Accumulated Other Comprehensive Loss - Amounts Included in Accumulated Other Comprehensive Loss, Net of Tax (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance			$ 1,562,696
Other comprehensive loss before reclassifications			(106,822)
Amounts reclassified from accumulated other comprehensive loss			1,294
Other comprehensive loss	$ (57,140)	$ (27,725)	(105,528)	$ (30,205)
Ending balance	1,693,231	1,456,706	1,693,231	1,456,706
Accumulated other comprehensive loss
Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(308,216)	(263,433)	(259,828)	(260,953)
Ending balance	(365,356)	$ (291,158)	(365,356)	$ (291,158)
Unrecognized Net Defined Benefit Plan Costs
Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance			(119,474)
Other comprehensive loss before reclassifications			0
Amounts reclassified from accumulated other comprehensive loss			1,731
Other comprehensive loss			1,731
Ending balance	(117,743)		(117,743)
Change in Fair Value of Derivatives
Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance			(2,327)
Other comprehensive loss before reclassifications			3,135
Amounts reclassified from accumulated other comprehensive loss			(437)
Other comprehensive loss			2,698
Ending balance	371		371
Foreign Currency Translation
Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance			(138,027)
Other comprehensive loss before reclassifications			(109,957)
Amounts reclassified from accumulated other comprehensive loss			0
Other comprehensive loss			(109,957)
Ending balance	$ (247,984)		$ (247,984)