Summary of Significant Accounting Policies (Narrative) (Details) - USD ($)	3 Months Ended
	Aug. 27, 2022	Nov. 27, 2021	Aug. 28, 2021	May 28, 2022	May 30, 2021
Significant Accounting Policies [Line Items]
Fiscal period duration	91 days		91 days
Reserves for credit losses	$ 716,000			$ 775,000
Cost of sales	440,854,000		$ 318,341,000
Operating Income Loss	163,850,000		(39,667,000)
Net income (loss)	125,134,000		(18,026,000)
Red River Valley Egg Farm Llc [Member]
Significant Accounting Policies [Line Items]
Business acquisition, percentage of voting interest acquired					50.00%
Revision of Prior Period, Error Correction, Adjustment [Member]
Significant Accounting Policies [Line Items]
Cost of sales		$ 9,200,000	6,700,000
Operating Income Loss		0	0
Net income (loss)		$ 0	0
Retained Earnings [Member]
Significant Accounting Policies [Line Items]
Net income (loss)	$ 125,287,000		$ (18,026,000)