Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended	9 Months Ended
Sep. 28, 2019	Sep. 29, 2018	Jun. 30, 2018	Sep. 28, 2019	Sep. 29, 2018
Income Tax Disclosure [Abstract]
Income tax expense	$ 22,522	$ 49,487		$ 116,273	$ 215,928
Earnings before income taxes	$ 178,191	$ 277,513		$ 596,171	$ 850,740
Effective tax rate	12.60%	17.80%		19.50%	25.40%
Additional net tax expense			$ 54,674

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operations, attributable to increase (decrease) from transition tax on accumulated earnings of controlled foreign corporation deemed repatriated pursuant to Tax Cuts and Jobs Act.

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Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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