v2.4.0.6
Goodwill And Intangible Assets (Summary Of Intangible Assets) (Details) (USD $)
In Thousands, unless otherwise specified
Oct. 31, 2011
Oct. 31, 2010
Finite-Lived Intangible Assets [Line Items]    
Gross Assets $ 364,066 [1] $ 441,810
Accumulated Amortization 168,035 [1] 192,154
Net Assets 196,031 249,656
Core/Developed Technology [Member]
    
Finite-Lived Intangible Assets [Line Items]    
Gross Assets 226,928 [1] 263,592
Accumulated Amortization 104,391 [1] 118,587
Net Assets 122,537 145,005
Customer Relationships [Member]
    
Finite-Lived Intangible Assets [Line Items]    
Gross Assets 80,238 [1] 113,020
Accumulated Amortization 31,250 [1] 55,040
Net Assets 48,988 57,980
Contract Rights Intangible [Member]
    
Finite-Lived Intangible Assets [Line Items]    
Gross Assets 33,300 [1] 30,400
Accumulated Amortization 19,801 [1] 9,522
Net Assets 13,499 20,878
Covenants Not To Compete [Member]
    
Finite-Lived Intangible Assets [Line Items]    
Gross Assets 2,530 [1] 2,200
Accumulated Amortization 2,105 [1] 1,884
Net Assets 425 316
Trademarks And Trade Names [Member]
    
Finite-Lived Intangible Assets [Line Items]    
Gross Assets 6,400 [1] 6,200
Accumulated Amortization 2,561 [1] 1,541
Net Assets 3,839 4,659
In-Process Research And Development (IPR&D) [Member]
    
Finite-Lived Intangible Assets [Line Items]    
Gross Assets 3,425 [1],[2] 17,525
Net Assets 3,425 [2] 17,525
Capitalized Software Development Costs [Member]
    
Finite-Lived Intangible Assets [Line Items]    
Gross Assets 11,245 [1] 8,873
Accumulated Amortization 7,927 [1] 5,580
Net Assets $ 3,318 $ 3,293
[1] Intangible assets as of October 31, 2011 decreased as compared to October 31, 2010 primarily due to the retirement of fully amortized assets.
[2] IPR&D is reclassified to core/developed technology upon completion.