Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Amount
U.S. federal income tax rate	$ 288,578
State and local taxes, net of federal income tax benefit	15,611
Other	(24)
Enactment of new tax laws	4,414
Foreign-derived intangible income	(15,814)
Other	1,467
Tax credits	(7,308)
Change in valuation allowance	0
Non-taxable or non-deductible items	(26)
Changes in unrecognized tax benefits	4,473
Capital loss	(34,853)
Provision for income taxes	$ 276,823	$ 357,048	$ 179,136
Percent
U.S. federal income tax rate	21.00%	21.00%	21.00%
State and local taxes, net of federal income tax benefit	1.10%	1.00%	1.50%
Foreign operations tax effect		0.60%	0.50%
Other	0.00%
Enactment of new tax laws	0.30%
Foreign-derived intangible income	(1.20%)	(1.00%)	(1.50%)
Other	0.10%
Share awards		(0.30%)	(0.40%)
Withholding tax		0.001	0.027
Tax credits	(0.50%)	(0.40%)	(0.60%)
Change in valuation allowance	0.00%	(0.40%)	(6.20%)
Non-taxable or non-deductible items	0.00%
Changes in unrecognized tax benefits	0.30%
Capital loss	(2.50%)
Dispositions		0.60%	0.00%
Audit resolutions		(0.20%)	(0.70%)
Other		(0.70%)	(0.30%)
Effective tax rate	20.10%	20.30%	16.00%
Switzerland:
Amount
Statutory tax rate differential	$ (15,059)
Other	$ 10,135
Percent
Foreign operations tax effect	(1.10%)
Other	0.70%
Other
Amount
Statutory tax rate differential	$ 25,229
Percent
Foreign operations tax effect	1.80%