Assets Held for Sale - Additional Information (Detail) - Jul. 18, 2015 $ in Millions	USD ($) Store Terminal
Long Lived Assets Held For Sale [Line Items]
Impairment loss on equipment classified as held and used	$ 1.5
Impairment loss on certain properties held for sale	$ 0.8
Acquired Hostess Bread Assets Plants and Depots | Bakeries
Long Lived Assets Held For Sale [Line Items]
Number of Acquired Hostess Bread Assets to be sold | Store	20
Acquired Hostess Bread Assets Plants and Depots | Depots
Long Lived Assets Held For Sale [Line Items]
Number of Acquired Hostess Bread Assets to be sold | Terminal	36