Quarterly report pursuant to Section 13 or 15(d)

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

v2.4.0.6
Goodwill and Purchased Intangible Assets (Purchased Intangible Assets) (Details) (USD $)
 3 Months Ended 9 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Mar. 31, 2013
Mar. 31, 2012
Jun. 30, 2012
Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]          
2013 (remaining 3 months) $ 4,493,000   $ 4,493,000    
2014 15,368,000   15,368,000    
2015 12,752,000   12,752,000    
2016 5,564,000   5,564,000    
2017 806,000   806,000    
2018 and thereafter 25,000   25,000    
Components of purchased intangible assets          
Gross Carrying Amount 282,080,000   282,080,000   283,125,000
Accumulated Amortization and Impairment 243,072,000   243,072,000   227,489,000
Total 39,008,000   39,008,000   55,636,000
Other intangible assets, amortization expense 4,500,000 7,300,000 16,300,000 23,000,000  
Existing technology
          
Components of purchased intangible assets          
Gross Carrying Amount 133,659,000   133,659,000   134,561,000
Accumulated Amortization and Impairment 117,236,000   117,236,000   110,370,000
Total 16,423,000   16,423,000   24,191,000
Existing technology | Minimum
          
Components of purchased intangible assets          
Range of Useful Lives 4 years        
Existing technology | Maximum
          
Components of purchased intangible assets          
Range of Useful Lives 7 years        
Patents
          
Components of purchased intangible assets          
Gross Carrying Amount 57,648,000   57,648,000   57,648,000
Accumulated Amortization and Impairment 50,232,000   50,232,000   46,966,000
Total 7,416,000   7,416,000   10,682,000
Patents | Minimum
          
Components of purchased intangible assets          
Range of Useful Lives 6 years        
Patents | Maximum
          
Components of purchased intangible assets          
Range of Useful Lives 13 years        
Trade name/Trademark
          
Components of purchased intangible assets          
Gross Carrying Amount 19,893,000   19,893,000   19,893,000
Accumulated Amortization and Impairment 15,553,000   15,553,000   14,428,000
Total 4,340,000   4,340,000   5,465,000
Trade name/Trademark | Minimum
          
Components of purchased intangible assets          
Range of Useful Lives 4 years        
Trade name/Trademark | Maximum
          
Components of purchased intangible assets          
Range of Useful Lives 10 years        
Customer relationships
          
Components of purchased intangible assets          
Gross Carrying Amount 54,680,000   54,680,000   54,823,000
Accumulated Amortization and Impairment 43,851,000   43,851,000   39,525,000
Total 10,829,000   10,829,000   15,298,000
Customer relationships | Minimum
          
Components of purchased intangible assets          
Range of Useful Lives 6 years        
Customer relationships | Maximum
          
Components of purchased intangible assets          
Range of Useful Lives 7 years        
Other
          
Components of purchased intangible assets          
Gross Carrying Amount 16,200,000   16,200,000   16,200,000
Accumulated Amortization and Impairment 16,200,000   16,200,000   16,200,000
Total $ 0   $ 0   $ 0
Other | Minimum
          
Components of purchased intangible assets          
Range of Useful Lives 0 years        
Other | Maximum
          
Components of purchased intangible assets          
Range of Useful Lives 1 year