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Goodwill and Other Intangible Assets - Schedule of Components of Amortized Intangible Assets , Includes in Other Assets, Net (Detail) - USD ($) $ in Thousands	Jan. 02, 2016	Jan. 03, 2015
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 37,106	$ 41,262
Accumulated Amortization	9,013	16,457
Non-compete agreements [Member]
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,306	2,528
Accumulated Amortization	725	1,836
Favorable leases [Member]
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	8,744	8,408
Accumulated Amortization	3,248	2,718
Pharmacy customer prescription lists [Member]
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	7,887	16,494
Accumulated Amortization	3,441	10,574
Customer relationships [Member]
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	17,542	12,100
Accumulated Amortization	1,308	684
Trade Name [Member]
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,068	1,218
Accumulated Amortization	86	461
Franchise fees and other [Member]
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	559	514
Accumulated Amortization	$ 205	$ 184

X

- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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