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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 21,703	$ 37,992
Other comprehensive income (loss):
Foreign currency translation gain (loss)	3,260	(782)
Unrealized gain (loss) on marketable securities, net of tax	2,420	(3,093)
Defined benefit pension gain, net of tax	193	282
Other comprehensive income (loss)	5,873	(3,593)
Comprehensive income	$ 27,576	$ 34,399

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