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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2024

Income Tax Disclosure [Abstract]

Schedule of Earning Before Income Taxes and Related Income Tax Expenses

The following table presents the U.S. and foreign components of earnings before income taxes and the related income tax expense (in thousands):

			Years Ended December 31,
			2024						2023						2022
Earnings before income taxes:
United States			$	207,715					$	263,421					$	274,415
Foreign			125,198						114,433						100,018
			$	332,913					$	377,854					$	374,433
Income tax expense:
Current:
U.S. Federal			$	32,195					$	62,575					$	61,245
U.S. State and local			8,205						16,764						15,788
Foreign			34,526						30,286						26,043
			74,926						109,625						103,076
Deferred:
U.S. Federal			7,701						(10,923)						(7,267)
U.S. State and local			2,369						(3,324)						(1,153)
Foreign			(1,774)						1,167						(831)
			8,296						(13,080)						(9,251)
			$	83,222					$	96,545					$	93,825

Schedule Reconciles Difference Between U.S. Federal Income Taxes at U.S. Statutory Rate and Our Income Tax Expense

The following schedule reconciles the differences between the U.S. federal income taxes at the U.S. statutory rate and our income tax expense (dollars in thousands):

			2024												2023												2022
Statutory federal income tax rate			$	69,912					21.0		%				$	79,349					21.0		%				$	78,631					21.0		%
State income tax expense, net of federal income tax benefit			11,362						3.4						12,113						3.2						13,962						3.7
Audits and adjustments, net			328						0.1						(925)						(0.2)						2,273						0.6
Change in valuation allowances			356						0.1						1,616						0.4						(2,551)						(0.7)
Foreign income taxed at different rates			7,561						2.3						6,133						1.6						5,660						1.5
Research and other credits			(6,211)						(1.9)						(3,036)						(0.8)						(3,870)						(1.0)
Other, net			(86)						—						1,295						0.4						(280)						—
Effective tax rate			$	83,222					25.0		%				$	96,545					25.6		%				$	93,825					25.1		%

Schedule of Significant Components of Deferred Tax Assets and Liabilities

The significant components of deferred tax assets and liabilities are as follows (in thousands):

			December 31,
			2024						2023
Deferred tax assets:
Capitalized research expenses			$	42,827					$	33,569
Loss carryforwards			26,244						25,690
Foreign tax credits			8,880						9,976
Other			33,930						31,246
Gross deferred tax assets			111,881						100,481
Valuation allowances			(32,978)						(33,385)
Total deferred tax assets			78,903						67,096
Deferred tax liabilities:
Goodwill and other intangibles			(86,737)						(58,512)
Property and equipment			(33,223)						(31,194)
Contract assets (net)			(18,026)						—
Other			(1,940)						(1,916)
Total deferred tax liabilities			(139,926)						(91,622)
Net deferred tax liabilities			$	(61,023)					$	(24,526)

Schedule of Net Non-Current Deferred Tax Assets and Liabilities

The net non-current deferred tax assets and liabilities are as follows (in thousands):

			December 31,
			2024						2023
Net non-current deferred tax assets, which are included in "Other assets"			$	3,436					$	3,062
Net non-current deferred tax liabilities			(64,459)						(27,588)
Net deferred tax liabilities			$	(61,023)					$	(24,526)

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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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-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Publisher FASB
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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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-Section 50
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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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