XML 95 R84.htm IDEA: XBRL DOCUMENT v3.20.1
Stock-based Compensation and Other Stock Plans - Stock-Settled SARs, Summary of Weighted-Average Assumptions of Fair Value Granted Using Black-Scholes Valuation Model (Details) - Stock-Settled SARs
3 Months Ended
Mar. 28, 2020
Mar. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected term (in years) 3 years 9 months 3 years 7 months 24 days
Expected volatility factor 22.50% 22.60%
Expected dividend yield 2.78% 1.81%
Risk-free interest rate 1.42% 2.48%