Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Net income	$ 121,163	$ 124,337	$ 330,469	$ 318,582
Other comprehensive loss, net of tax:
Foreign currency translation adjustments	(4,838)	(26,081)	(28,099)	(49,844)
Change in unrealized gains and losses on available-for-sale securities, net of tax of $(156), $130, $(625) and $865, respectively	1,132	(1,157)	4,073	(7,960)
Other comprehensive loss, net of tax:	(3,706)	(27,238)	(24,026)	(57,804)
Comprehensive income	$ 117,457	$ 97,099	$ 306,443	$ 260,778