3.26.1 html 81 63 1 false 12 0 false 4 false false R1.htm 000090 - Document - Document And Entity Information Sheet http://www.calmaine.com/role/DocumentDocumentAndEntityInformation Document And Entity Information Cover 1 false false R2.htm 000100 - Statement - Statements of Net Assets Available for Benefits Sheet http://www.calmaine.com/role/StatementsOfNetAssetsAvailableForBenefits Statements of Net Assets Available for Benefits Statements 2 false false R3.htm 000200 - Statement - Statements of Changes in Net Assets Available for Benefits Sheet http://www.calmaine.com/role/StatementsOfChangesInNetAssetsAvailableForBenefits Statements of Changes in Net Assets Available for Benefits Statements 3 false false R4.htm 010101 - Disclosure - Summary of Significant Plan Provisions Sheet http://www.calmaine.com/role/SummaryOfSignificantPlanProvisions Summary of Significant Plan Provisions Notes 4 false false R5.htm 010201 - Disclosure - Summary of Significant Accounting Policies Sheet http://www.calmaine.com/role/DisclosureSummaryOfSignificantAccountingPolicies Summary of Significant Accounting Policies Notes 5 false false R6.htm 010301 - Disclosure - Fair Value Measurements Sheet http://www.calmaine.com/role/FairValueMeasurements Fair Value Measurements Notes 6 false false R7.htm 010401 - Disclosure - Risks and Uncertainties Sheet http://www.calmaine.com/role/RisksAndUncertainties Risks and Uncertainties Notes 7 false false R8.htm 010501 - Disclosure - Tax Status Sheet http://www.calmaine.com/role/TaxStatus Tax Status Notes 8 false false R9.htm 010601 - Disclosure - Party-in-Interest Transactions Sheet http://www.calmaine.com/role/PartyinInterestTransactions Party-in-Interest Transactions Notes 9 false false R10.htm 010701 - Disclosure - Schedule of Assets Sheet http://www.calmaine.com/role/ScheduleOfAssets Schedule of Assets Notes 10 false false R11.htm 020202 - Disclosure - Summary of Significant Accounting Policies (Policies) Sheet http://www.calmaine.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies Summary of Significant Accounting Policies (Policies) Policies http://www.calmaine.com/role/DisclosureSummaryOfSignificantAccountingPolicies 11 false false R12.htm 030303 - Disclosure - Fair Value Measurements (Tables) Sheet http://www.calmaine.com/role/FairValueMeasurementsTables Fair Value Measurements (Tables) Tables http://www.calmaine.com/role/FairValueMeasurements 12 false false R13.htm 040101 - Disclosure - Summary of Significant Plan Provisions (Narrative) (Details) Sheet http://www.calmaine.com/role/SummaryOfSignificantPlanProvisionsNarrativeDetails Summary of Significant Plan Provisions (Narrative) (Details) Details http://www.calmaine.com/role/SummaryOfSignificantPlanProvisions 13 false false R14.htm 040302 - Disclosure - Fair Value Measurements (Investments Measured and Recognized at Fair Value) (Details) Sheet http://www.calmaine.com/role/FairValueMeasurementsInvestmentsMeasuredAndRecognizedAtFairValueDetails Fair Value Measurements (Investments Measured and Recognized at Fair Value) (Details) Details http://www.calmaine.com/role/FairValueMeasurementsTables 14 false false R15.htm 040303 - Disclosure - Fair Value Measurements (Additional Disclosures for NAV) (Details) Sheet http://www.calmaine.com/role/FairValueMeasurementsAdditionalDisclosuresForNAVDetails Fair Value Measurements (Additional Disclosures for NAV) (Details) Details http://www.calmaine.com/role/FairValueMeasurementsTables 15 false false R16.htm 040401 - Disclosure - Risks and Uncertainties (Narrative) (Details) Sheet http://www.calmaine.com/role/RisksAndUncertaintiesNarrativeDetails Risks and Uncertainties (Narrative) (Details) Details http://www.calmaine.com/role/RisksAndUncertainties 16 false false R17.htm 040601 - Disclosure - Party-in-Interest Transactions (Narrative) (Details) Sheet http://www.calmaine.com/role/PartyinInterestTransactionsNarrativeDetails Party-in-Interest Transactions (Narrative) (Details) Details http://www.calmaine.com/role/PartyinInterestTransactions 17 false false R18.htm 040901 - Schedule - Schedule of Assets (Schedule of Assets (Held at End of Year) I) (Details) Sheet http://www.calmaine.com/role/ScheduleOfAssetsScheduleOfAssetsHeldAtEndOfYearIDetails Schedule of Assets (Schedule of Assets (Held at End of Year) I) (Details) Details http://www.calmaine.com/role/ScheduleOfAssets 18 false false R19.htm 040902 - Schedule - Schedule of Assets (Schedule of Assets (Held at End of Year) II) (Details) Sheet http://www.calmaine.com/role/ScheduleOfAssetsScheduleOfAssetsHeldAtEndOfYearIIDetails Schedule of Assets (Schedule of Assets (Held at End of Year) II) (Details) Details http://www.calmaine.com/role/ScheduleOfAssets 19 false false R20.htm 040903 - Schedule - Schedule of Assets (Schedule of Assets (Held at End of Year) III) (Details) Sheet http://www.calmaine.com/role/ScheduleOfAssetsScheduleOfAssetsHeldAtEndOfYearIIIDetails Schedule of Assets (Schedule of Assets (Held at End of Year) III) (Details) Details http://www.calmaine.com/role/ScheduleOfAssets 20 false false All Reports Book All Reports calm-20251231.xsd calm-20251231_cal.xml calm-20251231_def.xml calm-20251231_lab.xml calm-20251231_pre.xml calm-fy2511k.htm http://fasb.org/us-gaap-ebp/2025 http://fasb.org/us-gaap/2025 http://xbrl.sec.gov/dei/2025 true true