Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 110,617	$ 138,703	$ 261,536	$ 316,253
Other comprehensive income (loss), net of tax:
Changes in net prior service credit and actuarial losses	1,995	693	5,518	1,731
Change in fair value of derivatives	1,865	421	5,230	2,698
Foreign currency translation	(33,892)	(58,254)	24,976	(109,957)
Other comprehensive (loss) income	(30,032)	(57,140)	35,724	(105,528)
Comprehensive income	$ 80,585	$ 81,563	$ 297,260	$ 210,725