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Comprehensive Income (Tables)
6 Months Ended
Mar. 31, 2012
Comprehensive Income [Abstract]  
Comprehensive income
Comprehensive Income for the three and six-fiscal month periods ended March 31, 2012 and April 2, 2011 was as follows:

   
Three Fiscal Months Ended
  
Six Fiscal Months Ended
 
   
March 31,
  
April 2,
  
March 31,
  
April 2,
 
   
2012
  
2011
  
2012
  
2011
 
   
(expressed in thousands)
 
Net income
 $11,157  $11,808  $26,696  $25,097 
Change in cumulative translation adjustment
  718   4,119   (753)  2,788 
Pension benefit plan adjustments
  (55)  (238)  113   (564)
Change in unrealized loss on derivative instruments
  (176)  (134)  432   127 
Comprehensive income
 $11,644  $15,555  $26,488  $27,448