v2.4.0.6
Summary of Intangible Assets (Detail) (USD $)
In Thousands, unless otherwise specified
Oct. 31, 2012
Oct. 31, 2011
Finite-Lived Intangible Assets [Line Items]    
Gross Assets $ 735,326 [1] $ 364,066
Accumulated Amortization 269,004 168,035
Net Assets 466,322 196,031
Developed And Core Technology
    
Finite-Lived Intangible Assets [Line Items]    
Gross Assets 367,321 [1] 226,928
Accumulated Amortization 159,691 104,391
Net Assets 207,630 122,537
Customer Relationships
    
Finite-Lived Intangible Assets [Line Items]    
Gross Assets 179,657 [1] 80,238
Accumulated Amortization 48,368 31,250
Net Assets 131,289 48,988
Contract Rights Intangible
    
Finite-Lived Intangible Assets [Line Items]    
Gross Assets 142,641 [1] 33,300
Accumulated Amortization 43,843 19,801
Net Assets 98,798 13,499
Covenants Not To Compete
    
Finite-Lived Intangible Assets [Line Items]    
Gross Assets 2,530 [1] 2,530
Accumulated Amortization 2,354 2,105
Net Assets 176 425
Trademarks Trade Names
    
Finite-Lived Intangible Assets [Line Items]    
Gross Assets 10,900 [1] 6,400
Accumulated Amortization 3,793 2,561
Net Assets 7,107 3,839
In-Process Research And Development (IPR&D)
    
Finite-Lived Intangible Assets [Line Items]    
Gross Assets 17,696 [1],[2] 3,425 [3]
Net Assets 17,696 [2] 3,425 [3]
Capitalized Software Development Costs
    
Finite-Lived Intangible Assets [Line Items]    
Gross Assets 14,581 [1] 11,245
Accumulated Amortization 10,955 7,927
Net Assets $ 3,626 $ 3,318
[1] Included $370.7 million of intangible assets acquired during fiscal 2012.
[2] IPR&D is reclassified to core/developed technology upon completion or is written off upon abandonment.
[3] IPR&D is reclassified to core/developed technology upon completion.