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Income Taxes (Details) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2018 | Jul. 01, 2017 | Jun. 30, 2018 | Jul. 01, 2017 | Dec. 31, 2017
Income Tax Disclosure [Abstract] |  |  |  |  |
Income tax expense | $ 118,809,000 | $ 82,682,000 | $ 166,441,000 | $ 151,040,000 |
Earnings before income taxes | $ 316,354,000 | $ 344,430,000 | $ 573,227,000 | $ 613,844,000 |
Effective tax rate | 37.60% | 24.00% | 29.00% | 24.60% |
TCJA income tax expense (benefit) | $ 54,674,000 |  |  |  |
TJCA estimated Deemed Repatriation Transition Tax | 100,865,000 |  |  |  |
TCJA unrecognized tax liabilities income tax expense (benefit) | 27,485,000 |  |  |  |
TCJA transaction tax liability, income tax expense (benefit) | (18,706,000) |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Transition tax obligation | 206,030 |  | $ 206,030 |  | $ 105,165,000
Accounts Payable and Accrued Liabilities [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Transition tax obligation | 17,522,000 |  | 17,522,000 |  |
Other Long-term Investments [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Transition tax obligation | $ 188,508,000 |  | $ 188,508,000 |  |

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