XML 38 R24.htm IDEA: XBRL DOCUMENT
v3.20.2

Adoption of New Accounting Standards and Recently Issued Accounting Standards (Tables) | 6 Months Ended
--- | ---
Jul. 11, 2020
Accounting Policies [Abstract] |
Summary of Changes in Allowance for Doubtful Accounts | Changes in the balance of the allowance for doubtful accounts were as follows:
|  |  |  | Allowance for Doubtful Accounts |
|  |  |  | Current Accounts |  |  | Long-term |  |  |  |
(In thousands) |  |  |  | and Notes Receivable |  |  | Notes Receivable |  |  | Total |
Balance at December 28, 2019 |  |  |  | $ |  | 2,739 |  |  | $ |  | 233 |  |  | $ |  | 2,972 |
Impact of adoption of new credit loss standard (ASU 2016-13) |  |  |  |  |  | 1,911 |  |  |  |  | 259 |  |  |  |  | 2,170 |
Provision for expected credit losses |  |  |  |  |  | 419 |  |  |  |  | — |  |  |  |  | 419 |
Write-offs charged against the allowance |  |  |  |  |  | (206 | ) |  |  |  | (121 | ) |  |  |  | (327 | )
Balance at July 11, 2020 |  |  |  | $ |  | 4,863 |  |  | $ |  | 371 |  |  | $ |  | 5,234 |

X
- Definition Accounts and financing receivable allowance for credit loss. + References No definition available. + Details
Name: | sptn_AccountsAndFinancingReceivableAllowanceForCreditLossTableTextBlock
Namespace Prefix: | sptn_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration