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Goodwill and Intangible Assets - Amortization Expense Related to Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
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Jul. 31, 2014 | Jul. 31, 2013 | Jul. 31, 2014 | Jul. 31, 2013
Finite Lived Intangible Assets Amortization Expense [Line Items] |  |  |  |  |  |  |  |
Amortization expense of intangible assets | $ 33,715 |  | $ 33,092 |  | $ 95,645 |  | $ 99,354 |
Core/developed technology |  |  |  |  |  |  |  |
Finite Lived Intangible Assets Amortization Expense [Line Items] |  |  |  |  |  |  |  |
Amortization expense of intangible assets | 18,354 |  | 17,456 |  | 51,966 |  | 51,812 |
Customer relationships |  |  |  |  |  |  |  |
Finite Lived Intangible Assets Amortization Expense [Line Items] |  |  |  |  |  |  |  |
Amortization expense of intangible assets | 5,816 |  | 5,352 |  | 16,655 |  | 16,088 |
Contract rights intangible |  |  |  |  |  |  |  |
Finite Lived Intangible Assets Amortization Expense [Line Items] |  |  |  |  |  |  |  |
Amortization expense of intangible assets | 7,913 |  | 9,076 |  | 22,719 |  | 27,624 |
Covenants not to compete |  |  |  |  |  |  |  |
Finite Lived Intangible Assets Amortization Expense [Line Items] |  |  |  |  |  |  |  |
Amortization expense of intangible assets | 17 |  | 33 |  | 50 |  | 99 |
Trademarks and trade names |  |  |  |  |  |  |  |
Finite Lived Intangible Assets Amortization Expense [Line Items] |  |  |  |  |  |  |  |
Amortization expense of intangible assets | 709 |  | 363 |  | 1,600 |  | 1,333 |
Capitalized software development costs |  |  |  |  |  |  |  |
Finite Lived Intangible Assets Amortization Expense [Line Items] |  |  |  |  |  |  |  |
Amortization expense of intangible assets | $ 906 | [1] | $ 812 | [1] | $ 2,655 | [1] | $ 2,398 | [1]
[1] | Amortization of capitalized software development costs is included in cost of license revenue in the unaudited condensed consolidated statements of operations.

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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