XML 112 R95.htm IDEA: XBRL DOCUMENT v3.22.0.1
Stock Options, Other Stock Awards and Warrants - Schedule of Share-based Payment Award (Details) - Share-based Payment Arrangement, Option
12 Months Ended
Dec. 26, 2021
Dec. 27, 2020
Dec. 29, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Risk-free interest rate 0.50% 1.38% 2.47%
Expected dividend yield 3.01% 2.81% 3.14%
Expected volatility 38.00% 30.00% 27.00%
Expected option life (in years) 4 years 4 years 4 years