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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2024

Income Tax Disclosure [Abstract]

Schedule of Income Before Income Tax, Domestic and Foreign

The Company's income before income taxes, classified by source of income, was as follows:

			Year Ended December 31,
(in thousands)			2024						2023						2022
U.S.			$	370,395					$	303,337					$	409,666
Outside the U.S.			25,250						33,619						27,140
Income before income taxes			$	395,645					$	336,956					$	436,806

Schedule of Components of Income Tax Expense (Benefit)

The provision for income taxes, classified by the timing and the location of payment, was as follows:

			Year Ended December 31,
(in thousands)			2024						2023						2022
Current tax expense
Federal			$	89,716					$	60,493					$	103,275
State			21,518						16,890						20,068
Foreign			2,609						1,593						2,331
Deferred tax (benefit) expense
Federal			(18,378)						(2,022)						(18,974)
State			(2,908)						(1,874)						(4,163)
Foreign			3,423						3,369						2,117
Income tax expense			$	95,980					$	78,449					$	104,654

Schedule of Deferred Tax Assets and Liabilities

The net deferred tax assets were as follows:

			December 31,
(in thousands)			2024						2023
Deferred tax assets:
Accrued compensation			$	20,958					$	18,325
Deferred revenue			40,946						30,007
Receivable, net			12,345						12,460
Tax credits			24,663						19,194
Operating lease liabilities			28,455						28,673
Partnership interests			5,130						5,516
Capitalized research and experimental expenditures			44,946						30,781
Foreign net operating losses			7,870						7,564
Non-U.S. intellectual property			11,333						15,149
Other			7,235						6,588
Total gross deferred tax assets			203,881						174,257
Less: Valuation allowance			(29,660)						(24,228)
Deferred tax assets			$	174,221					$	150,029
Deferred tax liabilities:
Property, equipment and intangible assets			$	(42,895)					$	(36,386)
Operating lease ROU assets			(20,016)						(21,379)
Other			(3,002)						(2,729)
Deferred tax liabilities			(65,913)						(60,494)
Net deferred tax assets			$	108,308					$	89,535

Schedule of Effective Income Tax Rate Reconciliation

The following table presents a reconciliation of the statutory United States federal income tax rate to the effective income tax rate for continuing operations:

			Year Ended December 31,
			2024						2023						2022
Statutory U.S. federal income tax rate			21.0		%				21.0		%				21.0		%
State income taxes, net of federal tax benefit			3.5		%				3.2		%				3.0		%
Expenses related to foreign operations			0.7		%				0.3		%				0.1		%
Expenses related to compensation, net			1.3		%				1.0		%				1.0		%
Unrecognized tax positions			(0.8)		%				0.5		%				0.2		%
Tax credits			(2.4)		%				(2.4)		%				(1.5)		%
Valuation allowance			0.6		%				0.6		%				0.5		%
Other			0.4		%				(0.9)		%				(0.3)		%
Effective income tax rate			24.3		%				23.3		%				24.0		%

Schedule of Reconciliation of the Beginning and Ending Amounts of the Unrecognized Tax Benefits

The following table presents a reconciliation of the beginning and ending amounts of the unrecognized tax benefits:

(in thousands)			2024						2023						2022
Balance, January 1			$	13,434					$	11,876					$	11,147
Changes for tax positions of prior years			(776)						2,338						(31)
Increases for tax positions related to the current year			1,516						1,670						1,650
Settlements and lapsing of statutes of limitations			(7,260)						(2,450)						(890)
Balance, December 31			$	6,914					$	13,434					$	11,876

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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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