Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Purchased Intangible Assets - Purchased Intangible Assets (Details)

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Goodwill and Purchased Intangible Assets - Purchased Intangible Assets (Details) - USD ($)
$ in Thousands
 3 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Jun. 30, 2016
Components of purchased intangible assets      
Gross Carrying Amount $ 216,532   $ 216,532
Accumulated Amortization and Impairment 213,467   212,201
Total 3,065   4,331
Other intangible assets, amortization expense 1,300 $ 3,700  
Existing technology      
Components of purchased intangible assets      
Gross Carrying Amount 141,659   141,659
Accumulated Amortization and Impairment 138,660   138,160
Total $ 2,999   3,499
Existing technology | Minimum      
Components of purchased intangible assets      
Range of Useful Lives (in years) 4 years    
Existing technology | Maximum      
Components of purchased intangible assets      
Range of Useful Lives (in years) 7 years    
Trade name/Trademark      
Components of purchased intangible assets      
Gross Carrying Amount $ 19,893   19,893
Accumulated Amortization and Impairment 19,893   19,743
Total $ 0   150
Trade name/Trademark | Minimum      
Components of purchased intangible assets      
Range of Useful Lives (in years) 4 years    
Trade name/Trademark | Maximum      
Components of purchased intangible assets      
Range of Useful Lives (in years) 10 years    
Customer relationships      
Components of purchased intangible assets      
Gross Carrying Amount $ 54,980   54,980
Accumulated Amortization and Impairment 54,914   54,298
Total $ 66   $ 682
Customer relationships | Minimum      
Components of purchased intangible assets      
Range of Useful Lives (in years) 6 years    
Customer relationships | Maximum      
Components of purchased intangible assets      
Range of Useful Lives (in years) 7 years