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Income Taxes (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 29, 2018 | Sep. 30, 2017 | Sep. 29, 2018 | Sep. 30, 2017 | Dec. 31, 2017
Income Tax Disclosure [Abstract] |  |  |  |  |
Income tax expense | $ 49,487 | $ 100,532 | $ 215,928 | $ 251,572 |
Earnings before income taxes | $ 277,513 | $ 371,554 | $ 850,740 | $ 985,398 |
Effective tax rate | 17.80% | 27.10% | 25.40% | 25.50% |
TCJA income tax expense (benefit) |  |  | $ 54,674 |  |
TJCA estimated Deemed Repatriation Transition Tax |  |  | 100,865 |  |
TCJA unrecognized tax liabilities income tax expense (benefit) |  |  | (27,485) |  |
TCJA transaction tax liability, income tax expense (benefit) |  |  | (18,706) |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Transition tax obligation | $ 206,030 |  | 206,030 |  | $ 105,165
Accounts Payable and Accrued Expenses |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Transition tax obligation | 17,522 |  | 17,522 |  |
Other Long-term Liabilities |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Transition tax obligation | $ 188,508 |  | $ 188,508 |  |

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