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PENSIONS AND OTHER BENEFITS (Tables)
3 Months Ended
Mar. 31, 2015
Compensation and Retirement Disclosure [Abstract]  
Components of net periodic cost
  Three months ended March 31, (in thousands)    2014  
Service cost  $ 
Interest cost on benefit obligation   67 
Expected return on plan assets   (75)
Amortization of net loss   (4)
Net periodic benefit cost  $(12)