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SUPPLEMENTAL CASH FLOW INFORMATION (Tables)
 12 Months Ended
Dec. 31, 2015
SUPPLEMENTAL CASH FLOW INFORMATION [Abstract]  
Supplemental Cash Flow Information
(In thousands)
 
2015
  
2014
  
2013
 
       
Cash paid for income taxes
 
$
13,509
  
$
11,420
  
$
20,432
 
Income tax refunds received
  
5
   
191
   
3,003
 
Cash paid for interest
  
2,583
   
1,400
   
1,185
 
Noncash financing and investing activity:
            
Fixed assets acquired (adjusted) related to capital lease and financing obligations
  
3,176
   
28,536
   
(2,600
)
Increase in financing obligations
  
6,594
   
32,999
   
(2,600
)