Acquisition (Dave's Killer Bread) - Additional Information (Detail) $ in Thousands		3 Months Ended	9 Months Ended
	Sep. 12, 2015 USD ($)	Oct. 10, 2015 USD ($) ProductionFacility	Oct. 10, 2015 USD ($) ProductionFacility
Business Acquisition [Line Items]
Goodwill acquired			$ 142,256
Dave’s Killer Bread
Business Acquisition [Line Items]
Percentage of stock acquired	100.00%
Date of acquisition			Sep. 12, 2015
Business acquisition	$ 281,731
Goodwill acquired	$ 142,300
Acquisition-related costs		$ 4,500	$ 4,500
Sales related to acquisition		$ 9,700	$ 9,700
Number of production facility | ProductionFacility		1	1
Fair value of trade receivable		$ 14,000	$ 14,000
Gross amount receivable		14,300	14,300
Bad debt		$ 300	$ 300