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Derivatives And Hedging Activities (Tables)
6 Months Ended
Oct. 28, 2011
Derivatives And Hedging Activities [Abstract]  
Schedule Of Notional Value Of Outstanding Currency Forward Contracts
     October 28,
2011
     April 29,
2011
 

Cash Flow Hedges

     

Euro

   $ 152.8       $ 104.0   

British Pound Sterling

     36.1         20.9   

Balance Sheet Contracts

     

Euro

     192.7         253.7   

British Pound Sterling

     39.2         70.8   

Australian Dollar

     51.3         34.4   

Canadian Dollar

     20.9         56.0   

Other

     51.3         52.6