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Supplemental Cash Flow Information (Tables) | 12 Months Ended
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Dec. 31, 2022
Supplemental Cash Flow Elements [Abstract] |
Schedule of Non-cash Investing and Financing Activities | Non-cash investing and financing activities were as follows (in thousands):
| Year ended December 31,
| 2022 |  | 2021 (1) |  | 2020 (1)
Non-cash investing activity: |  |  |  |  |
Property and equipment, accrued but unpaid | $ | 150 |  |  | $ | 50 |  |  | $ | 3,154 |
Right-of-use assets acquired in exchange for operating lease obligations | $ | 4,130 |  |  | $ | 9,850 |  |  | $ | 31,148 |
Exchange of corporate debt securities (2) | $ | — |  |  | $ | — |  |  | $ | 18,326 |
Disposition of Investment in Consensus(3) | $ | 112,286 |  |  | $ | — |  |  | $ | — |
Non-cash financing activity: |  |  |  |  |
Debt principal settled in exchange for Investment in Consensus(3) | $ | 112,286 |  |  | $ | — |  |  | $ | — |
Debt principal settled in exchange for Consensus senior notes due 2028 | $ | — |  |  | $ | 485,000 |  |  | $ | — |
Conversion shares issued as extinguishment cost to redeem 3.25% Convertible Notes | $ | — |  |  | $ | 431,952 |  |  | $ | — |
Reacquisition of 3.25% Convertible Notes, net of tax | $ | — |  |  | $ | 390,526 |  |  | $ | — |
(1)Combines continuing and discontinued operations. (2)During the year ended December 31, 2020, the Company exchanged shares of redeemable preferred stock that were previously classified as available-for-sale corporate debt securities for a new series of preferred stock, classified as equity securities without a readily determinable fair value. Refer to Note 5 - Investments for additional details. (3)During the year ended December 31, 2022, the Company disposed $160.1 million of its Investment in Consensus in exchange for $112.3 million of debt and recorded $47.8 million of loss on investment, net.
Schedule of Cash Flow, Supplemental Disclosures | Supplemental data (in thousands):
| Year ended December 31,
| 2022 |  | 2021 |  | 2020
Interest paid | $ | 36,168 |  |  | $ | 54,479 |  |  | $ | 105,962 |
Income taxes paid, net of refunds | $ | 59,543 |  |  | $ | 61,162 |  |  | $ | 45,046 |
Cash Flow, Operating Capital | Operating cash outflows related to lease liabilities were as follows (in thousands):
| Year ended December 31,
| 2022 |  | 2021 |  | 2020
Operating cash outflows related to lease liabilities | $ | 26,921 |  |  | $ | 27,798 |  |  | $ | 27,402 |

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