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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2023
Income Tax Disclosure [Abstract]  
Schedule of Income Before Income Tax, Domestic and Foreign
The total income before income taxes, classified by source of income, was as follows:
 Year Ended December 31,
(in thousands)202320222021
U.S.$303,337 $409,666 $355,408 
Outside the U.S.33,619 27,140 21,084 
Income before income taxes$336,956 $436,806 $376,492 
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)202320222021
Current tax expense
Federal$60,493 $103,275 $71,573 
State16,890 20,068 15,605 
Foreign1,5932,331 1,041 
Deferred tax (benefit) expense
Federal(2,022)(18,974)(2,690)
State(1,874)(4,163)(1,254)
Foreign3,369 2,117 3,260 
Income tax expense$78,449 $104,654 $87,535 
Schedule of Deferred Tax Assets and Liabilities
The net deferred tax assets were as follows:
December 31,
(in thousands)20232022
Deferred tax assets:
Accrued compensation$18,325 $17,044 
Deferred revenue30,007 46,758 
Receivable, net12,460 8,599 
Tax credits19,194 16,379 
Operating lease liabilities28,673 19,715 
Partnership interests5,516 3,948 
Foreign net operating losses7,564 8,245 
Non-U.S. intellectual property15,149 17,642 
Other6,588 5,589 
Total gross deferred tax assets143,476 143,919 
Less: Valuation allowance(24,228)(21,402)
       Deferred tax assets$119,248 $122,517 
Deferred tax liabilities:
Property, equipment and intangible assets$(5,605)$(15,585)
Operating lease ROU assets(21,379)(17,703)
Other(2,729)(1,047)
       Deferred tax liabilities(29,713)(34,335)
Net deferred tax assets$89,535 $88,182 
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,
 202320222021
Statutory U.S. federal income tax rate21.0 %21.0 %21.0 %
State income taxes, net of federal tax benefit3.2 %3.0 %3.1 %
Benefits related to foreign operations0.3 %0.1 %(0.2)%
Expenses (benefits) related to compensation, net1.0 %1.0 %0.5 %
Unrecognized tax positions0.5 %0.2 %0.2 %
International Reorganization %— %1.1 %
Tax credits(2.4)%(1.5)%(1.8)%
Valuation allowance0.6 %0.5 %(0.2)%
Other(0.9)%(0.3)%(0.4)%
Effective income tax rate23.3 %24.0 %23.3 %
Schedule of Reconciliation of Unrecognized Tax Benefits
The following table presents a reconciliation of the beginning and ending amounts of the unrecognized tax benefits:
(in thousands)202320222021
Balance, January 1$11,876 $11,147 $10,193 
Changes for tax positions of prior years2,338 (31)156 
Increases for tax positions related to the current year1,670 1,650 1,618 
Settlements and lapsing of statutes of limitations(2,450)(890)(820)
Balance, December 31$13,434 $11,876 $11,147