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COMMITMENTS AND CONTINGENCIES (Tables)
6 Months Ended
Jun. 30, 2020
COMMITMENTS AND CONTINGENCIES [Abstract]  
Accrued Environmental Remediation Costs

June 30

December 31

June 30

in thousands

2020

2019

2019

Accrued Environmental Remediation Costs

Continuing operations

$        22,743 

$        30,429 

$        35,218 

Retained from former Chemicals business

10,846 

10,972 

10,726 

Total

$        33,589 

$        41,401 

$        45,944