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Common Stock And Earnings Per Share (Narrative) (Details) - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 28, 2019 | Sep. 29, 2018 | Sep. 28, 2019 | Sep. 29, 2018
Common Stock And Earnings Per Share [Abstract] |  |  |  |
Shares repurchased and retired | 1,358 | 178 | 2,009 | 217
Repurchase of common stock | $ 92,377 | $ 22,647 | $ 150,000 | $ 25,590
Remaining approved repurchase amount | $ 30,000 |  | $ 30,000 |

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- Definition Amount remaining of a stock repurchase plan authorized. + References No definition available. + Details
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