v3.26.1
Employee benefit plans (Tables)
6 Months Ended
Jun. 30, 2026
Retirement Benefits [Abstract]  
Schedule of Net Benefit Costs
Components of net periodic benefit cost for the Company's pension benefit plans were as follows:
Three Months EndedSix Months Ended
June 30,June 30,
2026202520262025
(In thousands)
Components of net periodic benefit cost:
Interest cost$3,128 $3,303 $6,256 $6,606 
Expected return on assets(3,392)(3,645)(6,783)(7,290)
Amortization of net actuarial loss1,432 1,194 2,864 2,387 
Net periodic benefit cost$1,168 $852 $2,337 $1,703 
Components of net periodic benefit credit for the Company's other postretirement benefit plans were as follows:
Three Months EndedSix Months Ended
June 30,June 30,
2026202520262025
(In thousands)
Components of net periodic benefit credit:
Service cost$94 $99 $188 $198 
Interest cost441 462 882 924 
Expected return on assets(1,270)(1,292)(2,540)(2,584)
Amortization of prior service credit(45)(289)(90)(579)
Amortization of net actuarial gain(23)(80)(46)(160)
Net periodic benefit credit, including amount capitalized(803)(1,100)(1,606)(2,201)
Less amount capitalized17 18 35 36 
Net periodic benefit credit$(820)$(1,118)$(1,641)$(2,237)