Carrying Amount of Goodwill by Segment (Detail) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Oct. 04, 2014	Oct. 04, 2014 DSD segment	Oct. 04, 2014 Warehouse segment	Dec. 28, 2013 Warehouse segment
Goodwill [Line Items]
Beginning balance	$ 282,404	$ 277,927	$ 4,477	$ 4,477
Goodwill impairment (Note 16)	(2,624)	(2,624)
Change in goodwill due to acquisition fair value assessment (Note 4)	3,180	3,180
Ending Balance	$ 282,960	$ 278,483	$ 4,477	$ 4,477