v3.26.1
ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME - Schedule of Reclassifications Out of Accumulated Other Comprehensive (Loss) Income (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Amount Reclassified from Accumulated Other Comprehensive Income        
Total before tax $ (115,047) $ (139,714) $ (208,818) $ (245,729)
Tax impact 27,037 27,982 48,041 55,334
Total reclassifications for the period (88,010) (111,732) (160,777) (190,395)
Amount Reclassified from Accumulated Other Comprehensive Income        
Amount Reclassified from Accumulated Other Comprehensive Income        
Total reclassifications for the period 119 149 228 281
Defined Benefit Pension Plans | Amount Reclassified from Accumulated Other Comprehensive Income        
Amount Reclassified from Accumulated Other Comprehensive Income        
Total before tax 170 215 329 407
Tax impact (51) (66) (101) (126)
Total reclassifications for the period 119 149 228 281
Amortization of net loss | Amount Reclassified from Accumulated Other Comprehensive Income        
Amount Reclassified from Accumulated Other Comprehensive Income        
Total before tax 142 190 274 359
Amortization of prior service cost | Amount Reclassified from Accumulated Other Comprehensive Income        
Amount Reclassified from Accumulated Other Comprehensive Income        
Total before tax $ 28 $ 25 $ 55 $ 48