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Carrying Amount of Goodwill by Segment (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
	Jul. 12, 2014	Jul. 12, 2014	Jul. 12, 2014 DSD segment	Jul. 12, 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)	(2,624)
Change in goodwill due to acquisition fair value assessment (Note 4)		(2,378)	(2,378)
Ending Balance	$ 277,402	$ 277,402	$ 272,925	$ 4,477	$ 4,477

X

- Definition

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.

+ References

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-Publisher FASB

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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