v3.26.1
SUPPLEMENTAL STOCKHOLDERS’ EQUITY INFORMATION - Reclassifications Out of Accumulated Other Comprehensive Income (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Other components of net periodic benefit costs $ 3,637 $ 4,639 $ 7,219 $ 9,277
Total reclassification, before tax (125,215) (111,664) (223,533) (175,632)
Income tax expense (31,797) (28,719) (42,193) (43,136)
Total reclassification, net of tax $ (93,418) $ (82,945) (181,340) $ (132,496)
Amounts reclassified from accumulated other comprehensive loss        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Total reclassification, before tax     9,949  
Income tax expense     2,621  
Total reclassification, net of tax     7,328  
Amounts reclassified from accumulated other comprehensive loss | Amortization of prior service credit        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Other components of net periodic benefit costs     (972)  
Amounts reclassified from accumulated other comprehensive loss | Amortization of actuarial loss        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Other components of net periodic benefit costs     $ 10,921