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INCOME PER COMMON SHARE (Tables)
9 Months Ended
Sep. 30, 2012
INCOME PER COMMON SHARE [Abstract]  
Weighted average shares used in calculating basic and diluted earnings per common share
Basic and diluted earnings per common share for the third quarter and nine months periods were calculated using the weighted average shares as follows:
 
     Third Quarter Ended      Nine Months Ended  
   Sept. 30,     Sept. 25,    Sept. 30,      Sept. 25,  
(thousands)  2012    2011    2012    2011  
Weighted average common shares outstanding - basic
  10,673   9,865   10,473   9,673 
Effect of potentially dilutive securities
  236   522   232   557 
Weighted average common shares outstanding - diluted
  10,909   10,387   10,705   10,230