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COMMITMENTS AND CONTINGENCIES (Tables)
9 Months Ended
Sep. 30, 2021
COMMITMENTS AND CONTINGENCIES [Abstract]  
Accrued Environmental Remediation Costs September 30 December 31 September 30in thousands2021 2020 2020Accrued Environmental Remediation Costs Continuing operations$        25,414  $        25,544  $        26,094  Retained from former Chemicals business 10,696  10,971  10,900  Total$        36,110  $        36,515  $        36,994