Annual report pursuant to Section 13 and 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 $)
 12 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2010
Purchased Intangible Assets      
Other intangible assets, amortization expense $ 30,300,000 $ 32,900,000 $ 33,800,000
Gross carrying amount 283,125,000 283,125,000  
Accumulated amortization and impairment 227,489,000 197,223,000  
Net amount 55,636,000 85,902,000  
Remaining Estimated Annual Amortization Expense [Abstract]      
2013 20,914,000    
2014 15,537,000    
2015 12,771,000    
2016 5,582,000    
2017 806,000    
Thereafter 26,000    
Net amount 55,636,000 85,902,000  
Existing Technology
      
Purchased Intangible Assets      
Gross carrying amount 134,561,000 134,561,000  
Accumulated amortization and impairment 110,370,000 94,172,000  
Net amount 24,191,000 40,389,000  
Remaining Estimated Annual Amortization Expense [Abstract]      
Net amount 24,191,000 40,389,000  
Patents
      
Purchased Intangible Assets      
Gross carrying amount 57,648,000 57,648,000  
Accumulated amortization and impairment 46,966,000 40,591,000  
Net amount 10,682,000 17,057,000  
Remaining Estimated Annual Amortization Expense [Abstract]      
Net amount 10,682,000 17,057,000  
Trade Name/Trademark
      
Purchased Intangible Assets      
Gross carrying amount 19,893,000 19,893,000  
Accumulated amortization and impairment 14,428,000 12,907,000  
Net amount 5,465,000 6,986,000  
Remaining Estimated Annual Amortization Expense [Abstract]      
Net amount 5,465,000 6,986,000  
Customer Relationships
      
Purchased Intangible Assets      
Gross carrying amount 54,823,000 54,823,000  
Accumulated amortization and impairment 39,525,000 33,565,000  
Net amount 15,298,000 21,258,000  
Remaining Estimated Annual Amortization Expense [Abstract]      
Net amount 15,298,000 21,258,000  
Other
      
Purchased Intangible Assets      
Gross carrying amount 16,200,000 16,200,000  
Accumulated amortization and impairment 16,200,000 15,988,000  
Net amount 0 212,000  
Remaining Estimated Annual Amortization Expense [Abstract]      
Net amount $ 0 $ 212,000  
Minimum | Existing Technology
      
Purchased Intangible Assets      
Intangible assets, useful life 4 years    
Minimum | Patents
      
Purchased Intangible Assets      
Intangible assets, useful life 6 years    
Minimum | Trade Name/Trademark
      
Purchased Intangible Assets      
Intangible assets, useful life 4 years    
Minimum | Customer Relationships
      
Purchased Intangible Assets      
Intangible assets, useful life 6 years    
Minimum | Other
      
Purchased Intangible Assets      
Intangible assets, useful life 0 years    
Maximum | Existing Technology
      
Purchased Intangible Assets      
Intangible assets, useful life 7 years    
Maximum | Patents
      
Purchased Intangible Assets      
Intangible assets, useful life 13 years    
Maximum | Trade Name/Trademark
      
Purchased Intangible Assets      
Intangible assets, useful life 10 years    
Maximum | Customer Relationships
      
Purchased Intangible Assets      
Intangible assets, useful life 7 years    
Maximum | Other
      
Purchased Intangible Assets      
Intangible assets, useful life 1 year