Inventories (Narrative) (Details) pullet_and_breeder in Millions, Layers in Millions, $ in Millions	Jun. 03, 2023 Layers pullet_and_breeder	May 28, 2022 USD ($)
Inventories [Abstract]
Pullets and breeders	10.8	11.5
Layers	41.2	42.2

Agricultural Related Inventory, Pullets and Breeders

No definition available.

Name:	calm_AgriculturalRelatedInventoryPulletsandBreeders
Namespace Prefix:	calm_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant