CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
COMPREHENSIVE INCOME (LOSS):
Net income	$ 106,292	$ 175,821	$ 228,297	$ 344,060
Other comprehensive income (loss):
Foreign currency translation adjustments, net of tax	2,114	(24,048)	6,966	(25,016)
Foreign defined benefit plan adjustments, net of tax	34	15	68	31
Total other comprehensive income (loss)	2,148	(24,033)	7,034	(24,985)
Total comprehensive income (loss)	$ 108,440	$ 151,788	$ 235,331	$ 319,075