XML 99 R82.htm IDEA: XBRL DOCUMENT v3.21.2
Stock-based Compensation Plans (Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions) (Details) - Equity Option
Jan. 27, 2021
Dec. 02, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Risk-free interest rate 0.66% 0.66%
Dividend yield 2.01% 2.01%
Expected life (years) 6 years 6 years