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Defined Benefit Pension Plans (Tables) | 9 Months Ended
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Sep. 30, 2023
Retirement Benefits [Abstract] |
Schedule of Defined Benefit Plans Disclosures | Net periodic cost (benefit) related to all of the Company's defined benefit pension plans recognized in the Company's unaudited Condensed Consolidated Statements of Operations for the three and nine months ended September 30, 2023 and 2022 included the following components:
|  | Three Months Ended |  |  | Nine Months Ended |
(in thousands) |  | September 30, 2023 |  |  | September 30, 2022 |  |  | September 30, 2023 |  |  | September 30, 2022 |
Service cost |  | $ | 362 |  |  | $ | 315 |  |  | $ | 1,075 |  |  | $ | 1,006 |
Interest cost |  |  | 6,069 |  |  |  | 3,284 |  |  |  | 17,991 |  |  |  | 10,079 |
Expected return on assets |  |  | (6,900 | ) |  |  | (6,250 | ) |  |  | (20,468 | ) |  |  | (19,090 | )
Amortization of actuarial loss |  |  | 3,025 |  |  |  | 2,501 |  |  |  | 9,008 |  |  |  | 7,533 |
Net periodic cost (benefit) |  | $ | 2,556 |  |  | $ | (150 | ) |  | $ | 7,606 |  |  | $ | (472 | )

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- Definition Tabular disclosure of one or more of the entity's defined benefit pension plans or one or more other defined benefit postretirement plans, separately for pension plans and other postretirement benefit plans including the entity's schedule of fair value of plan assets for defined benefit or other postretirement plans. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 20 -Topic 715 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480482/715-20-55-17 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-3 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-4 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-2 + Details
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