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Goodwill And Intangible Assets (Amortization Expenses Of Intangible Assets) (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|
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Oct. 31, 2011
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Oct. 31, 2010
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Oct. 31, 2009
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| Finite-Lived Intangible Assets [Line Items] | ||||||||
| Amortization expense of intangible assets | $ 72,384 | $ 50,649 | $ 48,422 | |||||
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Core/Developed Technology [Member]
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| Finite-Lived Intangible Assets [Line Items] | ||||||||
| Amortization expense of intangible assets | 44,869 | 33,232 | 29,644 | |||||
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Customer Relationships [Member]
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| Finite-Lived Intangible Assets [Line Items] | ||||||||
| Amortization expense of intangible assets | 13,030 | 9,325 | 11,109 | |||||
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Contract Rights Intangible [Member]
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| Finite-Lived Intangible Assets [Line Items] | ||||||||
| Amortization expense of intangible assets | 10,279 | 3,861 | 3,399 | |||||
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Covenants Not To Compete [Member]
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| Finite-Lived Intangible Assets [Line Items] | ||||||||
| Amortization expense of intangible assets | 222 | 637 | 741 | |||||
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Trademarks And Trade Names [Member]
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| Finite-Lived Intangible Assets [Line Items] | ||||||||
| Amortization expense of intangible assets | 1,020 | 630 | 581 | |||||
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Capitalized Software Development Costs [Member]
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| Finite-Lived Intangible Assets [Line Items] | ||||||||
| Amortization expense of intangible assets | $ 2,964 | [1] | $ 2,964 | [1] | $ 2,948 | [1] | ||
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