XML 72 R53.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Goodwill and Other Intangible Assets - Schedule of Components of Amortized Intangible Assets , Includes in Other Assets, Net (Detail) - USD ($) $ in Thousands | Dec. 31, 2016 | Jan. 02, 2016
--- | --- | ---
Finite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 36,786 | $ 37,106
Accumulated Amortization | 10,923 | 9,013
Non-compete agreements [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 1,244 | 1,306
Accumulated Amortization | 978 | 725
Favorable leases [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 8,744 | 8,744
Accumulated Amortization | 3,807 | 3,248
Pharmacy customer prescription lists [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 7,168 | 7,887
Accumulated Amortization | 3,445 | 3,441
Customer relationships [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 17,633 | 17,542
Accumulated Amortization | 2,187 | 1,308
Trade Name [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 1,068 | 1,068
Accumulated Amortization | 236 | 86
Franchise fees and other [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 929 | 559
Accumulated Amortization | $ 270 | $ 205

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 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- 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 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- 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. + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_NoncompeteAgreementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_OffMarketFavorableLeaseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=sptn_PharmacyCustomerPrescriptionListsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CustomerRelationshipsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_TradeNamesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=sptn_FranchiseFeesAndOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |