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Stock-Based Compensation (Tables) | 3 Months Ended
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Mar. 30, 2019
Stock-Based Compensation |
Schedule of stock-based compensation costs recognized in the Condensed Consolidated Statements of Income | The following table presents details of stock-based compensation costs recognized in the Condensed Consolidated Statements of Income (in thousands):
|  | Three Months Ended |
|  | March 30, 2019 |  | March 31, 2018 |
Cost of revenues |  | $ | 318 |  | $ | 296 |
Research and development |  | 6,097 |  | 5,769 |
Selling, general and administrative |  | 6,169 |  | 6,127 |
|  | 12,584 |  | 12,192 |
Income tax benefit |  | 3,320 |  | 5,219 |
|  | $ | 9,264 |  | $ | 6,973 |

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