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Average Shares Outstanding (Details) - USD ($)
shares in Thousands, $ in Thousands
3 Months Ended
Apr. 03, 2020
Apr. 05, 2019
Mar. 31, 2020
Mar. 31, 2019
Average Shares Outstanding        
Stock purchases (in shares)     260 285
Purchase of common shares     $ 8,809 $ 10,519
Stock dividends (as a percent)     3.00% 3.00%
Stock dividend shares distributed 1,942 1,914