Segment disclosures

Company overview

CAL MAINE FOODS INC

Each reported dimension combination stays separate. Revenue and operating income are shown as reported, with their dates and sources.

Revenue · Reported segment facts

51 dimension combinations 222 retained observations 10 reported periods

Counts describe retained dimensioned rows only. Periods and members can change across reports, and this view does not infer missing values or expected segment totals.

Intersegment Elimination · Conventional Shell Egg

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=calm:ConventionalShellEggMember
PeriodValueUnitFiledEvidence
2026-05-31 – 2026-08-29-9824000 USD20260930Open filing evidence
2025-06-01 – 2026-05-30-38519000 USD20260722Open filing evidence
2025-06-01 – 2025-08-30-11910000 USD20260930Open filing evidence
2024-06-02 – 2025-05-31-52357000 USD20260722Open filing evidence
2023-06-04 – 2024-06-01-20389000 USD20260722Open filing evidence

Intersegment Elimination · Prepared Foods

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=calm:PreparedFoodsMember
PeriodValueUnitFiledEvidence
2026-05-31 – 2026-08-290 USD20260930Open filing evidence
2025-06-01 – 2025-08-300 USD20260930Open filing evidence

Intersegment Elimination · Specialty Shell Egg Sales

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=calm:SpecialtyShellEggSalesMember
PeriodValueUnitFiledEvidence
2026-05-31 – 2026-08-29-7820000 USD20260930Open filing evidence
2025-06-01 – 2025-08-30-6011000 USD20260930Open filing evidence

Operating Segments · Conventional Shell Egg

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=calm:ConventionalShellEggMember
PeriodValueUnitFiledEvidence
2026-05-31 – 2026-08-29201683000 USD20260930Open filing evidence
2025-06-01 – 2026-05-301348076000 USD20260722Open filing evidence
2025-06-01 – 2025-08-30498433000 USD20260930Open filing evidence
2024-06-02 – 2025-05-312755859000 USD20260722Open filing evidence
2023-06-04 – 2024-06-011247292000 USD20260722Open filing evidence

Operating Segments · Prepared Foods

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=calm:PreparedFoodsMember
PeriodValueUnitFiledEvidence
2026-05-31 – 2026-08-2962995000 USD20260930Open filing evidence
2025-06-01 – 2025-08-3072368000 USD20260930Open filing evidence

Operating Segments · Specialty Shell Egg Sales

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=calm:SpecialtyShellEggSalesMember
PeriodValueUnitFiledEvidence
2026-05-31 – 2026-08-29236932000 USD20260930Open filing evidence
2025-06-01 – 2025-08-30275590000 USD20260930Open filing evidence

Operating Segments · All Other Segments

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:AllOtherSegmentsMember
PeriodValueUnitFiledEvidence
2026-05-31 – 2026-08-2955641000 USD20260930Open filing evidence
2025-06-01 – 2026-05-30308045000 USD20260722Open filing evidence
2025-06-01 – 2025-08-3094132000 USD20260930Open filing evidence
2024-06-02 – 2025-05-31427732000 USD20260722Open filing evidence
2023-06-04 – 2024-06-01236243000 USD20260722Open filing evidence

Operating Segments · Reportable Segment Aggregation Before Other Operating Segment

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:ReportableSegmentAggregationBeforeOtherOperatingSegmentMember
PeriodValueUnitFiledEvidence
2026-05-31 – 2026-08-29501610000 USD20260930Open filing evidence
2025-06-01 – 2026-05-302663336000 USD20260722Open filing evidence
2025-06-01 – 2025-08-30846391000 USD20260930Open filing evidence
2024-06-02 – 2025-05-313914860000 USD20260722Open filing evidence
2023-06-04 – 2024-06-012120911000 USD20260722Open filing evidence

Egg Products · Product And Sales Channel Segment

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=calm:EggProductsMember;us-gaap:StatementBusinessSegmentsAxis=calm:ProductAndSalesChannelSegmentMember
PeriodValueUnitFiledEvidence
2025-11-30 – 2026-02-2818360000 USD20260401Open filing evidence
2025-06-01 – 2026-02-2889998000 USD20260401Open filing evidence
2024-12-01 – 2025-03-0149267000 USD20260401Open filing evidence
2024-06-02 – 2025-03-01105716000 USD20260401Open filing evidence

Non Specialty Shell Egg Sales · Product And Sales Channel Segment

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=calm:NonSpecialtyShellEggSalesMember;us-gaap:StatementBusinessSegmentsAxis=calm:ProductAndSalesChannelSegmentMember
PeriodValueUnitFiledEvidence
2025-11-30 – 2026-02-28283173000 USD20260401Open filing evidence
2025-06-01 – 2026-02-281152979000 USD20260401Open filing evidence
2024-12-01 – 2025-03-011016438000 USD20260401Open filing evidence
2024-06-02 – 2025-03-012118065000 USD20260401Open filing evidence

Other · Product And Sales Channel Segment

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=calm:OtherMember;us-gaap:StatementBusinessSegmentsAxis=calm:ProductAndSalesChannelSegmentMember
PeriodValueUnitFiledEvidence
2025-11-30 – 2026-02-2812651000 USD20260401Open filing evidence
2025-06-01 – 2026-02-2838563000 USD20260401Open filing evidence
2024-12-01 – 2025-03-0111279000 USD20260401Open filing evidence
2024-06-02 – 2025-03-0130621000 USD20260401Open filing evidence

Prepared Foods · Product And Sales Channel Segment

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=calm:PreparedFoodsMember;us-gaap:StatementBusinessSegmentsAxis=calm:ProductAndSalesChannelSegmentMember
PeriodValueUnitFiledEvidence
2025-11-30 – 2026-02-2863626000 USD20260401Open filing evidence
2025-06-01 – 2026-02-28219212000 USD20260401Open filing evidence
2024-12-01 – 2025-03-0111757000 USD20260401Open filing evidence
2024-06-02 – 2025-03-0131134000 USD20260401Open filing evidence

Specialty Shell Egg Sales · Product And Sales Channel Segment

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=calm:SpecialtyShellEggSalesMember;us-gaap:StatementBusinessSegmentsAxis=calm:ProductAndSalesChannelSegmentMember
PeriodValueUnitFiledEvidence
2025-11-30 – 2026-02-28289141000 USD20260401Open filing evidence
2025-06-01 – 2026-02-28858299000 USD20260401Open filing evidence
2024-12-01 – 2025-03-01328944000 USD20260401Open filing evidence
2024-06-02 – 2025-03-01872691000 USD20260401Open filing evidence

Food And Beverage · Conventional Shell Egg

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=us-gaap:FoodAndBeverageMember;us-gaap:StatementBusinessSegmentsAxis=calm:ConventionalShellEggMember
PeriodValueUnitFiledEvidence
2026-05-31 – 2026-08-2925600000 USD20260930Open filing evidence
2025-06-01 – 2026-05-30193614000 USD20260722Open filing evidence
2025-06-01 – 2025-08-3069958000 USD20260930Open filing evidence
2024-06-02 – 2025-05-31424133000 USD20260722Open filing evidence
2023-06-04 – 2024-06-01210423000 USD20260722Open filing evidence

Food And Beverage · Prepared Foods

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=us-gaap:FoodAndBeverageMember;us-gaap:StatementBusinessSegmentsAxis=calm:PreparedFoodsMember
PeriodValueUnitFiledEvidence
2026-05-31 – 2026-08-2920129000 USD20260930Open filing evidence
2025-06-01 – 2026-05-30104157000 USD20260722Open filing evidence
2025-06-01 – 2025-08-3031265000 USD20260930Open filing evidence
2024-06-02 – 2025-05-310 USD20260722Open filing evidence

Food And Beverage · Product And Sales Channel Segment

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=us-gaap:FoodAndBeverageMember;us-gaap:StatementBusinessSegmentsAxis=calm:ProductAndSalesChannelSegmentMember
PeriodValueUnitFiledEvidence
2025-11-30 – 2026-02-2894389000 USD20260401Open filing evidence
2025-06-01 – 2026-02-28371410000 USD20260401Open filing evidence
2025-06-01 – 2025-11-29277021000 USD20260107Open filing evidence
2025-06-01 – 2025-08-30152085000 USD20251001Open filing evidence
2024-12-01 – 2025-03-01207315000 USD20260401Open filing evidence
2024-06-02 – 2025-03-01451040000 USD20260401Open filing evidence
2024-06-02 – 2024-11-30243725000 USD20260107Open filing evidence
2024-06-02 – 2024-08-31109845000 USD20251001Open filing evidence

Food And Beverage · Specialty Shell Egg Sales

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=us-gaap:FoodAndBeverageMember;us-gaap:StatementBusinessSegmentsAxis=calm:SpecialtyShellEggSalesMember
PeriodValueUnitFiledEvidence
2026-05-31 – 2026-08-2918396000 USD20260930Open filing evidence
2025-06-01 – 2026-05-3092343000 USD20260722Open filing evidence
2025-06-01 – 2025-08-3026266000 USD20260930Open filing evidence
2024-06-02 – 2025-05-3198508000 USD20260722Open filing evidence
2023-06-04 – 2024-06-0125879000 USD20260722Open filing evidence

Food And Beverage · All Other Segments

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=us-gaap:FoodAndBeverageMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:AllOtherSegmentsMember
PeriodValueUnitFiledEvidence
2026-05-31 – 2026-08-292069000 USD20260930Open filing evidence
2025-06-01 – 2026-05-3060269000 USD20260722Open filing evidence
2025-06-01 – 2025-08-302667000 USD20260930Open filing evidence
2024-06-02 – 2025-05-3189347000 USD20260722Open filing evidence
2023-06-04 – 2024-06-0136972000 USD20260722Open filing evidence

Retail · Conventional Shell Egg

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=us-gaap:RetailMember;us-gaap:StatementBusinessSegmentsAxis=calm:ConventionalShellEggMember
PeriodValueUnitFiledEvidence
2026-05-31 – 2026-08-29161604000 USD20260930Open filing evidence
2025-06-01 – 2026-05-301099245000 USD20260722Open filing evidence
2025-06-01 – 2025-08-30407244000 USD20260930Open filing evidence
2024-06-02 – 2025-05-312247913000 USD20260722Open filing evidence
2023-06-04 – 2024-06-011007282000 USD20260722Open filing evidence

Retail · Prepared Foods

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=us-gaap:RetailMember;us-gaap:StatementBusinessSegmentsAxis=calm:PreparedFoodsMember
PeriodValueUnitFiledEvidence
2026-05-31 – 2026-08-2937236000 USD20260930Open filing evidence
2025-06-01 – 2026-05-3092031000 USD20260722Open filing evidence
2025-06-01 – 2025-08-3021593000 USD20260930Open filing evidence
2024-06-02 – 2025-05-314050000 USD20260722Open filing evidence

Retail · Product And Sales Channel Segment

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=us-gaap:RetailMember;us-gaap:StatementBusinessSegmentsAxis=calm:ProductAndSalesChannelSegmentMember
PeriodValueUnitFiledEvidence
2025-11-30 – 2026-02-28560843000 USD20260401Open filing evidence
2025-06-01 – 2026-02-281925993000 USD20260401Open filing evidence
2025-06-01 – 2025-11-291365150000 USD20260107Open filing evidence
2025-06-01 – 2025-08-30739787000 USD20251001Open filing evidence
2024-12-01 – 2025-03-011199697000 USD20260401Open filing evidence
2024-06-02 – 2025-03-012679826000 USD20260401Open filing evidence
2024-06-02 – 2024-11-301480129000 USD20260107Open filing evidence
2024-06-02 – 2024-08-31669709000 USD20251001Open filing evidence

Retail · Specialty Shell Egg Sales

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=us-gaap:RetailMember;us-gaap:StatementBusinessSegmentsAxis=calm:SpecialtyShellEggSalesMember
PeriodValueUnitFiledEvidence
2026-05-31 – 2026-08-29208611000 USD20260930Open filing evidence
2025-06-01 – 2026-05-30952556000 USD20260722Open filing evidence
2025-06-01 – 2025-08-30241110000 USD20260930Open filing evidence
2024-06-02 – 2025-05-311022253000 USD20260722Open filing evidence
2023-06-04 – 2024-06-01835826000 USD20260722Open filing evidence

Retail · All Other Segments

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=us-gaap:RetailMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:AllOtherSegmentsMember
PeriodValueUnitFiledEvidence
2026-05-31 – 2026-08-2935367000 USD20260930Open filing evidence
2025-06-01 – 2026-05-30245415000 USD20260722Open filing evidence
2025-06-01 – 2025-08-3060536000 USD20260930Open filing evidence
2024-06-02 – 2025-05-31337489000 USD20260722Open filing evidence
2023-06-04 – 2024-06-01198943000 USD20260722Open filing evidence

Service Other · Conventional Shell Egg

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=us-gaap:ServiceOtherMember;us-gaap:StatementBusinessSegmentsAxis=calm:ConventionalShellEggMember
PeriodValueUnitFiledEvidence
2026-05-31 – 2026-08-293553000 USD20260930Open filing evidence
2025-06-01 – 2026-05-3016698000 USD20260722Open filing evidence
2025-06-01 – 2025-08-307979000 USD20260930Open filing evidence
2024-06-02 – 2025-05-3131456000 USD20260722Open filing evidence
2023-06-04 – 2024-06-019198000 USD20260722Open filing evidence

Service Other · Prepared Foods

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=us-gaap:ServiceOtherMember;us-gaap:StatementBusinessSegmentsAxis=calm:PreparedFoodsMember
PeriodValueUnitFiledEvidence
2026-05-31 – 2026-08-290 USD20260930Open filing evidence
2025-06-01 – 2026-05-3048614000 USD20260722Open filing evidence
2025-06-01 – 2025-08-300 USD20260930Open filing evidence
2024-06-02 – 2025-05-310 USD20260722Open filing evidence

Service Other · Product And Sales Channel Segment

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=us-gaap:ServiceOtherMember;us-gaap:StatementBusinessSegmentsAxis=calm:ProductAndSalesChannelSegmentMember
PeriodValueUnitFiledEvidence
2025-11-30 – 2026-02-2811719000 USD20260401Open filing evidence
2025-06-01 – 2026-02-2861648000 USD20260401Open filing evidence
2025-06-01 – 2025-11-2949929000 USD20260107Open filing evidence
2025-06-01 – 2025-08-3030730000 USD20251001Open filing evidence
2024-12-01 – 2025-03-0110673000 USD20260401Open filing evidence
2024-06-02 – 2025-03-0127361000 USD20260401Open filing evidence
2024-06-02 – 2024-11-3016688000 USD20260107Open filing evidence
2024-06-02 – 2024-08-316317000 USD20251001Open filing evidence

Service Other · Specialty Shell Egg Sales

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=us-gaap:ServiceOtherMember;us-gaap:StatementBusinessSegmentsAxis=calm:SpecialtyShellEggSalesMember
PeriodValueUnitFiledEvidence
2026-05-31 – 2026-08-292096000 USD20260930Open filing evidence
2025-06-01 – 2026-05-304329000 USD20260722Open filing evidence
2025-06-01 – 2025-08-301924000 USD20260930Open filing evidence
2024-06-02 – 2025-05-315840000 USD20260722Open filing evidence
2023-06-04 – 2024-06-011592000 USD20260722Open filing evidence

Service Other · All Other Segments

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=us-gaap:ServiceOtherMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:AllOtherSegmentsMember
PeriodValueUnitFiledEvidence
2026-05-31 – 2026-08-29117000 USD20260930Open filing evidence
2025-06-01 – 2026-05-302361000 USD20260722Open filing evidence
2025-06-01 – 2025-08-3060000 USD20260930Open filing evidence
2024-06-02 – 2025-05-31896000 USD20260722Open filing evidence
2023-06-04 – 2024-06-01328000 USD20260722Open filing evidence

Conventional Shell Egg

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=calm:ConventionalShellEggMember
PeriodValueUnitFiledEvidence
2026-05-31 – 2026-08-29191859000 USD20260930Open filing evidence
2025-06-01 – 2026-05-301309557000 USD20260722Open filing evidence
2025-06-01 – 2025-08-30486523000 USD20260930Open filing evidence
2024-06-02 – 2025-05-312703502000 USD20260722Open filing evidence
2023-06-04 – 2024-06-011226903000 USD20260722Open filing evidence

Conventional Shell Egg · Industrial

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=calm:ConventionalShellEggMember;srt:ProductOrServiceAxis=calm:IndustrialMember
PeriodValueUnitFiledEvidence
2026-05-31 – 2026-08-291102000 USD20260930Open filing evidence
2025-06-01 – 2025-08-301342000 USD20260930Open filing evidence

Prepared Foods

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=calm:PreparedFoodsMember
PeriodValueUnitFiledEvidence
2026-05-31 – 2026-08-2962995000 USD20260930Open filing evidence
2025-06-01 – 2026-05-30244802000 USD20260722Open filing evidence
2025-06-01 – 2025-08-3072368000 USD20260930Open filing evidence
2024-06-02 – 2025-05-314050000 USD20260722Open filing evidence

Prepared Foods · Intersegment Elimination

Statement Business Segments · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=calm:PreparedFoodsMember;srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember
PeriodValueUnitFiledEvidence
2025-06-01 – 2026-05-300 USD20260722Open filing evidence
2024-06-02 – 2025-05-310 USD20260722Open filing evidence

Prepared Foods · Operating Segments

Statement Business Segments · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=calm:PreparedFoodsMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2025-06-01 – 2026-05-30244802000 USD20260722Open filing evidence
2024-06-02 – 2025-05-314050000 USD20260722Open filing evidence

Prepared Foods · Industrial

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=calm:PreparedFoodsMember;srt:ProductOrServiceAxis=calm:IndustrialMember
PeriodValueUnitFiledEvidence
2026-05-31 – 2026-08-295630000 USD20260930Open filing evidence
2025-06-01 – 2025-08-3019510000 USD20260930Open filing evidence

Product And Sales Channel Segment

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=calm:ProductAndSalesChannelSegmentMember
PeriodValueUnitFiledEvidence
2025-11-30 – 2026-02-28666951000 USD20260401Open filing evidence
2025-06-01 – 2026-02-282359051000 USD20260401Open filing evidence
2025-08-31 – 2025-11-29769498000 USD20260107Open filing evidence
2025-06-01 – 2025-11-291692100000 USD20260107Open filing evidence
2025-06-01 – 2025-08-30922602000 USD20251001Open filing evidence
2024-12-01 – 2025-03-011417685000 USD20260401Open filing evidence
2024-06-02 – 2025-03-013158227000 USD20260401Open filing evidence
2024-09-01 – 2024-11-30954671000 USD20260107Open filing evidence
2024-06-02 – 2024-11-301740542000 USD20260107Open filing evidence
2024-06-02 – 2024-08-31785871000 USD20251001Open filing evidence

Product And Sales Channel Segment · Egg Products

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=calm:ProductAndSalesChannelSegmentMember;srt:ProductOrServiceAxis=calm:EggProductsMember
PeriodValueUnitFiledEvidence
2025-08-31 – 2025-11-2934531000 USD20260107Open filing evidence
2025-06-01 – 2025-11-2971638000 USD20260107Open filing evidence
2025-06-01 – 2025-08-3037107000 USD20251001Open filing evidence
2024-09-01 – 2024-11-3030212000 USD20260107Open filing evidence
2024-06-02 – 2024-11-3056449000 USD20260107Open filing evidence
2024-06-02 – 2024-08-3126237000 USD20251001Open filing evidence

Product And Sales Channel Segment · Non Specialty Shell Egg Sales

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=calm:ProductAndSalesChannelSegmentMember;srt:ProductOrServiceAxis=calm:NonSpecialtyShellEggSalesMember
PeriodValueUnitFiledEvidence
2025-08-31 – 2025-11-29363865000 USD20260107Open filing evidence
2025-06-01 – 2025-11-29869806000 USD20260107Open filing evidence
2025-06-01 – 2025-08-30505941000 USD20251001Open filing evidence
2024-09-01 – 2024-11-30616891000 USD20260107Open filing evidence
2024-06-02 – 2024-11-301101627000 USD20260107Open filing evidence
2024-06-02 – 2024-08-31484736000 USD20251001Open filing evidence

Product And Sales Channel Segment · Other

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=calm:ProductAndSalesChannelSegmentMember;srt:ProductOrServiceAxis=calm:OtherMember
PeriodValueUnitFiledEvidence
2025-08-31 – 2025-11-2913750000 USD20260107Open filing evidence
2025-06-01 – 2025-11-2925912000 USD20260107Open filing evidence
2025-06-01 – 2025-08-3012162000 USD20251001Open filing evidence
2024-09-01 – 2024-11-3010159000 USD20260107Open filing evidence
2024-06-02 – 2024-11-3019342000 USD20260107Open filing evidence
2024-06-02 – 2024-08-319183000 USD20251001Open filing evidence

Product And Sales Channel Segment · Prepared Foods

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=calm:ProductAndSalesChannelSegmentMember;srt:ProductOrServiceAxis=calm:PreparedFoodsMember
PeriodValueUnitFiledEvidence
2025-08-31 – 2025-11-2971650000 USD20260107Open filing evidence
2025-06-01 – 2025-11-29155586000 USD20260107Open filing evidence
2025-06-01 – 2025-08-3083936000 USD20251001Open filing evidence
2024-09-01 – 2024-11-3010439000 USD20260107Open filing evidence
2024-06-02 – 2024-11-3019377000 USD20260107Open filing evidence
2024-06-02 – 2024-08-318938000 USD20251001Open filing evidence

Product And Sales Channel Segment · Specialty Shell Egg Sales

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=calm:ProductAndSalesChannelSegmentMember;srt:ProductOrServiceAxis=calm:SpecialtyShellEggSalesMember
PeriodValueUnitFiledEvidence
2025-08-31 – 2025-11-29285702000 USD20260107Open filing evidence
2025-06-01 – 2025-11-29569158000 USD20260107Open filing evidence
2025-06-01 – 2025-08-30283456000 USD20251001Open filing evidence
2024-09-01 – 2024-11-30286970000 USD20260107Open filing evidence
2024-06-02 – 2024-11-30543747000 USD20260107Open filing evidence
2024-06-02 – 2024-08-31256777000 USD20251001Open filing evidence

Product And Sales Channel Segment · Food And Beverage

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=calm:ProductAndSalesChannelSegmentMember;srt:ProductOrServiceAxis=us-gaap:FoodAndBeverageMember
PeriodValueUnitFiledEvidence
2025-08-31 – 2025-11-29124936000 USD20260107Open filing evidence
2024-09-01 – 2024-11-30133880000 USD20260107Open filing evidence

Product And Sales Channel Segment · Retail

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=calm:ProductAndSalesChannelSegmentMember;srt:ProductOrServiceAxis=us-gaap:RetailMember
PeriodValueUnitFiledEvidence
2025-08-31 – 2025-11-29625363000 USD20260107Open filing evidence
2024-09-01 – 2024-11-30810420000 USD20260107Open filing evidence

Product And Sales Channel Segment · Service Other

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=calm:ProductAndSalesChannelSegmentMember;srt:ProductOrServiceAxis=us-gaap:ServiceOtherMember
PeriodValueUnitFiledEvidence
2025-08-31 – 2025-11-2919199000 USD20260107Open filing evidence
2024-09-01 – 2024-11-3010371000 USD20260107Open filing evidence

Specialty Shell Egg Sales

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=calm:SpecialtyShellEggSalesMember
PeriodValueUnitFiledEvidence
2026-05-31 – 2026-08-29229112000 USD20260930Open filing evidence
2025-06-01 – 2026-05-301049228000 USD20260722Open filing evidence
2025-06-01 – 2025-08-30269579000 USD20260930Open filing evidence
2024-06-02 – 2025-05-311126601000 USD20260722Open filing evidence
2023-06-04 – 2024-06-01863297000 USD20260722Open filing evidence

Specialty Shell Egg Sales · Intersegment Elimination

Statement Business Segments · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=calm:SpecialtyShellEggSalesMember;srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember
PeriodValueUnitFiledEvidence
2025-06-01 – 2026-05-30-21230000 USD20260722Open filing evidence
2024-06-02 – 2025-05-31-28350000 USD20260722Open filing evidence
2023-06-04 – 2024-06-01-10322000 USD20260722Open filing evidence

Specialty Shell Egg Sales · Operating Segments

Statement Business Segments · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=calm:SpecialtyShellEggSalesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2025-06-01 – 2026-05-301070458000 USD20260722Open filing evidence
2024-06-02 – 2025-05-311154951000 USD20260722Open filing evidence
2023-06-04 – 2024-06-01873619000 USD20260722Open filing evidence

Specialty Shell Egg Sales · Industrial

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=calm:SpecialtyShellEggSalesMember;srt:ProductOrServiceAxis=calm:IndustrialMember
PeriodValueUnitFiledEvidence
2026-05-31 – 2026-08-299000 USD20260930Open filing evidence
2025-06-01 – 2025-08-30279000 USD20260930Open filing evidence

All Other Segments

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=us-gaap:AllOtherSegmentsMember
PeriodValueUnitFiledEvidence
2026-05-31 – 2026-08-2955641000 USD20260930Open filing evidence
2025-06-01 – 2026-05-30308045000 USD20260722Open filing evidence
2025-06-01 – 2025-08-3094132000 USD20260930Open filing evidence
2024-06-02 – 2025-05-31427732000 USD20260722Open filing evidence
2023-06-04 – 2024-06-01236243000 USD20260722Open filing evidence

All Other Segments · Industrial

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=us-gaap:AllOtherSegmentsMember;srt:ProductOrServiceAxis=calm:IndustrialMember
PeriodValueUnitFiledEvidence
2026-05-31 – 2026-08-2918088000 USD20260930Open filing evidence
2025-06-01 – 2025-08-3030869000 USD20260930Open filing evidence

Reportable Segment Aggregation Before Other Operating Segment

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=us-gaap:ReportableSegmentAggregationBeforeOtherOperatingSegmentMember
PeriodValueUnitFiledEvidence
2026-05-31 – 2026-08-29483966000 USD20260930Open filing evidence
2025-06-01 – 2026-05-302603587000 USD20260722Open filing evidence
2025-06-01 – 2025-08-30828470000 USD20260930Open filing evidence
2024-06-02 – 2025-05-313834153000 USD20260722Open filing evidence
2023-06-04 – 2024-06-012090200000 USD20260722Open filing evidence

Reportable Segment Aggregation Before Other Operating Segment · Intersegment Elimination

Statement Business Segments · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=us-gaap:ReportableSegmentAggregationBeforeOtherOperatingSegmentMember;srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember
PeriodValueUnitFiledEvidence
2026-05-31 – 2026-08-29-17644000 USD20260930Open filing evidence
2025-06-01 – 2026-05-30-59749000 USD20260722Open filing evidence
2025-06-01 – 2025-08-30-17921000 USD20260930Open filing evidence
2024-06-02 – 2025-05-31-80707000 USD20260722Open filing evidence
2023-06-04 – 2024-06-01-30711000 USD20260722Open filing evidence