Equity (Summary of Equity Activity) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Nov. 26, 2022	Nov. 27, 2021	Nov. 26, 2022	Nov. 27, 2021
Beginning balance	$ 1,187,963	$ 995,567	$ 1,104,345	$ 1,012,781
Other comprehensive loss, net of tax	(737)	(268)	(1,491)	(438)
Stock compensation plan transactions	987	976	1,967	1,958
Contributions		3		3
Net income (loss)	198,294	1,145	323,428	(16,881)
Ending balance	$ 1,320,305	997,423	$ 1,320,305	997,423
Dividends per common share (in dollars per share)	$ 1.353		$ 2.206
Common Stock [Member]
Beginning balance	$ 703	703	$ 703	703
Ending balance	703	703	703	703
Treasury Stock [Member]
Beginning balance	(28,495)	(27,451)	(28,447)	(27,433)
Stock compensation plan transactions	(1)	1	(49)	(17)
Ending balance	(28,496)	(27,450)	(28,496)	(27,450)
Paid In Capital [Member]
Beginning balance	69,017	65,044	67,989	64,044
Stock compensation plan transactions	988	975	2,016	1,975
Ending balance	70,005	66,019	70,005	66,019
Accum. Other Comp. Loss [Member]
Beginning balance	(2,350)	(728)	(1,596)	(558)
Other comprehensive loss, net of tax	(737)	(268)	(1,491)	(438)
Ending balance	(3,087)	(996)	(3,087)	(996)
Retained Earnings [Member]
Beginning balance	1,149,399	957,951	1,065,854	975,977
Net income (loss)	198,587	1,173	323,874	(16,853)
Ending balance	1,281,784	959,124	1,281,784	959,124
Noncontrolling Interest [Member]
Beginning balance	(359)	0	(206)	0
Contributions		3		3
Net income (loss)	(293)	(28)	(446)	(28)
Ending balance	(652)	(25)	(652)	(25)
Common Stock [Member]
Dividends	(59,708)		(97,355)
Common Stock [Member] | Retained Earnings [Member]
Dividends	(59,708)		(97,355)
Class A Common Stock [Member]
Dividends	(6,494)		(10,589)
Class A Common Stock [Member] | Common Stock [Member]
Beginning balance	48	48	48	48
Ending balance	48	$ 48	48	$ 48
Class A Common Stock [Member] | Retained Earnings [Member]
Dividends	$ (6,494)		$ (10,589)