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PENSIONS AND OTHER BENEFITS (Tables)
6 Months Ended
Jun. 30, 2015
Compensation and Retirement Disclosure [Abstract]  
Components of net periodic cost
     Three months ended      Six months ended  
  Periods ended June 30, (in thousands)    2014      2014  
Service cost  $   $ 
Interest cost on benefit obligation   71    138 
Expected return on plan assets   (73)   (148)
Amortization of net loss   3     
Settlements and curtailments        
Net periodic benefit cost  $1   $(10)