Goodwill and other intangible assets - Summary of Intangible Assets Subject to Amortization (Detail) - USD ($) $ in Thousands	Jan. 31, 2023	Oct. 31, 2022
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