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Goodwill (Summary Of Changes In Carrying Amount Of Goodwill) (Details) (USD $)
In Thousands, unless otherwise specified
9 Months Ended
Mar. 31, 2012
Goodwill [Line Items]  
Beginning balance $ 832,481
Adjustments on account of foreign exchange (492)
Ending balance 1,040,394
System Solutions Australia Pty Limited (MessageManager) [Member]
 
Goodwill [Line Items]  
Acquisition of goodwill 2,076
Operitel Corporation [Member]
 
Goodwill [Line Items]  
Acquisition of goodwill 4,395
Acquisition Of Global 360 [Member]
 
Goodwill [Line Items]  
Acquisition of goodwill $ 201,934