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Other Non-Current Liabilities | 12 Months Ended
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Dec. 31, 2023
Other Liabilities Disclosure [Abstract] |
Other Non-Current Liabilities | 15. Other Non-Current Liabilities The composition of other non-current liabilities was as follows:
|  | December 31 |
(In thousands) |  | 2023 |  |  | 2022 |
Deferred revenue |  | $ | 6,647 |  |  | $ | 8,762 |
Environmental and legal matters |  |  | 8,491 |  |  |  | 16,276 |
Deferred compensation liability |  |  | 27,607 |  |  |  | 32,459 |
Pension liability |  |  | 5,430 |  |  |  | 5,241 |
Other non-current liabilities |  |  | 21,172 |  |  |  | 17,953 |
Total other non-current liabilities |  | $ | 69,347 |  |  | $ | 80,691 |

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- Definition The entire disclosure for other liabilities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.20,24) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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