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Acquisitions - Additional Information (Detail) - USD ($) $ in Thousands |  |  | 12 Months Ended
--- | --- | --- | ---
Sep. 01, 2020 | Jun. 01, 2020 | Oct. 31, 2021 | Oct. 31, 2020 | Oct. 31, 2019
Business Acquisition [Line Items] |  |  |  |  |
Acquisition of businesses, net of cash acquired |  |  | $ 0 | $ 142,414 | $ 12,486
Goodwill |  |  | 1,713,148 | 1,713,354 | 1,614,739
Advanced Technology Solutions |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Goodwill |  |  | $ 1,298,128 | $ 1,297,492 | $ 1,203,278
Customer Relationships |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Intangible assets amortization period |  |  | 14 years |  |
Trade Names |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Intangible assets amortization period |  |  | 15 years |  |
Non-compete Agreements |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Intangible assets amortization period |  |  | 4 years |  |
vivaMOS Ltd. | 2020 Acquisition |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Acquired percent of the outstanding shares | 100.00% |  |  |  |
Acquisition of businesses, net of cash acquired | $ 17,154 |  |  |  |
Cash acquired from business acquisition | 158 |  |  |  |
Goodwill | 14,394 |  |  |  |
Identifiable intangible assets | 4,040 |  |  |  |
vivaMOS Ltd. | Technology-Based Intangible Assets | 2020 Acquisition |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Identifiable intangible assets | $ 3,900 |  |  |  |
Intangible assets amortization period | 10 years |  |  |  |
vivaMOS Ltd. | Non-compete Agreements | 2020 Acquisition |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Identifiable intangible assets | $ 140 |  |  |  |
Intangible assets amortization period | 3 years |  |  |  |
Fluortek Inc | 2020 Acquisition |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Acquired percent of the outstanding shares |  | 100.00% |  |  |
Acquisition of businesses, net of cash acquired |  | $ 125,260 |  |  |
Cash acquired from business acquisition |  | 515 |  |  |
Acquisition of business, earn-out liability |  | 19,843 |  |  |
Goodwill |  | 76,047 |  |  |
Identifiable intangible assets |  | 29,370 |  |  |
Fluortek Inc | Customer Relationships | 2020 Acquisition |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Identifiable intangible assets |  | $ 19,700 |  |  |
Intangible assets amortization period |  | 12 years |  |  |
Fluortek Inc | Trade Names | 2020 Acquisition |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Identifiable intangible assets |  | $ 1,500 |  |  |
Intangible assets amortization period |  | 10 years |  |  |
Fluortek Inc | Technology-Based Intangible Assets | 2020 Acquisition |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Identifiable intangible assets |  | $ 7,400 |  |  |
Intangible assets amortization period |  | 10 years |  |  |
Fluortek Inc | Non-compete Agreements | 2020 Acquisition |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Identifiable intangible assets |  | $ 770 |  |  |
Intangible assets amortization period |  | 5 years |  |  |

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