Accumulated Other Comprehensive Loss - Amounts Included in Accumulated Other Comprehensive Loss, Net of Tax (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	$ 1,889,358
Other comprehensive loss before reclassifications	(21,573)
Amounts reclassified from accumulated other comprehensive loss	944
Other comprehensive (loss) income	(20,629)	$ 20,740
Ending balance	1,899,846	1,781,290
Accumulated other comprehensive loss
Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(251,361)	(345,310)
Ending balance	(271,990)	$ (324,570)
Unrecognized Net Defined Benefit Plan Costs
Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(133,523)
Other comprehensive loss before reclassifications	0
Amounts reclassified from accumulated other comprehensive loss	1,403
Other comprehensive (loss) income	1,403
Ending balance	(132,120)
Change in Fair Value of Derivatives
Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(216)
Other comprehensive loss before reclassifications	2,884
Amounts reclassified from accumulated other comprehensive loss	(459)
Other comprehensive (loss) income	2,425
Ending balance	2,209
Foreign Currency Translation
Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(117,622)
Other comprehensive loss before reclassifications	(24,457)
Amounts reclassified from accumulated other comprehensive loss	0
Other comprehensive (loss) income	(24,457)
Ending balance	$ (142,079)