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Other Non-Current Liabilities
6 Months Ended
Jun. 30, 2025
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Other Non-Current Liabilities Other Non-Current Liabilities
Significant other non-current liabilities were as follows (in thousands):

June 30, 2025December 31, 2024
Contingent consideration(1)
$$7,232
Long-term non-income taxes1,210 1,130
Finance lease liability172694
Other non-current liabilities
$1,382$9,056
(1) Contingent consideration declined $7.2 million due to alleviation through disposition of the TerraFlame manufacturing operations, as discussed in Note 15, Fair Value Measurements and Note 17, Variable Interest Entities.