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Supplemental Cash Flows Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2020 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Jun. 10, 2014
Cash and Cash Equivalents [Line Items] |  |  |  |  |
Cash paid for interest |  | $ 54,500 | $ 106,000 | $ 55,400 |
Cash paid for income taxes, net of refunds received |  | 61,200 | 45,000 | 45,900 |
Deferred tax expense from exercise of stock options |  | 11,300 | $ 2,900 | $ 4,800 |
Reacquisition of 3.25% Convertible Notes, net of tax |  | (390,526) |  |  |
Non-cash exchange of available-for-sale debt securities | $ 18,300 |  |  |  |
Additional paid-in capital |  |  |  |  |
Cash and Cash Equivalents [Line Items] |  |  |  |  |
Reacquisition of 3.25% Convertible Notes, net of tax |  | (390,526) |  |  |
Bridge Loan | Bridge Loan |  |  |  |  |
Cash and Cash Equivalents [Line Items] |  |  |  |  |
Aggregate purchase price |  | $ 485,000 |  |  |
3.25% Convertible Notes | Convertible Debt |  |  |  |  |
Cash and Cash Equivalents [Line Items] |  |  |  |  |
Conversion shares issued as extinguishment cost on 3.25% convertible notes (in shares) |  | 3,050,850 |  |  |
Stated interest rate |  |  |  |  | 3.25%

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