XML 54 R30.htm IDEA: XBRL DOCUMENT v3.24.2.u1
Pensions and Other Postretirement Benefit Plans (Tables)
6 Months Ended
Jun. 30, 2024
Retirement Benefits [Abstract]  
Schedule of Net Benefit Costs
The composition of the net periodic benefit cost/(income) for the six months ended June 30, 2024 and 2023, was as follows:
Pension plans
Other postretirement benefits
(in thousands)
2024202320242023
Components of net periodic benefit cost/(income):
Service cost
$986 $565 $23 $30 
Interest cost3,043 2,141 709 937 
Expected return on assets
(2,698)(1,955) — 
Amortization of prior service cost/(income)(14)(16)(62)(2,045)
Amortization of net actuarial loss
372 279 (18)414 
Net periodic benefit cost/(credit)
$1,689 $1,014 $652 $(664)