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Property And Equipment (Tables)
12 Months Ended
Apr. 30, 2012
Property And Equipment [Abstract]  
Components Of Property And Equipment
     (in 000s)  

As of April 30,

   2012     2011  

Land and other non-depreciable assets

   $ 1,892      $ 2,245   

Buildings

     147,795        154,519   

Computers and other equipment

     419,101        390,599   

Capitalized software

     130,027        123,885   

Leasehold improvements

     174,432        160,743   

Construction in process

     2,051        1,962   
  

 

 

   

 

 

 
     875,298        833,953   

Less: Accumulated depreciation and amortization

     (622,313     (578,655
  

 

 

   

 

 

 
   $ 252,985      $ 255,298   
  

 

 

   

 

 

 
Property And Equipment Subject To Capital Lease
     (in 000s)  

As of April 30,

   2012     2011  

Property and equipment under capital lease

   $ 47,842      $ 47,842   

Less accumulated amortization

     (36,740     (35,056
  

 

 

   

 

 

 
   $ 11,102      $ 12,786