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Income Taxes - Components of Income Before Income Taxes (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Schedule Of Income Before Income Tax [Line Items] |  |  |
Income Before Income Tax Expense | $ 478,725 | $ 392,482 | $ 485,760
United States [Member] |  |  |
Schedule Of Income Before Income Tax [Line Items] |  |  |
Income Before Income Tax Expense | 407,015 | 359,496 | 449,171
Non-US [Member] |  |  |
Schedule Of Income Before Income Tax [Line Items] |  |  |
Income Before Income Tax Expense | $ 71,710 | $ 32,986 | $ 36,589

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- Definition Income before income tax expense from continuing operations, net of no controlling interest. + References No definition available. + Details
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- Details
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- Details
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Period Type: |