquisitions (Acquired Hostess Bread Assets) - Additional Information (Detail) (Acquired Hostess Bread Asset, USD $)	0 Months Ended	3 Months Ended	9 Months Ended	12 Months Ended		0 Months Ended	3 Months Ended	9 Months Ended	12 Months Ended		0 Months Ended
	Jul. 19, 2013	Oct. 05, 2013	Oct. 04, 2014	Dec. 28, 2013	Jan. 11, 2013	Jan. 11, 2013 Agreement Two	Oct. 05, 2013 Agreement Two	Oct. 05, 2013 Agreement Two	Dec. 28, 2013 Agreement Two	Apr. 20, 2013 Agreement Two	Jan. 11, 2013 Bakeries Facility	Jan. 11, 2013 Depots Facility	Jul. 19, 2013 Depots Number of depots purchased included in the original bid Facility
Business Acquisition [Line Items]
Number of assets acquired in acquisition											20	38	36
Bid price to purchase assets					$ 360,000,000
Business acquisition	355,300,000		355,342,000
Gain on legal settlement		1,400,000	1,400,000
Acquisition-related costs							5,700,000	10,300,000	16,000,000
Aggregate purchase price						30,000,000
Breakup fee received for unsuccessful bid										900,000
Sales related to acquisition				$ 26,600,000