Income Taxes - Earnings (Loss) From Continuing Operations Before Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
United States	$ 94,829	$ 163,764	$ 387,564
Foreign	489,545	585,781	661,637
Earnings before income taxes	$ 584,374	$ 749,545	$ 1,049,201

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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