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