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 $)
3 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Jun. 30, 2012
Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]
2013 (remaining 9 months) $ 13,566,000
2014 15,368,000
2015 12,752,000
2016 5,564,000
2017 806,000
2018 and thereafter 25,000
Components of purchased intangible assets
Gross Carrying Amount 282,080,000 283,125,000
Accumulated Amortization and Impairment 233,999,000 227,489,000
Total 48,081,000 55,636,000
Other intangible assets, amortization expense 7,200,000 8,000,000
Existing technology
Components of purchased intangible assets
Gross Carrying Amount 133,659,000 134,561,000
Accumulated Amortization and Impairment 113,494,000 110,370,000
Total 20,165,000 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
Accumulated Amortization and Impairment 48,559,000 46,966,000
Total 9,089,000 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
Accumulated Amortization and Impairment 14,803,000 14,428,000
Total 5,090,000 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 54,823,000
Accumulated Amortization and Impairment 40,943,000 39,525,000
Total 13,737,000 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
Accumulated Amortization and Impairment 16,200,000 16,200,000
Total $ 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
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