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FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables)
12 Months Ended
Dec. 31, 2012
FAIR VALUE OF FINANCIAL INSTRUMENTS [Abstract]  
Fair value of long-term debt
In thousands
December 31,
 
 
2012
 
2011
 
Carrying amount
 
$
107,368
 
 
$
108,257
 
Estimated fair value
 
 
133,818
 
 
 
127,912