v3.26.1
Accumulated Other Comprehensive Income (Loss) (Reclassifications out of AOCI) (Details 3) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2026
Jun. 30, 2025
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]            
Other expense, net $ (2,531)   $ (16,456)   $ (2,959) $ (20,521)
Interest expense 17,173   18,106   33,402 100,383
Provision for Income Taxes 35,100   20,200   45,000 28,100
Net of Tax (282,376) $ (30,751) (40,423) $ (25,721) (313,127) (66,144)
Reclassification out of Accumulated Other Comprehensive Income [Member]            
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]            
Net of Tax (95,544)   37   (95,937) (571)
Foreign Currency Translation Adjustment [Member]            
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]            
Reclassifications, before tax 6,175   646   6,175 646
Provision for Income Tax 0   0   0 0
Reclassifications, net of tax 6,175   646   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, net 6,175   646   6,175 646
Pension and Other Postretirement Plans [Member]            
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]            
Reclassifications, before tax (137,710)   (901)   (138,464) (1,799)
Provision for Income Tax 35,821   231   36,018 461
Reclassifications, net of tax (101,889)   (670)   (102,446) (1,338)
Net Prior Service Credit [Member]            
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]            
Reclassifications, before tax [1] (497)   (521)   (993) (1,040)
Provision for Income Tax 129   133   259 266
Reclassifications, net of tax (368)   (388)   (734) (774)
Net Actuarial Gain (Loss) [Member]            
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]            
Reclassifications, before tax [1] (258)   (380)   (516) (759)
Provision for Income Tax 67   98   134 195
Reclassifications, net of tax (191)   (282)   (382) (564)
Settlement Gains Included In Net Income [Member]            
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]            
Reclassifications, before tax (136,955)   0   (136,955) 0
Provision for Income Tax 35,625   0   35,625 0
Reclassifications, net of tax (101,330)   0   (101,330) 0
Cash Flow Hedges [Member]            
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]            
Reclassifications, net of tax         334  
Cash Flow Hedges [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]            
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]            
Interest expense $ 170   $ 61   $ 334 $ 121
[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.