XML 56 R42.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Summary of Significant Accounting Policies - Self-Insurance (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 30, 2023 USD ($)
Accounting Policies [Abstract] |
Self Insurance, Annual Maximum of Health Claims Liability per Associate | $ 500
Self Insurance, Maximum of Workers Compensation Claims Liability Per Associate Per Claim, Low End of Range | 1,000
Self Insurance, Maximum of Workers Compensation Claims Liability Per Associate Per Claim, High End of Range | 2,000
Property and Casualty Insurance, Deductible, Low End of Range | 250
Property and Casualty Insurance, Deductible, High End of Range | $ 1,000

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

X
- Definition Property and Casualty Insurance, Deductible, High End of Range + References No definition available. + Details
Name: | wmk_PropertyAndCasualtyInsuranceDeductibleHighEndOfRange
Namespace Prefix: | wmk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Property and Casualty Insurance, Deductible, Low End of Range + References No definition available. + Details
Name: | wmk_PropertyAndCasualtyInsuranceDeductibleLowEndOfRange
Namespace Prefix: | wmk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Self Insurance, Annual Maximum of Health Claims Liability per Associate + References No definition available. + Details
Name: | wmk_SelfInsuranceAnnualMaximumOfHealthClaimsLiabilityPerAssociate
Namespace Prefix: | wmk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Self Insurance, Maximum of Workers Compensation Claims Liability Per Associate Per Claim, High End of Range + References No definition available. + Details
Name: | wmk_SelfInsuranceMaximumOfWorkersCompensationClaimsLiabilityPerAssociatePerClaimHighEndOfRange
Namespace Prefix: | wmk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Self Insurance, Maximum of Workers Compensation Claims Liability Per Associate Per Claim, Low End of Range + References No definition available. + Details
Name: | wmk_SelfInsuranceMaximumOfWorkersCompensationClaimsLiabilityPerAssociatePerClaimLowEndOfRange
Namespace Prefix: | wmk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration