Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning and end of period	$ 5,341,843	$ 5,549,653
Other comprehensive income (loss)	73,845	(106,955)	$ 13,569
Balance at end of year	5,236,697	5,341,843	5,549,653
Total
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning and end of period	(628,072)	(521,117)	(534,686)
Before reclassifications to income	70,360	(110,979)
Reclassifications to income	3,485	4,024
Other comprehensive income (loss)	73,845	(106,955)
Balance at end of year	(554,227)	(628,072)	(521,117)
Foreign Currency Translation Gains (Losses)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning and end of period	(516,324)	(381,632)
Before reclassifications to income	73,993	(134,692)
Reclassifications to income	0	0
Other comprehensive income (loss)	73,993	(134,692)
Balance at end of year	(442,331)	(516,324)	(381,632)
Retirement and Postretirement Benefit Plan Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning and end of period	(111,748)	(139,485)
Before reclassifications to income	(3,633)	23,713
Reclassifications to income	3,485	4,024
Other comprehensive income (loss)	(148)	27,737
Balance at end of year	(111,896)	(111,748)	$ (139,485)
Reclassification before tax	4,200	5,400
Deferred Loss on Interest Rate Derivative Hedges
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Reclassification tax	$ 700	$ 1,400