XML 120 R98.htm IDEA: XBRL DOCUMENT v3.24.0.1
PENSION AND OTHER POST-RETIREMENT BENEFIT PLANS - SCHEDULE OF COMPONENTS OF NET PERIODIC BENEFIT COST (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Pension Benefits       
Amounts recognized in net periodic benefit cost      
Service cost $ 14,991 $ 17,500 $ 21,361
Interest cost 41,205 30,491 18,320
Expected return on plan assets (48,978) (47,637) (49,091)
Amortization of prior service credit (5,658) (5,651) (6,142)
Amortization of net (gain) loss 19,846 16,060 20,556
Curtailment credit 0 0 0
Settlement loss 15,254 20,692 16,085
Total net periodic benefit cost 36,660 31,455 21,089
Change in plan assets and benefit obligations recognized in AOCI, pre-tax      
Actuarial net (gain) loss (32,720) 22,609 (80,047)
Prior service cost (credit) 5,670 5,601 6,447
Total recognized in other comprehensive (income) loss, pre-tax (27,050) 28,210 (73,600)
Net amounts recognized in periodic benefit cost and AOCI 9,610 59,665 (52,511)
Other Benefits       
Amounts recognized in net periodic benefit cost      
Service cost 221 302 1,879
Interest cost 7,171 4,603 3,857
Expected return on plan assets 0 0 0
Amortization of prior service credit (50) 0 0
Amortization of net (gain) loss (966) (92) 1,593
Curtailment credit 740 0 0
Settlement loss 926 0 0
Total net periodic benefit cost 6,562 4,813 7,329
Change in plan assets and benefit obligations recognized in AOCI, pre-tax      
Actuarial net (gain) loss 38,698 (26,212) (16,374)
Prior service cost (credit) (736) 0 0
Total recognized in other comprehensive (income) loss, pre-tax 37,962 (26,212) (16,374)
Net amounts recognized in periodic benefit cost and AOCI $ 44,524 $ (21,399) $ (9,045)