Income Taxes (Schedule Of Effective Income Tax Rate Reconciliation) (Details)	12 Months Ended
	May 30, 2020	May 25, 2019	May 26, 2018
Income Taxes [Abstract]
Statutory tax rate	21.00%	21.00%	29.40%
State taxes, net of federal benefit	3.60%	4.90%	7.90%
Non-U.S. rate adjustments	0.90%	1.30%	(0.80%)
Stock-based compensation	3.20%	2.80%	4.50%
Long-term net capital gains		(6.10%)	10.10%
Foreign tax credit		9.30%	(16.50%)
Valuation allowance	4.10%	(2.80%)	(4.30%)
Global Intangible Low-Taxed Income ("GILTI")	0.90%	1.10%
Worthless Stock Deduction	14.80%
Worthless Debt Deduction	2.60%
FIN48	1.60%
Permanent items, primarily meals and entertainment	2.00%	1.40%	3.20%
Deferred tax impact of U.S. federal rate changes		0.10%	(2.80%)
Deferred tax impact of foreign rate changes	(0.20%)	1.20%	3.90%
Other, net		0.20%	0.20%
Effective tax rate	19.70%	34.40%	34.80%