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Goodwill and Other Intangible Assets - Summary of Intangible Assets Subject to Amortization (Detail) - USD ($) $ in Thousands | Apr. 30, 2021 | Oct. 31, 2020
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Finite-Lived Intangible Assets [Line Items] |  |
Carrying Amount | $ 728,107 | $ 722,674
Accumulated Amortization | 344,251 | 315,088
Net Book Value | 383,856 | 407,586
Customer relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Carrying Amount | 486,696 | 483,568
Accumulated Amortization | 212,301 | 193,617
Net Book Value | 274,395 | 289,951
Patent/technology costs |  |
Finite-Lived Intangible Assets [Line Items] |  |
Carrying Amount | 155,346 | 153,555
Accumulated Amortization | 84,173 | 76,934
Net Book Value | 71,173 | 76,621
Trade name |  |
Finite-Lived Intangible Assets [Line Items] |  |
Carrying Amount | 74,666 | 74,240
Accumulated Amortization | 37,501 | 34,693
Net Book Value | 37,165 | 39,547
Non-compete agreements |  |
Finite-Lived Intangible Assets [Line Items] |  |
Carrying Amount | 10,005 | 9,908
Accumulated Amortization | 8,884 | 8,444
Net Book Value | 1,121 | 1,464
Other |  |
Finite-Lived Intangible Assets [Line Items] |  |
Carrying Amount | 1,394 | 1,403
Accumulated Amortization | 1,392 | 1,400
Net Book Value | $ 2 | $ 3

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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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