Goodwill Activity by Segment (Detail) (USD $) In Thousands, unless otherwise specified	9 Months Ended
Oct. 05, 2013	Oct. 05, 2013 DSD segment	Oct. 05, 2013 Warehouse segment	Dec. 29, 2012 Warehouse segment
Goodwill [Line Items]
Beginning balance	$ 269,897	$ 262,796	$ 7,101	$ 7,101
Increase in goodwill related to acquisitions	6,333	6,333
Ending Balance	$ 276,230	$ 269,129	$ 7,101	$ 7,101

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

Name:	us-gaap_Goodwill
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant