Accumulated Other Comprehensive Loss - Changes in Accumulated Other Comprehensive (Loss) by Component (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
AOCI Attributable to Parent [Roll Forward]
Beginning balance	$ 3,503,290	$ 3,218,003
Other comprehensive loss before reclassifications	(248,757)	(75,738)
Amounts reclassified from accumulated other comprehensive loss	32,180	39,154
Other comprehensive income (loss), net of income taxes	(216,577)	(36,584)
Ending balance	3,678,192	3,196,558
Total
AOCI Attributable to Parent [Roll Forward]
Beginning balance	(857,739)	(1,036,502)
Ending balance	(1,074,316)	(1,073,086)
Pension and Other Post-Retirement Benefits
AOCI Attributable to Parent [Roll Forward]
Beginning balance	(463,227)	(692,868)
Other comprehensive loss before reclassifications	0	0
Amounts reclassified from accumulated other comprehensive loss	20,957	27,931
Other comprehensive income (loss), net of income taxes	20,957	27,931
Ending balance	(442,270)	(664,937)
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	11,223	11,223
Other comprehensive income (loss), net of income taxes	11,223	11,223
Ending balance	(3,819)	(18,784)
Foreign Currency Translation
AOCI Attributable to Parent [Roll Forward]
Beginning balance	(379,470)	(313,627)
Other comprehensive loss before reclassifications	(248,757)	(75,738)
Amounts reclassified from accumulated other comprehensive loss	0	0
Other comprehensive income (loss), net of income taxes	(248,757)	(75,738)
Ending balance	$ (628,227)	$ (389,365)