Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning of period	$ 5,341,843
Components of other comprehensive income (loss):
Before reclassifications to income	(1,667)
Reclassifications to income	864
Other comprehensive income (loss)	(803)	$ (34,618)
Balance at end of period	5,277,279	5,492,505
Accumulated Other Comprehensive Loss
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning of period	(628,072)	(521,117)
Components of other comprehensive income (loss):
Balance at end of period	(628,875)	$ (555,735)
Foreign Currency Translation Gains (Losses)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning of period	(516,324)
Components of other comprehensive income (loss):
Before reclassifications to income	(1,667)
Reclassifications to income	0
Other comprehensive income (loss)	(1,667)
Balance at end of period	(517,991)
Retirement and Postretirement Benefit Plan Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning of period	(111,748)
Components of other comprehensive income (loss):
Before reclassifications to income	0
Reclassifications to income	864
Other comprehensive income (loss)	864
Balance at end of period	(110,884)
Reclassifications before taxes, included in net periodic benefit expense	1,000
Deferred Loss on Interest Rate Derivative Hedges
Components of other comprehensive income (loss):
Reclassifications, income tax expense	$ 200