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Income Taxes
 12 Months Ended
Dec. 31, 2021
Income Tax Disclosure [Abstract]  
Income Taxes INCOME TAXES
The components of income (loss) before income taxes are as follows: 
 Year Ended December 31,
(in thousands)202320222021
Domestic$(62,294)$(50,396)$(125,010)
Foreign223,349 129,448 119,301 
Income (loss) before income taxes
$161,055 $79,052 $(5,709)
The components of the income tax provision (benefit) applicable for domestic and foreign taxes and cash taxes paid are as follows: 
 Year Ended December 31,
(in thousands)202320222021
Current income tax expense (benefit):
Domestic$2,043 $3,241 $974 
Foreign88,394 49,041 44,422 
Total current income tax expense (benefit)90,437 52,282 45,396 
Deferred income tax expense (benefit):
Domestic(170)633 (328)
Foreign(26,615)196 (1,470)
Total deferred income tax expense (benefit)(26,785)829 (1,798)
Total income tax expense (benefit)$63,652 $53,111 $43,598 
Cash taxes paid, net$44,014 $44,959 $29,204 
The reconciliation between the actual income tax provision and income tax computed using the U.S. statutory federal income tax rate is summarized as follows:
Year Ended December 31,
(in thousands)202320222021
Income tax provision (benefit) at the U.S. statutory rate$33,821 $16,645 $(1,199)
Base erosion and anti-abuse tax3,520 2,369 — 
Valuation allowances(21,679)11,078 33,068 
Foreign tax rate differential44,514 14,505 8,619 
Foreign income inclusion(3,618)12,304 3,141 
Stock compensation(1,428)137 542 
Excess compensation1,712 1,083 1,301 
Uncertain tax positions7,761 (704)158 
General business credits(4,078)(1,952)(2,452)
Other items, net3,127 (2,354)420 
Total provision (benefit) for income taxes$63,652 $53,111 $43,598 
Significant components of net deferred tax assets and liabilities were as follows: 
 December 31,
(in thousands)20232022
Deferred tax assets:
Deferred compensation$20,310 $19,344 
Deferred income13,029 3,478 
Accrued expenses26,811 23,434 
Net operating loss and other carryforwards531,257 540,443 
Long-term operating lease liabilities66,059 32,846 
Goodwill and intangibles45,196 34,362 
Interest34,671 35,638 
Other15,253 24,651 
Gross deferred tax assets752,586 714,196 
Valuation allowances(663,784)(684,786)
Total deferred tax assets$88,802 $29,410 
Deferred tax liabilities:
Property and equipment$(4,923)$(5,611)
Basis difference in equity investments(800)(879)
Right-of-use operating lease assets(58,091)(25,148)
Total deferred tax liabilities$(63,814)$(31,638)
Net deferred income tax assets (liabilities), net$24,988 $(2,228)
Our net deferred tax assets (liabilities) are reflected within our balance sheet as follows: 
 December 31,
(in thousands)20232022
Long-term deferred tax assets$26,021 $— 
Deferred tax liabilities included in other long-term liabilities(1,033)(2,228)
Net deferred income tax assets (liabilities), net$24,988 $(2,228)
As of December 31, 2023, we had approximately $478 million of deferred tax assets related to net operating and other loss carryforwards that were generated in various worldwide jurisdictions. The carryforwards include $168 million that do not expire and $310 million that will expire from 2024 through 2043. We have recorded a total valuation allowance of $664 million on net operating loss, tax credit carryforwards, and other deferred tax assets, as we believe that it is more likely than not that a portion of our deferred tax assets will not be realized. We assess the realizability of our deferred tax assets, considering all relevant factors, at each reporting period. Based on the available positive and negative evidence, including historical and forecasted earnings, we believe it is more likely than not that deferred tax assets in several non-U.S. jurisdictions will be realized. Accordingly, during the twelve-month period ended December 31, 2023, we partially released valuation allowances for the deferred tax assets that we believe are more likely than not to be realized. Our valuation allowance decreased by $21 million in 2023 and increased by $6.0 million 2022.
On March 27, 2020, the U.S. Coronavirus Aid, Relief, and Economic Security Act (the "CARES Act") was signed into law in the United States. In accordance with the rules and procedures under the CARES Act, we filed certain refund claim to carry back a portion of our U.S. net operating loss. Prior to enactment of the CARES Act, such net operating losses could only be carried forward. As a result, we received combined refunds of approximately $33 million, of which we received $10 million as of December 31, 2022. During the third quarter of 2022, we reached an agreement in principle to settle our 2014 U.S. tax return audit, which reduced the outstanding refunds by approximately $3.0 million. The remaining refunds of approximately $20 million were classified as other noncurrent assets in the consolidated balance sheet as of December 31, 2022. During the twelve-month period ended December 31, 2023, we received refunds of $23 million. These refunds included interest of $1.7 million which was recorded as a tax benefit.
We continue to make an assertion to indefinitely reinvest the unrepatriated earnings of any foreign subsidiary that
would incur material tax consequences upon the distribution of such earnings. As of December 31, 2023, we did not provide for deferred taxes on earnings of our foreign subsidiaries that are indefinitely reinvested. If we were to make a distribution from the unremitted earnings of these subsidiaries, we could be subject to taxes in various jurisdictions. However, it is not practical to estimate the amount of tax that could ultimately be due if such earnings were remitted. If our expectations were to change regarding future tax consequences, we may be required to record additional deferred taxes that could have a material effect on our consolidated financial statements.
We recognize the expense or benefit for an uncertain tax position if it is more likely than not to be sustainable upon audit by the applicable taxing authority. If this threshold is met, the uncertain tax position is then measured and recognized at the largest amount that we believe is greater than 50% likely of being realized upon ultimate settlement. We account for any applicable interest and penalties on these positions as a component of our provision for income taxes in our consolidated financial statements.
A reconciliation of the beginning and ending amount of gross uncertain tax positions, excluding penalties and interest, is as follows: 
 Year Ended December 31,
(in thousands)202320222021
Balance at beginning of year$15,846 $17,367 $20,086 
Additions based on tax positions related to the current year4,391 269 1,934 
Reductions for expiration of statutes of limitations(130)(520)(784)
Additions based on tax positions related to prior years12,576 1,103 2,011 
Reductions based on tax positions related to prior years(135)(2,171)(2,818)
Settlements(7,091)(202)(3,062)
Balance at end of year$25,457 $15,846 $17,367 
We increased (decreased) income tax expense by $5.4 million, $(1.0) million and $(1.1) million in 2023, 2022 and 2021, respectively, for penalties and interest on uncertain tax positions, which brought our total liabilities for penalties and interest on uncertain tax positions to $7.9 million and $2.5 million in other long-term liabilities on our balance sheets as of December 31, 2023 and 2022, respectively. All additions or reductions to those liabilities would affect our effective income tax rate in the periods of change.
We believe approximately $8.0 million to $9.0 million of gross uncertain tax positions will be resolved within the next 12 months. A portion of our uncertain tax position liability is reflected as a reduction in our gross deferred tax asset before valuation allowance and as a reduction in our long-term income tax receivable, which is included in other noncurrent assets on our consolidated balance sheet. The remaining balance is reflected in other long-term liabilities on our consolidated balance sheet. The balance of gross uncertain tax position liability included in other long-term liabilities on our consolidated balance sheet was $19 million and $8.0 million as of December 31, 2023 and December 31, 2022, respectively. The balance of gross uncertain tax position liability netted against our gross deferred tax asset before valuation allowance was $5.0 million as of December 31, 2023 and 2022. The balance of gross uncertain tax position liability netted against our gross long-term income tax receivable included in other noncurrent assets was $1.0 million and $2.0 million as of December 31, 2023 and 2022, respectively.
Our tax returns are subject to audit by taxing authorities in multiple jurisdictions. These audits often take years to complete and settle. The following table lists the earliest tax years open to examination by tax authorities where we have significant operations: 
JurisdictionPeriods
United States2014
United Kingdom2020
Norway2018
Angola2015
Brazil2018
Australia2019