Summary of Significant Accounting Policies (Narrative) (Details) $ in Thousands	12 Months Ended
	May 28, 2022 USD ($) Item	May 29, 2021 USD ($) Item	May 30, 2020 USD ($)	May 30, 2021	Jun. 01, 2019 USD ($)
Significant Accounting Policies [Line Items]
Fiscal period duration	364 days
Checks outstanding in excess of related book cash balances	$ 7,500
Reserves for credit losses	775	$ 795
Advertising expense	$ 12,600	11,700	$ 9,000
Flock costs, cost accumulation period	154 days
Stockholders' equity	$ 1,104,551	1,012,781
Stockholders' equity	1,104,345	1,012,781	1,009,675		$ 989,806
Red River Valley Egg Farm Llc [Member]
Significant Accounting Policies [Line Items]
Business acquisition, percentage of voting interest acquired				50.00%
Restatement Adjustment [Member]
Significant Accounting Policies [Line Items]
Stockholders' equity			422
Retained Earnings [Member]
Significant Accounting Policies [Line Items]
Stockholders' equity	$ 1,065,854	$ 975,977	975,147		$ 954,527
Retained Earnings [Member] | Restatement Adjustment [Member]
Significant Accounting Policies [Line Items]
Stockholders' equity			$ 422
Accounts Receivable
Significant Accounting Policies [Line Items]
Number of major customers | Item	1	1
Customer Concentration Risk [Member] | Accounts Receivable | One Customer [Member]
Significant Accounting Policies [Line Items]
Concentration risk, percentage	27.90%	23.80%
Minimum [Member]
Significant Accounting Policies [Line Items]
Intangible assets estimated useful life	5 years
Flock costs, amortization period	1 year
Maximum [Member]
Significant Accounting Policies [Line Items]
Intangible assets estimated useful life	15 years
Flock costs, amortization period	2 years
Buildings and Improvements [Member] | Minimum [Member]
Significant Accounting Policies [Line Items]
Property, plant and equipment useful life	15 years
Buildings and Improvements [Member] | Maximum [Member]
Significant Accounting Policies [Line Items]
Property, plant and equipment useful life	25 years
Machinery and Equipment [Member] | Minimum [Member]
Significant Accounting Policies [Line Items]
Property, plant and equipment useful life	3 years
Machinery and Equipment [Member] | Maximum [Member]
Significant Accounting Policies [Line Items]
Property, plant and equipment useful life	12 years