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Goodwill and Intangible Assets - Amortization Expense Related to Intangible Assets (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Oct. 31, 2017 | Oct. 31, 2016 | Oct. 31, 2015
Finite-Lived Intangible Assets [Line Items] |  |  |
Amortization expense of intangible assets | $ 111,708 | $ 133,321 | $ 139,681
Core-developed technology |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Amortization expense of intangible assets | 65,916 | 85,331 | 76,674
Customer relationships |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Amortization expense of intangible assets | 27,340 | 24,594 | 23,104
Contract rights intangible |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Amortization expense of intangible assets | 10,886 | 16,543 | 33,350
Trademarks and trade names |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Amortization expense of intangible assets | 3,580 | 3,156 | 2,900
Capitalized software development costs |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Amortization expense of intangible assets | $ 3,986 | $ 3,697 | $ 3,653

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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=98514028&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=66006027&loc=d3e16323-109275 + Details
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