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Goodwill and Intangible Assets - Amortization Expense Related to Intangible Assets (Detail) - USD ($) $ in Thousands		12 Months Ended
		Oct. 31, 2015	Oct. 31, 2014	Oct. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Amortization expense of intangible assets		$ 139,681	$ 129,700	$ 130,724
Core-developed technology
Finite-Lived Intangible Assets [Line Items]
Amortization expense of intangible assets		76,674	70,675	68,781
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Amortization expense of intangible assets		23,104	22,470	21,394
Contract rights intangible
Finite-Lived Intangible Assets [Line Items]
Amortization expense of intangible assets		33,350	30,615	35,538
Covenants not to compete
Finite-Lived Intangible Assets [Line Items]
Amortization expense of intangible assets		0	50	126
Trademarks and trade names
Finite-Lived Intangible Assets [Line Items]
Amortization expense of intangible assets		2,900	2,309	1,663
Capitalized software development costs
Finite-Lived Intangible Assets [Line Items]
Amortization expense of intangible assets	[1]	$ 3,653	$ 3,581	$ 3,222
[1] Amortization of capitalized software development costs is included in cost of license revenue in the 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 350
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274

Reference 2: 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 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

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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