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Retirement Benefits
 9 Months Ended
Sep. 30, 2024
Postemployment Benefits [Abstract]  
Retirement Benefits Retirement Benefits
 
The components of net periodic benefit income related to the non-contributory, defined benefit pension plan were as follows:
 Three Months Ended September 30, Nine Months Ended September 30,
(In thousands)2024202320242023
Service cost$107 $124 $321 $372 
Interest cost373 373 1,121 1,119 
Expected return on plan assets(712)(663)(2,136)(1,989)
Amortization of net loss20 98 58 294 
Net Periodic Benefit Income$(212)$(68)$(636)$(204)
 
The Corporation has determined that it will not be contributing to the defined benefit plan in 2024 based on current levels and expected returns on plan assets. Effective April 1, 2012, no inactive or former participant in the plan is eligible to again participate in the plan, and no employee hired after March 31, 2012, is eligible to participate in the plan.