Accumulated Other Comprehensive Loss - Amounts Included in Accumulated Other Comprehensive Loss, Net of Tax (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	$ 1,989,581
Other comprehensive income before reclassifications	49,569
Amounts reclassified from accumulated other comprehensive loss	402
Other comprehensive income (loss)	49,971	$ (20,629)
Ending balance	2,083,344	1,899,846
Accumulated other comprehensive loss
Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(353,357)	(251,361)
Ending balance	(303,386)	$ (271,990)
Unrecognized Net Defined Benefit Plan Costs
Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(129,988)
Other comprehensive income before reclassifications	0
Amounts reclassified from accumulated other comprehensive loss	1,400
Other comprehensive income (loss)	1,400
Ending balance	(128,588)
Change in Fair Value of Derivatives
Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(5,039)
Other comprehensive income before reclassifications	4,069
Amounts reclassified from accumulated other comprehensive loss	(998)
Other comprehensive income (loss)	3,071
Ending balance	(1,968)
Foreign Currency Translation
Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(218,330)
Other comprehensive income before reclassifications	45,500
Amounts reclassified from accumulated other comprehensive loss	0
Other comprehensive income (loss)	45,500
Ending balance	$ (172,830)