v3.26.3
SUPPLEMENTAL STOCKHOLDERS’ EQUITY INFORMATION - Reclassifications Out of Accumulated Other Comprehensive Income (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Other components of net periodic benefit costs $ 3,637 $ 4,640 $ 10,856 $ 13,917
Total reclassification, before tax (129,879) (107,999) (353,412) (283,631)
Income tax expense (32,523) (26,352) (74,716) (69,488)
Total reclassification, net of tax $ (97,356) $ (81,647) (278,696) $ (214,143)
Amounts reclassified from accumulated other comprehensive loss        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Total reclassification, before tax     14,923  
Income tax expense     3,931  
Total reclassification, net of tax     10,992  
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     (1,459)  
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     $ 16,382