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
Business Combination, Contingent Consideration, Liability, Measurement Input	us-gaap:MeasurementInputDiscountRateMember	us-gaap:MeasurementInputDiscountRateMember