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STOCKHOLDERS' EQUITY AND SHARE-BASED COMPENSATION EXPENSE PERFORMANCE-BASED AWARDS NARRATIVE (Details)
$ / shares in Units, $ in Millions
9 Months Ended
Sep. 30, 2015
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Unrecognized share-based compensation expense | $ $ 21.2
PRSU [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Period for recognition 3 years
Average grant date fair value (in usd per share) | $ / shares $ 8.85
Outstanding (in shares) 1,070,323
PRSU's expected to vest (in shares) 962,323
Unrecognized share-based compensation expense | $ $ 2.8
PRSU [Member] | Minimum [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Vesting period 2 years
PRSU [Member] | Maximum [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Vesting period 4 years
2015 Program [Member] | PRSU [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Measurement period 12 months
Period for recognition 3 years
Units granted during period (in units) 243,000
Average grant date fair value (in usd per share) | $ / shares $ 11.88
2015 CEO Grants [Member] | PRSU [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Measurement period 12 months
Units granted during period (in units) 156,023
Average grant date fair value (in usd per share) | $ / shares $ 12.37