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Comprehensive Income
6 Months Ended
Sep. 30, 2012
Comprehensive Income [Abstract]  
Comprehensive Income
Note 8. Comprehensive Income
 
The components of total comprehensive income were as follows:

   
Fiscal Quarter Ended
  
Six Months Ended
 
   
September 30, 2012
  
September 25, 2011
  
September 30, 2012
  
September 25, 2011
 
              
Net income
 $5,268,900  $3,540,200  $9,475,400  $8,114,400 
Change in value of interest rate swap, net of tax
  --   3,100   --   24,600 
Total comprehensive income
 $5,268,900  $3,543,300  $9,475,400  $8,139,000