Accumulated Other Comprehensive Loss - Changes in Accumulated Other Comprehensive (Loss) by Component (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
AOCI Attributable to Parent [Roll Forward]
Beginning balance	$ 4,351,851	$ 4,416,985
Other comprehensive income (loss) before reclassifications		(64,642)
Amounts reclassified from accumulated other comprehensive loss		5,775
Other comprehensive income, net of income taxes		(58,867)
Ending balance	4,718,918	4,556,123
Total
AOCI Attributable to Parent [Roll Forward]
Beginning balance	(1,261,743)	(976,872)
Other comprehensive income (loss) before reclassifications	186,157
Amounts reclassified from accumulated other comprehensive loss	7,367
Other comprehensive income, net of income taxes	193,524
Ending balance	(1,068,219)	(1,035,739)
Pension and Other Post-Retirement Benefits
AOCI Attributable to Parent [Roll Forward]
Beginning balance	(581,000)	(517,941)
Other comprehensive income (loss) before reclassifications	0	0
Amounts reclassified from accumulated other comprehensive loss	7,367	5,775
Other comprehensive income, net of income taxes	7,367	5,775
Ending balance	(573,633)	(512,166)
Foreign Currency Translation
AOCI Attributable to Parent [Roll Forward]
Beginning balance	(680,743)	(458,931)
Other comprehensive income (loss) before reclassifications	186,157	(64,642)
Amounts reclassified from accumulated other comprehensive loss	0	0
Other comprehensive income, net of income taxes	186,157	(64,642)
Ending balance	$ (494,586)	$ (523,573)