Accumulated Other Comprehensive Loss (Reclassifications) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest expense, net	$ (27,764)	$ (26,363)	$ (83,323)	$ (70,822)
Pension and postretirement benefit plans	(961)	(2,683)	(1,730)	(6,144)
(Loss) income from continuing operations before taxes	(43,880)	26,927	(4,130)	18,632
Financing revenue	499,463	503,033	1,510,477	1,552,509
Income tax provision (benefit)	(166,466)	9,115	(148,695)	18,331
Net loss	(138,472)	(12,519)	(166,224)	(161,791)
Reclassification out of Accumulated Other Comprehensive Loss | Cash flow hedges
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of sales	0	0	0	(33)
Interest expense, net	2,658	137	7,833	412
(Loss) income from continuing operations before taxes	2,658	137	7,833	379
Income tax provision (benefit)	665	34	1,958	95
Net loss	1,993	103	5,875	284
Reclassification out of Accumulated Other Comprehensive Loss | Available for sale securities
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Financing revenue	(638)	(20)	(1,773)	(11)
Income tax provision (benefit)	(160)	(5)	(443)	(3)
Net loss	(478)	(15)	(1,330)	(8)
Reclassification out of Accumulated Other Comprehensive Loss | Pension and postretirement benefit plans
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
(Loss) income from continuing operations before taxes	(6,291)	(4,190)	(19,621)	(13,783)
Income tax provision (benefit)	(1,560)	(1,032)	(4,842)	(3,397)
Net loss	(4,731)	(3,158)	(14,779)	(10,386)
Reclassification out of Accumulated Other Comprehensive Loss | Prior service costs
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Pension and postretirement benefit plans	(71)	(67)	(208)	(199)
Reclassification out of Accumulated Other Comprehensive Loss | Actuarial losses
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Pension and postretirement benefit plans	(6,220)	(3,757)	(19,413)	(12,904)
Reclassification out of Accumulated Other Comprehensive Loss | Settlement
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Pension and postretirement benefit plans	$ 0	$ (366)	$ 0	$ (680)