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Basis Of Presentation (Tables)
3 Months Ended
Sep. 30, 2011
Basis Of Presentation [Abstract] 
Components Of Comprehensive Income
     Three months ended
September 30,
 
     2011     2010  

Net income for the period

   $ 34,986      $ 21,671   

Other comprehensive income—net of tax, where applicable:

    

Foreign currency translation adjustments

     (10,618     5,977   

Unrealized gain on marketable securities

     —          44   

Unrealized gain (loss) on cash flow hedges

     (5,202     1,570   

Actuarial gain (loss) relating to defined benefit pension plans

     (548     —     
  

 

 

   

 

 

 

Comprehensive income for the period

   $ 18,618      $ 29,262