Accumulated Other Comprehensive Loss (Changes) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Accumulated Other Comprehensive Income (Loss), Net of Tax
Balances, beginning of period	$ 44,154	$ 53,370	$ 112,632	$ 66,395
Other comprehensive income (loss) before reclassifications			(148,381)	(31,829)
Reclassifications into earnings			23,240	29,730
Other comprehensive loss, net of tax	(55,400)	(9,927)	(125,141)	(2,099)
Balances, end of period	(8,276)	48,663	(8,276)	48,663
Cash flow hedges
Accumulated Other Comprehensive Income (Loss), Net of Tax
Balances, beginning of period			3,803	(1,411)
Other comprehensive income (loss) before reclassifications			9,832	3,425
Reclassifications into earnings			(417)	49
Other comprehensive loss, net of tax			9,415	3,474
Balances, end of period	13,218	2,063	13,218	2,063
Available for sale securities
Accumulated Other Comprehensive Income (Loss), Net of Tax
Balances, beginning of period			(6,249)	402
Other comprehensive income (loss) before reclassifications			(36,091)	(6,330)
Reclassifications into earnings			(57)	(55)
Other comprehensive loss, net of tax			(36,148)	(6,385)
Balances, end of period	(42,397)	(5,983)	(42,397)	(5,983)
Pension and postretirement benefit plans
Accumulated Other Comprehensive Income (Loss), Net of Tax
Balances, beginning of period			(756,639)	(851,063)
Other comprehensive income (loss) before reclassifications			0	0
Reclassifications into earnings			23,714	29,736
Other comprehensive loss, net of tax			23,714	29,736
Balances, end of period	(732,925)	(821,327)	(732,925)	(821,327)
Foreign currency adjustments
Accumulated Other Comprehensive Income (Loss), Net of Tax
Balances, beginning of period			(21,227)	12,941
Other comprehensive income (loss) before reclassifications			(122,122)	(28,924)
Reclassifications into earnings			0	0
Other comprehensive loss, net of tax			(122,122)	(28,924)
Balances, end of period	(143,349)	(15,983)	(143,349)	(15,983)
Total
Accumulated Other Comprehensive Income (Loss), Net of Tax
Balances, beginning of period	(850,053)	(831,303)	(780,312)	(839,131)
Other comprehensive loss, net of tax	(55,400)	(9,927)	(125,141)	(2,099)
Balances, end of period	$ (905,453)	$ (841,230)	$ (905,453)	$ (841,230)

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount after tax, before reclassification adjustments, of other comprehensive income (loss), attributable to parent.

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Amount after tax of other comprehensive income (loss) attributable to parent entity.

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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