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Income Taxes (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 29, 2023 | Dec. 30, 2022 | Dec. 31, 2021 | Jan. 01, 2021
Operating Loss Carryforwards [Line Items] |  |  |  |
Effective tax rate | 12.80% | 21.00% | 14.20% |
Foreign earnings repatriated | $ 371.3 |  |  |
Unrecognized tax benefits | 88.3 | $ 76.5 | $ 64.2 | $ 64.1
Unrecognized tax benefits that would impact effective tax rate | 59.5 | 51.6 |  |
Payment of interest and penalties | 9.9 | $ 8.4 |  |
IRS |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Net operating loss carryforwards | 19.1 |  |  |
Foreign Tax Authority |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Net operating loss carryforwards | 86.3 |  |  |
California Franchise Tax Board | Research Tax Credit Carryforward |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Tax credit carryforward | $ 35.3 |  |  |

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