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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2021
Income Tax Disclosure [Abstract] |
Components of Income Before Income Taxes | The components of our income before income taxes are as follows:
|  | 2021 |  | 2020 |  | 2019
Income (Loss) before income taxes: |  |  |  |  |  |
Domestic |  | $ | 308,514 |  |  | $ | (45,973) |  |  | $ | (79,821) |
Foreign |  | 11,026 |  |  | (97,437) |  |  | 14,721 |
Total |  | $ | 319,540 |  |  | $ | (143,410) |  |  | $ | (65,100) |
Components of Income Tax Provision | The components of income tax provision for the years ended December 31, 2021, 2020 and 2019 are as follows:
|  | 2021 |  | 2020 |  | 2019
Current: |  |  |  |  |  |
U.S. federal |  | $ | (8,675) |  |  | $ | 1,294 |  |  | $ | (135) |
State |  | 2,097 |  |  | 451 |  |  | 801 |
Foreign |  | 6,861 |  |  | 5,645 |  |  | 7,220 |
Total |  | 283 |  |  | 7,390 |  |  | 7,886 |
Deferred: |  |  |  |  |  |
U.S. federal |  | — |  |  | 67 |  |  | (1,008) |
State |  | — |  |  | — |  |  | — |
Foreign |  | (2,795) |  |  | (1,273) |  |  | (2,346) |
Total |  | (2,795) |  |  | (1,206) |  |  | (3,354) |
Total income tax (benefit) provision |  | $ | (2,512) |  |  | $ | 6,184 |  |  | $ | 4,532 |
Schedule of Effective Tax Rate Reconciliation | The overall effective tax rate differs from the statutory federal tax rate for the years ended December 31, 2021, 2020 and 2019 as follows:
|  | % of Pretax Loss
|  | 2021 |  | 2020 |  | 2019
Tax provision based on the federal statutory rate |  | 21.0 | % |  | 21.0 | % |  | 21.0 | %
Increase in valuation allowances |  | (10.4) |  |  | (8.5) |  |  | (21.3) |
Dividends not taxable |  | — |  |  | 9.5 |  |  | — |
Net operating loss carryback claim |  | — |  |  | 6.2 |  |  | — |
Change in carryforward attributes |  | (0.7) |  |  | (3.2) |  |  | — |
Global intangible low-taxed income inclusion |  | 1.2 |  |  | (0.3) |  |  | (7.0) |
Nondeductible expenses |  | 1.4 |  |  | (13.5) |  |  | (1.8) |
Taxes related to distributions |  | — |  |  | — |  |  | (0.8) |
Foreign income tax rate differential |  | — |  |  | (3.3) |  |  | 1.0 |
Deemed income related to foreign operations |  | — |  |  | (1.6) |  |  | (0.5) |
Tax rate change |  | (0.7) |  |  | (0.3) |  |  | (1.1) |
Employee share-based payments |  | (1.3) |  |  | (1.4) |  |  | — |
Other |  | — |  |  | (0.4) |  |  | (0.9) |
Deferred and payable adjustments |  | 1.4 |  |  | (2.6) |  |  | 3.3 |
ASU 842 adoption |  | — |  |  | — |  |  | (0.1) |
State taxes, net of federal benefit, before valuation allowance |  | 1.0 |  |  | 0.5 |  |  | 2.8 |
Return to provision adjustments |  | (0.1) |  |  | 0.9 |  |  | (2.5) |
Other tax credits |  | (0.5) |  |  | 0.2 |  |  | (1.9) |
Uncertain tax positions and audit settlements |  | (3.0) |  |  | (7.5) |  |  | 2.8 |
Divestitures |  | (10.1) |  |  | — |  |  | — |
Effective tax rate |  | (0.8) | % |  | (4.3) | % |  | (7.0) | %
Components of Net Deferred Income Tax Assets and Net Deferred Income Tax Liabilities | The components of our net deferred income tax assets and net deferred income tax (liabilities) at December 31, 2021 and 2020 are as follows:
(in thousands) |  | 2021 |  | 2020
Deferred income tax assets: |  |  |  |
Intangibles |  | $ | 10,950 |  |  | $ | 17,395 |
Stock options and restricted stock awards |  | 8,005 |  |  | 2,544 |
Reserves and allowances |  | 8,692 |  |  | 10,450 |
Net operating loss carryforwards |  | 38,394 |  |  | 67,025 |
Tax credit carryforwards |  | 19,967 |  |  | 18,813 |
Accrued liabilities |  | 2,893 |  |  | 6,077 |
Deferred revenue |  | 8,141 |  |  | 4,637 |
Lease Tax Asset |  | 10,362 |  |  | 8,343 |
163(j) Limitation Carryforward |  | — |  |  | 2,854 |
Valuation allowance |  | (91,165) |  |  | (123,113) |
Total deferred income tax assets |  | 16,239 |  |  | 15,025 |
Deferred income tax liabilities: |  |  |  |
Intangibles |  | 2,356 |  |  | 2,548 |
Property, plant, and equipment |  | 2,110 |  |  | 2,662 |
Lease Tax Liability |  | 8,458 |  |  | 6,379 |
Other |  | 434 |  |  | 1,345 |
Total deferred income tax liabilities |  | 13,358 |  |  | 12,934 |
Deferred income tax asset held for sale |  | $ | — |  |  | $ | 560 |
Net deferred income tax assets |  | $ | 2,881 |  |  | $ | 1,531 |
Schedule of Unrecognized Tax Benefits |
|  | Unrecognized Tax Benefits*
(in thousands) |  | 2021 |  | 2020 |  | 2019
Balance at January 1 |  | $ | (25,902) |  |  | $ | (15,467) |  |  | $ | (13,031) |
Increases related to prior year tax positions |  | (467) |  |  | (10,426) |  |  | (2,684) |
Decreases related to prior year tax positions |  | 8,886 |  |  | 788 |  |  | 857 |
Decreases related to prior year tax positions as a result of lapse of statute |  | 371 |  |  | — |  |  | — |
Decreases related to settlement |  | 1,043 |  |  | — |  |  | — |
Increases related to current year tax positions |  | (553) |  |  | (797) |  |  | (609) |
Increases related to acquired tax positions |  | (639) |  |  | — |  |  | — |
Balance at December 31 |  | $ | (17,261) |  |  | $ | (25,902) |  |  | $ | (15,467) |
* The unrecognized tax benefit balance includes an insignificant amount of interest and penalties.
Summary of Deferred Income Tax Asset Valuation Allowance | The following presents the changes in the balance of our deferred income tax asset valuation allowance:
Year Ended |  | Item |  | Balance at beginning of year |  | Additions (reductions) charged to expense |  | Other |  | Balance at end of year
2021 |  | Deferred income tax asset valuation allowance |  | $ | 123,113 |  |  | $ | (31,948) |  |  | $ | — |  |  | $ | 91,165 |
2020 |  | Deferred income tax asset valuation allowance |  | 109,643 |  |  | 13,470 |  |  | — |  |  | 123,113 |
2019 |  | Deferred income tax asset valuation allowance |  | $ | 95,398 |  |  | $ | 14,245 |  |  | $ | — |  |  | $ | 109,643 |

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