Summary of Potential Payment of Holdback Amount (Detail) - USD ($) $ in Thousands	Aug. 17, 2014	May. 19, 2014	Feb. 18, 2014	Nov. 20, 2013	Feb. 23, 2013
Business Acquisition [Line Items]
Potential payment holdback amount					$ 10,000
Co-pack decision
Business Acquisition [Line Items]
Potential payment holdback amount		$ 5,000	$ 7,500	$ 10,000
Bakery decision
Business Acquisition [Line Items]
Potential payment holdback amount	$ 5,000	$ 7,500	$ 10,000	$ 10,000