| 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 ended | | Nine months ended | | September 30, 2026 | | September 30, 2025 | | September 30, 2026 | | September 30, 2025 | | Pension and SERPA Benefits: | | | | | | | | | Service cost | $ | 878 | | | $ | 963 | | | $ | 2,634 | | | $ | 2,889 | | | Interest cost | 19,946 | | | 20,501 | | | 59,838 | | | 61,505 | | | Expected return on plan assets | (30,444) | | | (32,799) | | | (91,332) | | | (98,397) | | | Amortization of unrecognized: | | | | | | | | Prior service cost | 252 | | | 380 | | | 756 | | | 1,140 | | Net gain (loss) | 1,054 | | | (174) | | | 3,162 | | | (522) | | | | | | | | | | Special retirement benefit cost | — | | | — | | | 2,952 | | | — | | | Net periodic benefit income | $ | (8,314) | | | $ | (11,129) | | | $ | (21,990) | | | $ | (33,385) | | | | | | | | | | | | | | | | | | | Postretirement Healthcare Benefits: | | | | | | | | | Service cost | $ | 532 | | | $ | 643 | | | $ | 1,596 | | | $ | 1,929 | | | Interest cost | 2,243 | | | 2,618 | | | 6,729 | | | 7,854 | | | Expected return on plan assets | (4,736) | | | (4,675) | | | (14,208) | | | (14,025) | | | Amortization of unrecognized: | | | | | | | | Prior service cost | 149 | | | 149 | | | 447 | | | 447 | | | Net loss | (1,562) | | | (1,369) | | | (4,686) | | | (4,107) | | | | | | | | | | | | | | | | | | | Net periodic benefit income | $ | (3,374) | | | $ | (2,634) | | | $ | (10,122) | | | $ | (7,902) | |
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