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COMMITMENTS AND CONTINGENCIES (Details)
$ in Millions
1 Months Ended 12 Months Ended
Dec. 12, 2012
USD ($)
settlement_agreement
Oct. 13, 2016
producer
claim
Dec. 27, 2009
USD ($)
Loss Contingencies [Line Items]      
New claims filed   3  
Number of other producers named in lawsuits | producer   13  
New claims filed on behalf of direct purchasers   1  
New claims filed on behalf of indirect purchasers   2  
Due to IRS      
Loss Contingencies [Line Items]      
Damages sought | $ $ 29.3   $ 74.7
Number of Stipulations of Settled Issued | settlement_agreement 2