Accumulated Other Comprehensive Loss (Changes) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Accumulated Other Comprehensive Income (Loss), Net of Tax
Balances, beginning of period	$ 112,632	$ 70,621
Other comprehensive income (loss) before reclassifications	(27,652)	(18,262)
Reclassifications into earnings	7,634	9,855
Other comprehensive loss, net of tax	(20,018)	(8,407)
Balances, end of period	92,882	23,389
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	5,447	4,881
Reclassifications into earnings	(114)	(51)
Other comprehensive loss, net of tax	5,333	4,830
Balances, end of period	9,136	3,419
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	(15,534)	(8,885)
Reclassifications into earnings	12	(31)
Other comprehensive loss, net of tax	(15,522)	(8,916)
Balances, end of period	(21,771)	(8,514)
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	7,736	9,937
Other comprehensive loss, net of tax	7,736	9,937
Balances, end of period	(748,903)	(841,126)
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	(17,565)	(14,258)
Reclassifications into earnings	0	0
Other comprehensive loss, net of tax	(17,565)	(14,258)
Balances, end of period	(38,792)	(1,317)
Total
Accumulated Other Comprehensive Income (Loss), Net of Tax
Balances, beginning of period	(780,312)	(839,131)
Other comprehensive loss, net of tax	(20,018)	(8,407)
Balances, end of period	$ (800,330)	$ (847,538)

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

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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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