Accumulated Other Comprehensive Loss - Changes in Accumulated Other Comprehensive (Loss) by Component (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
AOCI Attributable to Parent [Roll Forward]
Beginning balance	$ 3,490,742
Other comprehensive (loss) before reclassifications	(215,148)	$ 126,539
Amounts reclassified from accumulated other comprehensive loss	40,345	52,224
Net current period other comprehensive (loss)	(174,803)	178,763
Ending balance	3,790,363	3,490,742
Pension and Other Post-Retirement Benefits
AOCI Attributable to Parent [Roll Forward]
Beginning balance	(463,227)	(692,868)
Other comprehensive (loss) before reclassifications	(71,258)	192,382
Amounts reclassified from accumulated other comprehensive loss	27,875	37,259
Net current period other comprehensive (loss)	(43,383)	229,641
Ending balance	(506,610)	(463,227)
Cash Flow Hedges
AOCI Attributable to Parent [Roll Forward]
Beginning balance	(15,042)	(30,007)
Other comprehensive (loss) before reclassifications	0	0
Amounts reclassified from accumulated other comprehensive loss	12,470	14,965
Net current period other comprehensive (loss)	12,470	14,965
Ending balance	(2,572)	(15,042)
Foreign Currency Translation
AOCI Attributable to Parent [Roll Forward]
Beginning balance	(379,470)	(313,627)
Other comprehensive (loss) before reclassifications	(143,890)	(65,843)
Amounts reclassified from accumulated other comprehensive loss	0	0
Net current period other comprehensive (loss)	(143,890)	(65,843)
Ending balance	(523,360)	(379,470)
Total
AOCI Attributable to Parent [Roll Forward]
Beginning balance	(857,739)	(1,036,502)
Ending balance	$ (1,032,542)	$ (857,739)