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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2024

Income Tax Disclosure [Abstract]

Schedule of Components of Income (Loss) Before Income Taxes

For financial reporting purposes, income (loss) before income taxes includes the following components (in thousands):

			Years Ended December 31,
			2024						2023						2022
United States			$	32,443					$	(8,342)					$	(11,751)
Foreign			217,966						155,969						218,386
Total			$	250,409					$	147,627					$	206,635

Schedule of Expense (Benefit) for Income Taxes

The expense (benefit) for income taxes consists of the following (in thousands):

			Years Ended December 31,
			2024						2023						2022
Federal
Current			$	10,062					$	(3,490)					$	7,064
Deferred			(12,919)						(6,306)						(353)
Total			(2,857)						(9,796)						6,711
State
Current			3,069						(2,327)						7,993
Deferred			(2,390)						797						(3,500)
Total			679						(1,530)						4,493
Foreign
Current			47,290						36,020						47,798
Deferred			2,179						1,424						5,456
Total			49,469						37,444						53,254
Total			$	47,291					$	26,118					$	64,458

Schedule of Differences Between Income Tax Expense Computed at Statutory Federal Income Tax Rate and Per Consolidated Statements of Operations

Differences between the income tax expense computed at the statutory federal income tax rate and per the consolidated statements of operations are summarized as follows (in thousands):

			Years Ended December 31,
			2024						2023						2022
Tax expense at federal rate of 21%			$	52,586					$	31,002					$	43,393
State income taxes, net of federal benefit			1,558						1,744						2,351
Change in valuation allowance			342						1,588						71
Foreign tax rate differential			(8,081)						(7,658)						(12,949)
Unrecognized tax benefit increase (decrease)			223						(5,726)						2,039
Tax effect of foreign operations			5,911						10,350						15,336
Tax benefit of research & development			(5,492)						(5,104)						(3,365)
Performance-based compensation			(424)						3,004						2,266
Tax effect of divestiture			—						(2,900)						14,522
Other			668						(182)						794
Income tax provision			$	47,291					$	26,118					$	64,458

Schedule of Deferred Tax Assets and Liabilities

The deferred tax assets and liabilities result from differences in the timing of the recognition of certain income and expense items for tax and financial accounting purposes. The sources of these differences at each balance sheet date are as follows (in thousands):

			December 31,
			2024						2023
Deferred income tax assets:
Net operating loss carryforwards			$	13,636					$	15,409
Tax credits			23,242						23,197
Compensation			16,527						15,478
Deferred revenue			11,273						9,873
Operating lease			6,796						8,297
Capitalized research and development			20,102						16,903
Deferred interest			27,807						17,822
Other			2,455						951
Gross deferred income tax assets			121,838						107,930
Less: valuation allowance			(13,310)						(12,963)
Net deferred income tax assets			$	108,528					$	94,967
Deferred income tax liabilities:
Depreciation and amortization			$	(30,957)					$	(31,741)
Operating lease right-of-use asset			(6,079)						(7,303)
Unbilled revenue			(7,938)						(5,407)
Withholding tax liability			(30,761)						(32,752)
Total deferred income tax liabilities			(75,735)						(77,203)
Net deferred income taxes			$	32,793					$	17,764
Deferred income taxes / liabilities included in the balance sheet are:
Deferred income tax asset – noncurrent			$	72,713					$	58,499
Deferred income tax liability – noncurrent			(39,920)						(40,735)
Net deferred income taxes			$	32,793					$	17,764

Schedule of Reconciliation of Beginning and Ending Amount of Unrecognized Tax Benefits

A reconciliation of the beginning and ending amount of unrecognized tax benefits for the years ended December 31 is as follows (in thousands):

			2024						2023						2022
Balance of unrecognized tax benefits at beginning of year			$	20,889					$	26,408					$	24,510
Increases for tax positions of prior years			1,159						1,568						2,349
Decreases for tax positions of prior years			(1,080)						(6,560)						(3,659)
Increases for tax positions established for the current period			2,418						3,941						9,320
Decreases for settlements with taxing authorities			(141)						(532)						(63)
Reductions resulting from lapse of applicable statute of limitation			(2,190)						(4,005)						(5,833)
Adjustment resulting from foreign currency translation			(28)						69						(216)
Balance of unrecognized tax benefits at end of year			$	21,027					$	20,889					$	26,408

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Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

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Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

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Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

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Tabular disclosure of income before income tax between domestic and foreign jurisdictions.

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Tabular disclosure of the change in unrecognized tax benefits.

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