Income Taxes - Summary of Provision for Income Taxes and U.S. Federal Tax Rate (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Computed “expected” tax expense	$ 232,850	$ 185,330	$ 226,342
Change in valuation allowance	1,378	25,932	(28,614)
Foreign income tax differential	(10,326)	(20,852)	(15,816)
State taxes net of federal benefits	18,352	7,489	12,482
Increase in tax expense due to uncertain tax positions	8,185	14,848	0
Foreign withholding tax	9,143	15,630	20,360
Excess tax benefits related to stock-based compensation	(16,304)	(58,942)	(38,156)
Revaluation of capital loss deferred tax asset	0	0	(24,279)
Sub-part F Income/GILTI	72,449	34,990	49,859
Foreign tax credits	(63,926)	(30,497)	(38,657)
Other	17,510	4,381	19,225
Total provision	$ 269,311	$ 178,309	$ 182,746
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent [Abstract]
Computed “expected” tax expense	21.00%	21.00%	21.00%
Change in valuation allowance	0.10%	2.90%	(2.70%)
Foreign income tax differential	(0.90%)	(2.30%)	(1.40%)
State taxes net of federal benefits	1.70%	0.80%	1.20%
Increase in tax expense due to uncertain tax positions	0.70%	1.70%	0.00%
Foreign withholding tax	0.80%	1.80%	1.90%
Excess tax benefits related to stock-based compensation	(1.50%)	(6.70%)	(3.50%)
Revaluation of capital loss deferred tax asset	0.00%	0.00%	(2.30%)
Sub-part F Income/GILTI	6.50%	4.00%	4.60%
Foreign tax credits	(5.80%)	(3.50%)	(3.60%)
Other	1.60%	0.50%	1.80%
Provision for income taxes	24.30%	20.20%	17.00%