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Acquired Intangible Assets (Calculation Of Estimated Future Amortization Expense) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Jun. 30, 2012
Acquired Intangible Assets [Abstract]    
2013 $ 40,607  
2014 105,131  
2015 81,433  
2016 56,483  
2017 and beyond 113,500  
Net $ 397,154 $ 312,563