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Pension Plans and Postretirement Benefits
 6 Months Ended
Jun. 30, 2025
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 June 30, 2025 and 2024, these amounts were $3.3 million and
$1.9 million, respectively. For the six months ended June 30, 2025 and 2024, these amounts were $5.0 million and $4.0 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 June 30, 2025 and 2024, these amounts were $(2.0) million and $(2.7) million, respectively. For the six months ended June 30, 2025 and 2024, these amounts were $(3.7) million and $(5.7) million, respectively. Components of net periodic benefit cost included in net income were as follows:
 Pension BenefitsOther Benefits
Three Months Ended
June 30,		Six Months Ended
June 30,		Three Months Ended
June 30,		Six Months Ended
June 30,
 20252024202520242025202420252024
 (In thousands)
Service cost$2,897 $1,768 $4,580 $3,765 $384 $96 $469 $193 
Interest cost13,782 11,133 25,235 22,763 869 503 1,401 1,008 
Expected return on plan assets
(16,987)(14,654)(30,991)(30,153)(487)(487)(973)(974)
Amortization of prior service cost 792 820 1,583 1,640 22 12 44 23 
Net periodic benefit (income) / loss$484 $(933)$407 $(1,985)$788 $124 $941 $250