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Acquired Intangible Assets (Calculation Of Estimated Future Amortization Expense) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Jun. 30, 2012
Acquired Intangible Assets [Abstract]    
2013 $ 80,088  
2014 102,881  
2015 79,183  
2016 54,233  
2017 and beyond 111,976  
Net $ 428,361 $ 312,563