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Goodwill and Intangible Assets - Amortization Expense Related to Intangible Assets (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Jul. 31, 2018 | Jul. 31, 2017 | Jul. 31, 2018 | Jul. 31, 2017
Finite Lived Intangible Assets Amortization Expense [Line Items] |  |  |  |
Amortization expense of intangible assets | $ 31,699 | $ 27,522 | $ 93,248 | $ 86,494
Core/developed technology |  |  |  |
Finite Lived Intangible Assets Amortization Expense [Line Items] |  |  |  |
Amortization expense of intangible assets | 18,692 | 15,575 | 55,745 | 50,330
Customer relationships |  |  |  |
Finite Lived Intangible Assets Amortization Expense [Line Items] |  |  |  |
Amortization expense of intangible assets | 9,584 | 6,834 | 27,803 | 20,569
Contract rights intangible |  |  |  |
Finite Lived Intangible Assets Amortization Expense [Line Items] |  |  |  |
Amortization expense of intangible assets | 1,357 | 3,215 | 3,619 | 9,893
Trademarks and trade names |  |  |  |
Finite Lived Intangible Assets Amortization Expense [Line Items] |  |  |  |
Amortization expense of intangible assets | 1,172 | 896 | 3,371 | 2,734
Capitalized software development costs |  |  |  |
Finite Lived Intangible Assets Amortization Expense [Line Items] |  |  |  |
Amortization expense of intangible assets | $ 894 | $ 1,002 | $ 2,710 | $ 2,968

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- Definition Finite Lived Intangible Assets Amortization Expense [Line Items] + References No definition available. + Details
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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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