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Stockholders' Equity (Share Repurchase Program) (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions | 3 Months Ended | 6 Months Ended | 9 Months Ended
--- | --- | --- | ---
Sep. 28, 2019 | Sep. 29, 2018 | Sep. 28, 2019 | Sep. 29, 2018 | Sep. 28, 2019
Stockholders' Equity Note [Abstract] |  |  |  |  |
Common stock repurchased | $ 30,001 | $ 54,997 | $ 70,001 | $ 94,997 | $ 30,000
Common stock approved under the share repurchase program | 200,000 |  | 200,000 |  | 200,000
Common stock available for repurchase | $ 170,000 |  | $ 170,000 |  | $ 170,000
Common stock repurchased (in shares) | 0.6 |  | 1.4 |  |
Average cost per share repurchased (in dollars per share) | $ 53.64 |  | $ 48.37 |  |

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