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Acquisitions - Additional Information (Detail) $ in Thousands	Oct. 10, 2015 USD ($)	Jun. 16, 2015 USD ($) Store	Jan. 03, 2015 USD ($)
Business Acquisition [Line Items]
Goodwill	$ 331,612		$ 297,280
Retail [Member]
Business Acquisition [Line Items]
Goodwill	190,518		165,932
Food Distribution [Member]
Business Acquisition [Line Items]
Goodwill	$ 141,094		$ 131,348
Dan's [Member]
Business Acquisition [Line Items]
Total purchase price of assets		$ 32,600
Amount of inventory included in total purchase price		$ 3,700
Number of stores acquired | Store		6
Dan's [Member] | Retail [Member]
Business Acquisition [Line Items]
Goodwill		$ 24,600
Dan's [Member] | Food Distribution [Member]
Business Acquisition [Line Items]
Goodwill		$ 1,000

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The amount of inventory recognized as of the acquisition date.

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Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

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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.

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