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Income Taxes - Altera Corp and Singapore Operations (Details) - USD ($) $ / shares in Units, $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Feb. 27, 2016 | Dec. 31, 2016 | Jan. 02, 2016 | Jan. 03, 2015
Income Taxes |  |  |  |
Income tax benefit |  | $ (3,002) | $ (677) | $ (11,019)
Undistributed earnings of foreign subsidiaries |  | 361,400 |  |
Singapore |  |  |  |
Income Taxes |  |  |  |
Income tax benefit |  | $ 7,700 | $ 14,400 | $ 2,000
Income tax benefit per diluted share (in dollars per share) |  | $ 0.18 | $ 0.34 | $ 0.05
Altera decision |  |  |  |
Income Taxes |  |  |  |
Income tax benefit | $ 33,100 |  |  |

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