XML 50 R31.htm IDEA: XBRL DOCUMENT v3.24.2.u1
Pension and Other Post-Retirement Benefits (Tables)
 6 Months Ended
Jun. 30, 2024
Retirement Benefits [Abstract]  
Schedule of net periodic costs for the defined benefit pension plans and the post retirement healthcare plans
The following table sets forth the net periodic costs for the defined benefit pension plans and post-retirement healthcare plans for the periods indicated (in thousands):
 Quarter ended June 30,
 Pension benefitsOther post-retirement benefits
 2024202320242023
Service cost$1,425 1,560 — — 
Interest cost2,205 2,245 15 7 
Expected return on plan assets(3,776)(3,479)— — 
Amortization of prior service cost(563)(564)— — 
Amortization of the net loss18 20 10 10 
Net periodic cost$(691)(218)25 17 

Six months ended June 30,
Pension benefitsOther post-retirement benefits
2024202320242023
Service cost$2,850 3,120 — — 
Interest cost4,410 4,490 30 14 
Expected return on plan assets(7,552)(6,958)— — 
Amortization of prior service cost(1,126)(1,128)— — 
Amortization of the net loss36 40 20 20 
Net periodic cost$(1,382)(436)50 34