LONG-TERM OBLIGATIONS (Tables)
 12 Months Ended
Dec. 31, 2015
Debt Disclosure [Abstract]  
Long-Term Debt
7. LONG-TERM OBLIGATIONS
        
Long-term debt consisted of the following for the periods indicated (amounts in millions):
        
   As of December 31,
   2015 2014
$100.0 million Term Loan; principal payments plus accrued interest payable quarterly; interest rate at ABR Rate plus applicable percentage or Eurodollar Rate plus the applicable percentage (2.42% at December 31, 2015); due August 28, 2020 $100.0 $0.0
$60.0 million Term Loan; $3.0 million principal payments plus accrued interest payable quarterly; interest rate at ABR Rate plus applicable percentage or Eurodollar Rate plus the applicable percentage; due October 26, 2017  0.0  33.0
$120.0 million Revolving Credit Facility; interest only quarterly payments; interest rate at ABR Rate plus applicable percentage or Eurodollar Rate plus the applicable percentage; due October 26, 2017  0.0  15.0
$70.0 million Second Lien Loan; interest only quarterly payments; interest rate at ABR Rate plus applicable percentage or Eurodollar Rate plus the applicable percentage; due July 28, 2020  0.0  70.0
Discount on Second Lien Loan   -  (1.6)
    100.0  116.4
Current portion of long-term obligations  (5.0)  (12.0)
 Total $95.0 $104.4
        
Maturities of Long-Term Debt
Maturities of debt as of December 31, 2015 are as follows (amounts in millions):
      
   Long-term obligations 
 2016 $5.0 
 2017  5.0 
 2018  10.0 
 2019  10.0 
 2020  70.0 
   $100.0 
Commitment Fee Under Credit Facilities
 Consolidated Leverage Ratio Margin for ABR Loans Margin for Eurodollar Loans Commitment Fee Letter of Credit Fee  
 ≥ 2.75 to 1.0 2.00% 3.00% 0.40% 3.00%  
 < 2.75 to 1.0 but ≥ 1.75 to 1.0 1.50% 2.50% 0.35% 2.50%  
 < 1.75 to 1.0 but ≥ 0.75 to 1.0 1.00% 2.00% 0.30% 2.00%  
 < 0.75 to 1.0 0.50% 1.50% 0.25% 1.50%