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Property, Plant and Equipment (Tables)
12 Months Ended
Feb. 29, 2012
Property, Plant and Equipment [Abstract]  
Property, plant and equipment
                 
    February 29, 2012     February 28, 2011  

Land

  $ 17,727     $ 10,552  

Buildings

    186,205       176,879  

Capitalized software

    240,424       221,564  

Equipment and fixtures

    456,423       440,557  
   

 

 

   

 

 

 
      900,779       849,552  

Less accumulated depreciation

    623,182       607,903  
   

 

 

   

 

 

 
    $ 277,597     $ 241,649