Commitments and Contingencies (Narrative) (Details)							3 Months Ended	6 Months Ended
	Dec. 09, 2025 USD ($)	Nov. 06, 2025 Item	Jul. 09, 2025 USD ($)	Nov. 06, 2024 USD ($)	Dec. 01, 2023 USD ($)	Apr. 23, 2020 USD ($)	Nov. 30, 2024 USD ($)	Nov. 29, 2025 USD ($)	Dec. 17, 2024 USD ($)
Benton County Foods [Member]
Loss Contingencies [Line Items]
Ownership interest								100.00%
Kraft Foods Global, Inc. et al. v. United Egg Producers, Inc. et al [Member]
Loss Contingencies [Line Items]
Amount awarded to other party					$ 17,800,000
Treble damages								$ 43,600,000
Settlement accrual							$ 19,600,000
State of Oklahoma v. Cal-Maine Foods, Inc. d/b/a Watershed Pollution Litigation [Member]
Loss Contingencies [Line Items]
Damages sought			$ 18,200,000
State of Oklahoma v. Cal-Maine Foods, Inc. d/b/a Watershed Pollution Litigation [Member] | Subsequent Event [Member]
Loss Contingencies [Line Items]
Settlement accrual	$ 0
In Re Shell Eggs Litigation [Member]
Loss Contingencies [Line Items]
Number new lawsuits filed | Item		8
Pending Litigation | State of Texas v. Cal-Maine Foods, Inc. d/b/a Wharton; and Wharton County Foods, LLC [Member]
Loss Contingencies [Line Items]
Damages sought						$ 100,000		$ 1,000,000.0
Judicial Ruling [Member] | Kraft Foods Global, Inc. et al. v. United Egg Producers, Inc. et al [Member]
Loss Contingencies [Line Items]
Treble damages				$ 43,600,000
Judicial Ruling [Member] | Kraft Foods Global, Inc. et al. v. United Egg Producers, Inc. et al [Member] | Surety Bond [Member]
Loss Contingencies [Line Items]
Company posted bond, amount									$ 23,900,000
Judicial Ruling [Member] | State of Oklahoma v. Cal-Maine Foods, Inc. d/b/a Watershed Pollution Litigation [Member] | Subsequent Event [Member]
Loss Contingencies [Line Items]
Damages sought	$ 70,000