Accumulated Other Comprehensive Loss (Changes) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Accumulated Other Comprehensive Income (Loss), Net of Tax
Balances, beginning of period	$ 60,653	$ 112,632
Other comprehensive (loss) income before reclassifications	12,209	(27,652)
Reclassifications into earnings	3,377	7,634
Other comprehensive income (loss), net of tax	15,586	(20,018)
Balances, end of period	59,964	92,882
Cash flow hedges
Accumulated Other Comprehensive Income (Loss), Net of Tax
Balances, beginning of period	12,503	3,803
Other comprehensive (loss) income before reclassifications	(1,958)	5,447
Reclassifications into earnings	(104)	(114)
Other comprehensive income (loss), net of tax	(2,062)	5,333
Balances, end of period	10,441	9,136
Available for sale securities
Accumulated Other Comprehensive Income (Loss), Net of Tax
Balances, beginning of period	(39,440)	(6,249)
Other comprehensive (loss) income before reclassifications	3,280	(15,534)
Reclassifications into earnings	(8)	12
Other comprehensive income (loss), net of tax	3,272	(15,522)
Balances, end of period	(36,168)	(21,771)
Pension and postretirement benefit plans
Accumulated Other Comprehensive Income (Loss), Net of Tax
Balances, beginning of period	(716,056)	(756,639)
Other comprehensive (loss) income before reclassifications	0	0
Reclassifications into earnings	3,489	7,736
Other comprehensive income (loss), net of tax	3,489	7,736
Balances, end of period	(712,567)	(748,903)
Foreign currency adjustments
Accumulated Other Comprehensive Income (Loss), Net of Tax
Balances, beginning of period	(92,571)	(21,227)
Other comprehensive (loss) income before reclassifications	10,887	(17,565)
Reclassifications into earnings	0	0
Other comprehensive income (loss), net of tax	10,887	(17,565)
Balances, end of period	(81,684)	(38,792)
Total
Accumulated Other Comprehensive Income (Loss), Net of Tax
Balances, beginning of period	(835,564)	(780,312)
Other comprehensive income (loss), net of tax	15,586	(20,018)
Balances, end of period	$ (819,978)	$ (800,330)

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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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