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Goodwill and other intangible assets - Summary of Intangible Assets Subject to Amortization (Detail) - USD ($) $ in Thousands | Jul. 31, 2022 | Oct. 31, 2021
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Finite-Lived Intangible Assets [Line Items] |  |
Carrying Amount | $ 736,559 | $ 723,664
Accumulated Amortization | 392,780 | 366,297
Net Book Value | 343,779 | 357,367
Customer relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Carrying Amount | 483,127 | 483,815
Accumulated Amortization | 244,893 | 226,658
Net Book Value | 238,234 | 257,157
Patent/technology costs |  |
Finite-Lived Intangible Assets [Line Items] |  |
Carrying Amount | 159,284 | 154,267
Accumulated Amortization | 94,711 | 89,299
Net Book Value | 64,573 | 64,968
Trade name |  |
Finite-Lived Intangible Assets [Line Items] |  |
Carrying Amount | 83,368 | 74,301
Accumulated Amortization | 43,514 | 39,858
Net Book Value | 39,854 | 34,443
Non-compete agreements |  |
Finite-Lived Intangible Assets [Line Items] |  |
Carrying Amount | 10,358 | 9,896
Accumulated Amortization | 9,245 | 9,099
Net Book Value | 1,113 | 797
Other |  |
Finite-Lived Intangible Assets [Line Items] |  |
Carrying Amount | 422 | 1,385
Accumulated Amortization | 417 | 1,383
Net Book Value | $ 5 | $ 2

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