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FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS - Assets and Liabilities (Details) $ in Thousands | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($)
--- | --- | ---
Liabilities: |  |
Contingent consideration, noncurrent | $ 2,650 | $ 92,900
Recurring basis |  |
Assets: |  |
Assets | 49,966 | 100,091
Liabilities: |  |
Contingent consideration, noncurrent | 2,650 | 92,900
Recurring basis | Cash and cash equivalents |  |
Assets: |  |
Money market funds | 44,396 | 93,754
Recurring basis | Other long-term assets |  |
Assets: |  |
Equity, bond, and money market mutual funds held in trust related to the Voluntary Savings Plan | 5,570 | 4,627
Interest rate swap |  | 1,710
Recurring basis | Level 1 |  |
Assets: |  |
Assets | 49,966 | 98,381
Recurring basis | Level 1 | Cash and cash equivalents |  |
Assets: |  |
Money market funds | 44,396 | 93,754
Recurring basis | Level 1 | Other long-term assets |  |
Assets: |  |
Equity, bond, and money market mutual funds held in trust related to the Voluntary Savings Plan | 5,570 | 4,627
Recurring basis | Level 2 |  |
Assets: |  |
Assets |  | 1,710
Recurring basis | Level 2 | Other long-term assets |  |
Assets: |  |
Interest rate swap |  | 1,710
Recurring basis | Level 3 |  |
Liabilities: |  |
Contingent consideration, noncurrent | $ 2,650 | $ 92,900
Recurring basis | Level 3 | Contingent consideration |  |
Liabilities: |  |
Measurement input | 0.129 | 0.133
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