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Acquired Intangible Assets (Calculation Of Acquired Intangibles By Asset Class) (Details) (USD $)
 12 Months Ended 12 Months Ended 12 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Purchase Of Patents [Member]
Nov. 15, 2011
Purchase Of Patents [Member]
Jun. 30, 2012
Technology Assets [Member]
Jun. 30, 2011
Technology Assets [Member]
Jun. 30, 2012
Customer Assets [Member]
Jun. 30, 2011
Customer Assets [Member]
Finite-Lived Intangible Assets, Net [Abstract]                
Cost $ 847,404,000 $ 742,014,000     $ 473,008,000 [1] $ 428,595,000 $ 374,396,000 $ 313,419,000
Accumulated Amortization (534,841,000) (397,019,000)     (309,517,000) [1] (224,965,000) (225,324,000) (172,054,000)
Net 312,563,000 344,995,000     163,491,000 [1] 203,630,000 149,072,000 141,365,000
Weighted-average amortization period (in years) for acquired intangible assets     11 years   5 years   7 years  
Total purchase price to acquire patents       600,000        
Initial payment under purchase agreement to acquire patents       200,000        
Payment under purchase agreement to acquire patents, after 18 months of purchase     200,000          
Period following purchase date and final payment       18 months        
Payment under purchase agreement to acquire patents, two years from date of purchase     $ 200,000          
Period of final payment       2 years        
[1] Included in Technology Assets are certain patents we acquired on November 15, 2011. The total purchase price of these patents was $0.6 million. Payment terms under the agreement required us to pay $0.2 million upon signing the purchase agreement, $0.2 million 18 months following the purchase date and a final payment of $0.2 million two years following the purchase date. The purchase of these patents is considered to be the acquisition of “defensive intangible assets” and has been accounted for under ASC Topic 350-30-25 “General Intangibles Other than Goodwill”, as well as in accordance with ASC Topic 805-50-5 “Acquisition of Assets Rather than a Business”. The patents have an amortization period of approximately 11 years.