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Goodwill and other intangible assets - Summary of Intangible Assets Subject to Amortization (Detail) - USD ($) $ in Thousands | Jan. 31, 2023 | Oct. 31, 2022
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Finite-Lived Intangible Assets [Line Items] |  |
Carrying Amount | $ 801,285 | $ 731,065
Accumulated Amortization | 423,450 | 401,663
Net Book Value | 377,835 | 329,402
Customer relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Carrying Amount | 516,035 | 480,058
Accumulated Amortization | 264,296 | 250,798
Net Book Value | 251,739 | 229,260
Patent/technology costs |  |
Finite-Lived Intangible Assets [Line Items] |  |
Carrying Amount | 175,436 | 157,549
Accumulated Amortization | 102,181 | 96,426
Net Book Value | 73,255 | 61,123
Trade name |  |
Finite-Lived Intangible Assets [Line Items] |  |
Carrying Amount | 99,141 | 82,759
Accumulated Amortization | 47,151 | 44,707
Net Book Value | 51,990 | 38,052
Non-compete agreements |  |
Finite-Lived Intangible Assets [Line Items] |  |
Carrying Amount | 10,516 | 10,253
Accumulated Amortization | 9,665 | 9,290
Net Book Value | 851 | 963
Other |  |
Finite-Lived Intangible Assets [Line Items] |  |
Carrying Amount | 157 | 446
Accumulated Amortization | 157 | 442
Net Book Value | $ 0 | $ 4

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