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Goodwill and other intangible assets - Summary of Intangible Assets Subject to Amortization (Detail) - USD ($) $ in Thousands | Jan. 31, 2024 | Oct. 31, 2023
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Finite-Lived Intangible Assets [Line Items] |  |
Carrying Amount | $ 1,155,013 | $ 1,135,513
Accumulated Amortization | 488,526 | 462,769
Net Book Value | 666,487 | 672,744
Customer relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Carrying Amount | 811,031 | 794,706
Accumulated Amortization | 304,531 | 287,585
Net Book Value | 506,500 | 507,121
Patent/technology costs |  |
Finite-Lived Intangible Assets [Line Items] |  |
Carrying Amount | 206,855 | 204,905
Accumulated Amortization | 118,913 | 112,994
Net Book Value | 87,942 | 91,911
Trade name |  |
Finite-Lived Intangible Assets [Line Items] |  |
Carrying Amount | 126,724 | 125,692
Accumulated Amortization | 55,085 | 52,488
Net Book Value | 71,639 | 73,204
Non-compete agreements |  |
Finite-Lived Intangible Assets [Line Items] |  |
Carrying Amount | 10,102 | 10,028
Accumulated Amortization | 9,696 | 9,521
Net Book Value | 406 | 507
Other |  |
Finite-Lived Intangible Assets [Line Items] |  |
Carrying Amount | 301 | 182
Accumulated Amortization | 301 | 181
Net Book Value | $ 0 | $ 1

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