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Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 475,467	$ 546,593	$ 447,286
Other comprehensive (loss) income, net of tax:
Foreign currency translation adjustments	(19,892)	(1,432)	5,620
Unrealized holding (loss) gain on investments:
Unrealized holding (losses) gains during the period, net of income taxes of $2,893, $728 and $(134)	(9,700)	(2,527)	374
Less: reclassification adjustment for losses realized in net income, net of income taxes of $(134), $(246) and $(190)	468	914	712
Total other comprehensive (loss) income, net of taxes	(29,124)	(3,045)	6,706
Comprehensive income	$ 446,343	$ 543,548	$ 453,992

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