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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, 2019 | Jul. 31, 2018 | Jul. 31, 2019 | Jul. 31, 2018
Finite Lived Intangible Assets Amortization Expense [Line Items] |  |  |  |
Amortization expense of intangible assets | $ 24,414 | $ 31,699 | $ 79,345 | $ 93,248
Core/developed technology |  |  |  |
Finite Lived Intangible Assets Amortization Expense [Line Items] |  |  |  |
Amortization expense of intangible assets | 12,825 | 18,692 | 43,229 | 55,745
Customer relationships |  |  |  |
Finite Lived Intangible Assets Amortization Expense [Line Items] |  |  |  |
Amortization expense of intangible assets | 9,303 | 9,584 | 28,261 | 27,803
Contract rights intangible |  |  |  |
Finite Lived Intangible Assets Amortization Expense [Line Items] |  |  |  |
Amortization expense of intangible assets | 808 | 1,357 | 2,790 | 3,619
Trademarks and trade names |  |  |  |
Finite Lived Intangible Assets Amortization Expense [Line Items] |  |  |  |
Amortization expense of intangible assets | 778 | 1,172 | 2,858 | 3,371
Capitalized software development costs |  |  |  |
Finite Lived Intangible Assets Amortization Expense [Line Items] |  |  |  |
Amortization expense of intangible assets | $ 700 | $ 894 | $ 2,207 | $ 2,710

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -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 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -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 + Details
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