v3.26.1
Employee Benefit Plans (Tables)
 6 Months Ended
Jun. 30, 2026
Retirement Benefits [Abstract]  
Schedule of Components of Net Periodic Benefit Costs Components of net periodic benefit (income) cost for the Company's defined benefit plans were as follows (in thousands):
Three months endedSix months ended
June 30,
2026		June 30,
2025		June 30,
2026		June 30,
2025
Pension and SERPA Benefits:
Service cost$878 $963 $1,756 $1,926 
Interest cost19,944 20,501 39,892 41,002 
Expected return on plan assets(30,444)(32,799)(60,888)(65,598)
Amortization of unrecognized:
Prior service cost
252 380 504 760 
Net gain (loss)
1,054 (174)2,108 (348)
Special retirement benefit cost
2,952 — 2,952 — 
Net periodic benefit income$(5,364)$(11,129)$(13,676)$(22,258)
Postretirement Healthcare Benefits:
Service cost$532 $643 $1,064 $1,286 
Interest cost2,243 2,618 4,486 5,236 
Expected return on plan assets(4,736)(4,675)(9,472)(9,350)
Amortization of unrecognized:
Prior service cost
149 149 298 298 
Net gain
(1,562)(1,369)(3,124)(2,738)
Net periodic benefit income$(3,374)$(2,634)$(6,748)$(5,268)