Accumulated Other Comprehensive Income (Loss) (Reclassifications out of AOCI) (Details 3) - USD ($) $ in Thousands		3 Months Ended				6 Months Ended
		Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Interest expense		$ 91,383		$ 11,774		$ 110,711	$ 26,068
Provision for Income Taxes		4,100		41,800		47,600	61,000
Net of Tax		18,827	$ (125,339)	(124,171)	$ (52,977)	(106,512)	(177,148)
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Net of Tax		(9,207)		(7,680)		(19,362)	(15,547)
Foreign Currency Translation Adjustment [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Reclassifications, net of tax						0
Pension and Other Postretirement Plans [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Reclassifications, before tax		(12,215)		(10,023)		(25,696)	(20,380)
Provision for Income Tax		3,128		2,578		6,579	5,242
Reclassifications, net of tax		(9,087)		(7,445)		(19,117)	(15,138)
Net Prior Service (Credit) Cost [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Reclassifications, before tax	[1]	(482)		411		(976)	820
Provision for Income Tax		124		(106)		250	(211)
Reclassifications, net of tax		(358)		305		(726)	609
Net Actuarial Gain [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Reclassifications, before tax	[1]	(11,733)		(10,434)		(24,720)	(21,200)
Provision for Income Tax		3,004		2,684		6,329	5,453
Reclassifications, net of tax		(8,729)		(7,750)		(18,391)	(15,747)
Cash Flow Hedges [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Reclassifications, net of tax						(245)
Cash Flow Hedges [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Interest expense		$ (120)		$ (235)		$ (245)	$ (409)

[1] These accumulated other comprehensive income (loss) components are included in the computation of net periodic pension and postretirement plan cost (see Note 11) and are included in non-operating pension and postretirement benefit income in the Company’s Condensed Consolidated Statements of Operations.