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Related Party Transactions (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2010
Former Minority Shareholder of Netpoint [Member]
     
Affiliated sales $ 4.2 $ 5.1 $ 3.7
Affiliated accounts receivable 0.5 1.2  
Former Shareholder of CDC in Brazil [Member]
     
Affiliated sales 0.2 0.2  
Affiliated accounts receivable 0.1 0.1  
Former CEO and Current Member on the Board of Directors [Member]
     
Affiliated purchases 0.3 0.4  
Affiliated accounts payable   $ 0.1