SUPPLEMENTAL STOCKHOLDERS’ EQUITY INFORMATION - Reclassifications Out of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other components of net periodic benefit costs/(income)	$ 4,638	$ 1,051
Total reclassification, before tax	(63,968)	(55,655)
Income tax expense	(14,417)	(15,238)
Total reclassification, net of tax	(49,551)	$ (40,417)
Amounts reclassified from accumulated other comprehensive loss
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total reclassification, before tax	4,405
Income tax expense	1,158
Total reclassification, net of tax	3,247
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/(income)	(486)
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/(income)	$ 4,891