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Goodwill and Other Intangible Assets - Summary of Intangible Assets Subject to Amortization (Detail) - USD ($) $ in Thousands | Apr. 30, 2016 | Oct. 31, 2015
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Finite Lived Intangible Assets [Line Items] |  |
Carrying Amount | $ 394,772 | $ 392,684
Accumulated Amortization | 130,071 | 115,258
Net Book Value | 264,701 | 277,426
Customer Relationships [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Carrying Amount | 202,918 | 201,282
Accumulated Amortization | 64,872 | 56,315
Net Book Value | 138,046 | 144,967
Patent/Technology Costs [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Carrying Amount | 98,172 | 98,063
Accumulated Amortization | 35,992 | 32,764
Net Book Value | 62,180 | 65,299
Trade Names [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Carrying Amount | 83,225 | 83,022
Accumulated Amortization | 19,665 | 17,003
Net Book Value | 63,560 | 66,019
Non-compete Agreements [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Carrying Amount | 9,068 | 8,952
Accumulated Amortization | 8,158 | 7,819
Net Book Value | 910 | 1,133
Other [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Carrying Amount | 1,389 | 1,365
Accumulated Amortization | 1,384 | 1,357
Net Book Value | $ 5 | $ 8

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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/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&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/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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