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Stock-Based Compensation Plans (Schedule Of Share-Based Payment Award, Valuation Assumptions) (Details)
12 Months Ended
May 30, 2020
May 25, 2019
May 26, 2018
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Expected volatility, minimum   31.60% 30.30%
Expected volatility, maximum   34.70% 34.50%
Risk-free interest rate, minimum   3.10% 2.10%
Risk-free interest rate, maximum   3.20% 2.40%
Expected dividends   3.20% 3.10%
Minimum [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Expected life 5 years 7 months 6 days 5 years 8 months 12 days 5 years 8 months 12 days
Maximum [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Expected life 8 years 1 month 6 days 8 years 3 months 18 days 8 years 2 months 12 days