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v3.20.4

Income Taxes (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2020 | Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |
Income tax provision |  |  |  |  | $ 119,383 | $ 125,749 | $ 109,106
Actual income tax rates |  |  |  |  | 47.30% | 27.90% | 27.60%
Impairment loss on goodwill, identifiable intangible assets, and other long-lived assets | $ 0 | $ 0 | $ 232,750 | $ 0 | $ 232,750 | $ 0 | $ 907
Income tax expense, foreign minimum tax |  |  |  |  | 100 | 100 | $ 600
Cash and cash equivalents | 902,867 |  |  |  | 902,867 | 358,818 |
Deferred tax liabilities, net | 29,436 |  |  |  | 29,436 | 71,746 |
Valuation allowance for deferred tax assets | 3,856 |  |  |  | 3,856 | 3,463 |
Other Assets |  |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |
Deferred tax liabilities, net | 7,400 |  |  |  | 7,400 | 3,400 |
Other Long-Term Obligations |  |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |
Deferred tax liabilities, net | 36,800 |  |  |  | 36,800 | $ 75,200 |
Non-US [Member] | Subsidiaries [Member] |  |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |
Undistributed earnings of foreign subsidiaries | 89,600 |  |  |  | 89,600 |  |
Cash and cash equivalents | $ 100,800 |  |  |  | $ 100,800 |  |

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