XML 41 R31.htm IDEA: XBRL DOCUMENT v3.23.3
Pension and Other Post-Retirement Benefit Plans (Tables)
9 Months Ended
Sep. 30, 2023
Retirement Benefits [Abstract]  
Schedule of Net Benefit Costs
ABX’s net periodic benefit costs for its defined benefit pension plans and post-retirement healthcare plans for the three and nine month periods ended September 30, 2023 and 2022, are as follows (in thousands):
Three Months Ended September 30,Nine Months Ended September 30,
 Pension PlansPost-Retirement Healthcare PlanPension PlansPost-Retirement Healthcare Plan
 20232022202320222023202220232022
Service cost$— $— $13 $19 $— $— $39 $57 
Interest cost8,631 6,075 33 15 25,893 18,098 99 44 
Expected return on plan assets(10,192)(11,738)— — (30,576)(35,215)— — 
Amortization of net loss4,745 1,002 — 11 14,235 1,628 — 34 
Net periodic benefit cost (income)$3,184 $(4,661)$46 $45 $9,552 $(15,489)$138 $135