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Goodwill and Other Intangible Assets - Summary of Intangible Assets Subject to Amortization (Detail) - USD ($) $ in Thousands | Jul. 31, 2020 | Oct. 31, 2019
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Finite Lived Intangible Assets [Line Items] |  |
Carrying Amount | $ 779,918 | $ 744,337
Accumulated Amortization | 344,101 | 298,762
Net Book Value | 435,817 | 445,575
Customer Relationships [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Carrying Amount | 503,804 | 480,007
Accumulated Amortization | 203,589 | 173,996
Net Book Value | 300,215 | 306,011
Patent/Technology Costs [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Carrying Amount | 163,550 | 154,735
Accumulated Amortization | 81,590 | 71,663
Net Book Value | 81,960 | 83,072
Trade Names [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Carrying Amount | 98,691 | 96,655
Accumulated Amortization | 46,553 | 41,303
Net Book Value | 52,138 | 55,352
Non-compete Agreements [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Carrying Amount | 12,472 | 11,540
Accumulated Amortization | 10,972 | 10,406
Net Book Value | 1,500 | 1,134
Other [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Carrying Amount | 1,401 | 1,400
Accumulated Amortization | 1,397 | 1,394
Net Book Value | $ 4 | $ 6

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 928 -SubTopic 340 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004 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)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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