Credit Facility (Narrative) (Details) - USD ($)	12 Months Ended
Credit Facility (Narrative) (Details) - USD ($)	May 31, 2025	Jun. 01, 2024	Jun. 03, 2023
Line Of Credit Facility [Line Items]
Interest costs incurred	$ 612,000	$ 549,000	$ 583,000
Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Maximum borrowing capacity	250,000,000
Available additional capacity	200,000,000
Amount outstanding	$ 0	$ 0
Interest period	1 month
Floor rate	0.00%
Maximum total funded debt to capitalization ratio	50.00%
Minimum tangible net worth, amount	$ 700,000,000
Minimum tangible net worth, percentage of net income	50.00%
Credit facility benchmark in computing dividend payments	$ 50,000,000
Credit Agreement [Member] \| Minimum [Member]
Line Of Credit Facility [Line Items]
Commitment fee	0.15%
Credit Agreement [Member] \| Maximum [Member]
Line Of Credit Facility [Line Items]
Commitment fee	0.25%
Credit Agreement [Member] \| Base Rate [Member] \| Minimum [Member]
Line Of Credit Facility [Line Items]
Basis spread on variable rate	0.00%
Credit Agreement [Member] \| Base Rate [Member] \| Maximum [Member]
Line Of Credit Facility [Line Items]
Basis spread on variable rate	0.75%
Credit Agreement [Member] \| Base Rate, Federal Funds [Member]
Line Of Credit Facility [Line Items]
Basis spread on variable rate	0.50%
Credit Agreement [Member] \| SOFR [Member]
Line Of Credit Facility [Line Items]
Basis spread on variable rate	0.10%
Credit Agreement [Member] \| SOFR [Member] \| Minimum [Member]
Line Of Credit Facility [Line Items]
Basis spread on variable rate	1.00%
Credit Agreement [Member] \| SOFR [Member] \| Maximum [Member]
Line Of Credit Facility [Line Items]
Basis spread on variable rate	1.75%
Credit Agreement [Member] \| SOFR, One Month [Member] [Member]
Line Of Credit Facility [Line Items]
Basis spread on variable rate	1.00%
Credit Agreement [Member] \| Standby Letters of Credit [Member]
Line Of Credit Facility [Line Items]
Maximum borrowing capacity	$ 15,000,000
Amount outstanding	4,700,000
Credit Agreement [Member] \| Swingline [Member]
Line Of Credit Facility [Line Items]
Maximum borrowing capacity	$ 15,000,000

CAL-MAINE FOODS INC 10-K