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Stockholders' Equity (Narrative) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 28, 2020 | Mar. 29, 2020 | Jun. 30, 2019 | Mar. 31, 2019 | Jun. 28, 2020 | Jun. 30, 2019
Stockholders Equity Note [Abstract] |  |  |  |  |  |
Shares remaining authorized for repurchase (in shares) | 2,700,000 |  |  |  | 2,700,000 |
Stock repurchased (in shares) |  |  |  |  | 900,000 | 1,000,000.0
Cost of stock repurchased | $ 7,500 | $ 15,008 | $ 16,980 | $ 15,000 | $ 22,500 | $ 32,000
RSU withholdings (in shares) |  |  |  |  | 149,000 | 168,000
RSU withholdings |  |  |  |  | $ 3,607 | $ 5,658

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