Accumulated Other Comprehensive Loss - Changes in Accumulated Other Comprehensive (Loss) by Component (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
AOCI Attributable to Parent [Roll Forward]
Beginning balance	$ 4,416,985	$ 3,804,447
Other comprehensive income (loss) before reclassifications	(79,920)	23,827
Amounts reclassified from accumulated other comprehensive loss	2,888	1,914
Other comprehensive income (loss), net of income taxes	(77,032)	25,741
Ending balance	4,417,176	3,939,636
Pension and Other Post-Retirement Benefits
AOCI Attributable to Parent [Roll Forward]
Beginning balance	(517,941)	(506,610)
Other comprehensive income (loss) before reclassifications	0	0
Amounts reclassified from accumulated other comprehensive loss	2,888	1,914
Other comprehensive income (loss), net of income taxes	2,888	1,914
Ending balance	(515,053)	(504,696)
Cash Flow Hedges
AOCI Attributable to Parent [Roll Forward]
Beginning balance	0	(2,572)
Other comprehensive income (loss) before reclassifications	0	0
Amounts reclassified from accumulated other comprehensive loss	0	0
Other comprehensive income (loss), net of income taxes	0	0
Ending balance	0	(2,572)
Foreign Currency Translation
AOCI Attributable to Parent [Roll Forward]
Beginning balance	(458,931)	(523,360)
Other comprehensive income (loss) before reclassifications	(79,920)	23,827
Amounts reclassified from accumulated other comprehensive loss	0	0
Other comprehensive income (loss), net of income taxes	(79,920)	23,827
Ending balance	(538,851)	(499,533)
Total
AOCI Attributable to Parent [Roll Forward]
Beginning balance	(976,872)	(1,032,542)
Ending balance	$ (1,053,904)	$ (1,006,801)