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COMMITMENTS AND CONTINGENCIES (Tables)
3 Months Ended
Mar. 31, 2020
COMMITMENTS AND CONTINGENCIES [Abstract]  
Accrued Environmental Remediation Costs

March 31

December 31

March 31

in thousands

2020

2019

2019

Accrued Environmental Remediation Costs

Continuing operations

$        25,837 

$        30,429 

$        37,590 

Retained from former Chemicals business

10,982 

10,972 

10,814 

Total

$        36,819 

$        41,401 

$        48,404