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PENSIONS AND OTHER BENEFITS (Tables)
9 Months Ended
Sep. 30, 2015
Compensation and Retirement Disclosure [Abstract]  
Components of net periodic cost
     Three months ended      Nine months ended  
  Periods ended September 30, (in thousands)    2014      2014  
Interest cost on benefit obligation  $69   $207 
Expected return on plan assets   (74)   (222)
Net periodic benefit cost  $(5)  $(15)