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Cash and cash equivalents (Tables)
 12 Months Ended
Apr. 28, 2012
Cash and cash equivalents

At April 28, 2012 and April 30, 2011, cash and short-term investments consisted of the following:

 

     April 28,
2012		      April 30,
2011		  

Cash on hand

    $ 251,849       $ 200,443   

Cash equivalents:

      

Government securities

      0         76,137   

Money market funds

      321,932         112,085   
  

 

 

     

 

 

  
     321,932         188,222   
  

 

 

     

 

 

  

Total

    $ 573,781       $ 388,665