XML 70 R34.htm IDEA: XBRL DOCUMENT
v3.20.1

Revenue - Summary of Information about Disaggregated Revenue of Reportable Segments (Detail) - USD ($) $ in Thousands | 4 Months Ended
--- | ---
Apr. 18, 2020 | Apr. 20, 2019
Disaggregation Of Revenue [Line Items] |  |
Total revenue | $ 2,856,456 | $ 2,542,375
Center store [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 1,119,943 | 936,654
Fresh [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 958,333 | 888,737
Non-food [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 716,478 | 651,445
Other Products [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 28,702 | 24,290
Fuel [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 33,000 | 41,249
Individuals Customer [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 782,333 | 701,482
Manufacturers, brokers and distributors [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 697,462 | 703,347
Retailers [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 1,352,766 | 1,132,178
Other Customers [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 23,895 | 5,368
Food Distribution [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 1,369,495 | 1,169,238
Food Distribution [Member] | Center store [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 451,321 | 355,471
Food Distribution [Member] | Fresh [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 467,663 | 428,768
Food Distribution [Member] | Non-food [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 424,312 | 362,994
Food Distribution [Member] | Other Products [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 26,199 | 22,005
Food Distribution [Member] | Manufacturers, brokers and distributors [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 38,522 | 60,711
Food Distribution [Member] | Retailers [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 1,309,422 | 1,105,326
Food Distribution [Member] | Other Customers [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 21,551 | 3,201
Retail [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 782,568 | 701,767
Retail [Member] | Center store [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 328,326 | 270,773
Retail [Member] | Fresh [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 295,003 | 262,947
Retail [Member] | Non-food [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 125,845 | 126,395
Retail [Member] | Other Products [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 394 | 403
Retail [Member] | Fuel [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 33,000 | 41,249
Retail [Member] | Individuals Customer [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 782,333 | 701,482
Retail [Member] | Other Customers [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 235 | 285
Military [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 704,393 | 671,370
Military [Member] | Center store [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 340,296 | 310,410
Military [Member] | Fresh [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 195,667 | 197,022
Military [Member] | Non-food [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 166,321 | 162,056
Military [Member] | Other Products [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 2,109 | 1,882
Military [Member] | Manufacturers, brokers and distributors [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 658,940 | 642,636
Military [Member] | Retailers [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 43,344 | 26,852
Military [Member] | Other Customers [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | $ 2,109 | $ 1,882

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_DisaggregationOfRevenueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
Name: | us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | srt_ProductOrServiceAxis=sptn_CenterStoreMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=sptn_FreshMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=sptn_NonFoodMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=us-gaap_ManufacturedProductOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_EnergyAxis=srt_FuelMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=sptn_IndividualsCustomerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=sptn_ManufacturersBrokersAndDistributorsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=sptn_RetailersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=sptn_OtherCustomersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=sptn_DistributionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=sptn_RetailSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=sptn_MilitaryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |