v3.24.1.u1
Pension Plans and Postretirement Benefits
 3 Months Ended
Mar. 31, 2024
Retirement Benefits [Abstract]  
Pension Plans and Postretirement Benefits PENSION PLANS AND POSTRETIREMENT BENEFITS
We record the service cost component of net periodic benefit cost within Operating income on our condensed consolidated statements of income. For the three months ended March 31, 2024 and 2023, these amounts were $2.1 million and $2.0 million, respectively. All other components of net periodic benefit cost are included in Other – net within the condensed consolidated statements of income. For the three months ended March 31, 2024 and 2023, these amounts were $(3.0) million and $(2.5) million, respectively. Components of net periodic benefit cost included in net income were as follows:
 Pension BenefitsOther Benefits
Three Months Ended
March 31,		Three Months Ended
March 31,
 2024202320242023
 (In thousands)
Service cost$1,997 $1,879 $97 $85 
Interest cost11,630 11,910 505 535 
Expected return on plan assets
(15,499)(15,110)(487)(634)
Amortization of prior service cost 820 820 11 10 
Net periodic benefit income$(1,052)$(501)$126 $(4)