v3.26.3
Accumulated Other Comprehensive Income (Loss) (Reclassifications out of AOCI) (Details 3) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Jun. 30, 2026
Mar. 31, 2026
Sep. 30, 2025
Jun. 30, 2025
Mar. 31, 2025
Sep. 30, 2026
Sep. 30, 2025
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]                
Other (expense) income, net $ (1,187)     $ 7     $ (4,146) $ (20,514)
Interest expense 15,769     17,164     49,171 117,547
Provision for Income Taxes 21,900     56,800     66,900 84,900
Net of Tax (77,243) $ (282,376) $ (30,751) (126,238) $ (40,423) $ (25,721) (390,370) (192,382)
Reclassification out of Accumulated Other Comprehensive Income [Member]                
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]                
Net of Tax (11,455)     (608)     (107,392) (1,179)
Foreign Currency Translation Adjustment [Member]                
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]                
Reclassifications, before tax             6,175 646
Provision for Income Tax             0 0
Reclassifications, net of tax             6,175 646
Foreign Currency Translation Adjustment [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]                
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]                
Other (expense) income, net 0     0     6,175 646
Pension and Other Postretirement Plans [Member]                
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]                
Reclassifications, before tax (15,704)     (898)     (154,168) (2,697)
Provision for Income Tax 4,085     229     40,103 690
Reclassifications, net of tax (11,619)     (669)     (114,065) (2,007)
Net Prior Service Credit [Member]                
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]                
Reclassifications, before tax [1] (496)     (520)     (1,489) (1,560)
Provision for Income Tax 129     133     388 399
Reclassifications, net of tax (367)     (387)     (1,101) (1,161)
Net Actuarial Gain (Loss) [Member]                
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]                
Reclassifications, before tax [1] (258)     (378)     (774) (1,137)
Provision for Income Tax 67     96     201 291
Reclassifications, net of tax (191)     (282)     (573) (846)
Settlement Gains Included In Net Income [Member]                
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]                
Reclassifications, before tax (14,950)     0     (151,905) 0
Provision for Income Tax 3,889     0     39,514 0
Reclassifications, net of tax (11,061)     0     (112,391) 0
Cash Flow Hedges [Member]                
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]                
Reclassifications, net of tax             498  
Cash Flow Hedges [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]                
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]                
Interest expense $ 164     $ 61     $ 498 $ 182
[1] These accumulated other comprehensive income (loss) components are included in the computation of net periodic pension and postretirement plan cost (see Note 12) and are included in non-operating pension and postretirement benefit income in the Company’s Condensed Consolidated Statements of Operations.