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SEGMENTS (Details)
$ in Thousands
3 Months Ended 12 Months Ended
Feb. 05, 2016
USD ($)
Dec. 31, 2015
USD ($)
Dec. 31, 2015
USD ($)
Mar. 31, 2015
USD ($)
Dec. 31, 2015
USD ($)
segment
Dec. 31, 2014
USD ($)
Dec. 31, 2013
USD ($)
Segment Reporting [Abstract]              
Number of reportable segments | segment         3    
Long-lived asset impairments         $ 28,333 $ 0 $ 0
Discount Supplements              
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Loss on disposition of business   $ 2,700          
Charles Brewer, California Wage and Break Claims              
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Litigation settlement, amount $ (9,500)   $ (6,300) $ (3,200)