Goodwill and Other Intangible Assets - Summary of Intangible Assets Subject to Amortization (Detail) - USD ($) $ in Thousands	Jul. 31, 2021	Oct. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Carrying  Amount	$ 726,954	$ 722,674
Accumulated Amortization	356,248	315,088
Net Book  Value	370,706	407,586
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Carrying  Amount	485,876	483,568
Accumulated Amortization	220,029	193,617
Net Book  Value	265,847	289,951
Patent/technology costs
Finite-Lived Intangible Assets [Line Items]
Carrying  Amount	155,146	153,555
Accumulated Amortization	87,070	76,934
Net Book  Value	68,076	76,621
Trade name
Finite-Lived Intangible Assets [Line Items]
Carrying  Amount	74,568	74,240
Accumulated Amortization	38,732	34,693
Net Book  Value	35,836	39,547
Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Carrying  Amount	9,971	9,908
Accumulated Amortization	9,026	8,444
Net Book  Value	945	1,464
Other
Finite-Lived Intangible Assets [Line Items]
Carrying  Amount	1,393	1,403
Accumulated Amortization	1,391	1,400
Net Book  Value	$ 2	$ 3