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Employee Benefit Plans | 6 Months Ended
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Jun. 30, 2025
Retirement Benefits [Abstract] |
Employee Benefit Plans | Note 11 – Employee Benefit Plans Net periodic benefit costs related to the Company’s unfunded supplemental benefit pension plans are summarized as follows:
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
(in millions) |  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Expense: |  |  |  |  |  |  |  |  |  |  |  |
Service costs |  | $ | 0.1 |  |  | $ | 0.1 |  |  |  | 0.1 |  |  |  | 0.1 |
Interest costs |  |  | 2.3 |  |  |  | 2.4 |  |  |  | 4.7 |  |  |  | 4.8 |
Amortization of net actuarial loss |  |  | 0.4 |  |  |  | 0.5 |  |  |  | 0.9 |  |  |  | 1.1 |
|  | $ | 2.8 |  |  | $ | 3.0 |  |  | $ | 5.7 |  |  | $ | 6.0 |
The Company contributed $7.5 million to its unfunded supplemental benefit pension plans during the six months ended June 30, 2025 and expects to contribute an additional $8.8 million during the remainder of 2025.

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- Definition The entire disclosure of an entity's employee compensation and benefit plans, excluding share-based compensation and including, but not limited to, postemployment and postretirement benefit plans, defined benefit pension plans, defined contribution plans, non-qualified and supplemental benefit plans, deferred compensation, life insurance, severance, health care, unemployment and other benefit plans. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 710 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/710/tableOfContent Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 712 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/712/tableOfContent Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 715 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/715/tableOfContent + Details
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