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Commitments and Contingencies (Litigations and Patent Reexaminations) (Details) $ in Thousands |  |  | 12 Months Ended
--- | --- | --- | ---
Oct. 31, 2017 patent | Sep. 01, 2016 patent | Dec. 28, 2019 USD ($) claim patent | Dec. 29, 2018 USD ($) | Dec. 30, 2017 USD ($)
Commitments and Contingencies |  |  |  |  |
Legal expenses excluded as a result of TRGP's payment of these expenses under the TRGP Agreement | $ |  |  | $ 0 | $ 1,800 | $ 10,200
Inphi Litigation |  |  |  |  |
Commitments and Contingencies |  |  |  |  |
Number of patents claimed to be invalid |  |  | 3 |  |
912 Patent Reexamination |  |  |  |  |
Commitments and Contingencies |  |  |  |  |
Number of claims rejected | claim |  |  | 11 |  |
SK Hynix Litigation |  |  |  |  |
Commitments and Contingencies |  |  |  |  |
Number of patents infringed upon | 2 | 6 |  |  |

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