Goodwill and other intangible assets - Summary of Intangible Assets Subject to Amortization (Detail) - USD ($) $ in Thousands	Jul. 31, 2022	Oct. 31, 2021
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