Quarterly report pursuant to Section 13 or 15(d)

Consolidated Condensed Statements of Stockholders' Equity Statements of Stockholders' Equity (Parenthetical)

v3.20.2
Consolidated Condensed Statements of Stockholders' Equity Statements of Stockholders' Equity (Parenthetical) - $ / shares
 3 Months Ended 9 Months Ended
Sep. 26, 2020
Sep. 28, 2019
Sep. 26, 2020
Sep. 28, 2019
Retained Earnings        
Common Stock, Dividends, Per Share, Declared $ 0.66 $ 0.63 $ 1.32 $ 1.26