Goodwill and Other Intangible Assets - Summary of Intangible Assets Subject to Amortization (Detail) - USD ($) $ in Thousands	Jan. 31, 2021	Oct. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Carrying  Amount	$ 728,963	$ 722,674
Accumulated Amortization	332,028	315,088
Net Book  Value	396,935	407,586
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Carrying  Amount	487,336	483,568
Accumulated Amortization	204,435	193,617
Net Book  Value	282,901	289,951
Patent/technology costs
Finite-Lived Intangible Assets [Line Items]
Carrying  Amount	155,455	153,555
Accumulated Amortization	81,205	76,934
Net Book  Value	74,250	76,621
Trade name
Finite-Lived Intangible Assets [Line Items]
Carrying  Amount	74,737	74,240
Accumulated Amortization	36,250	34,693
Net Book  Value	38,487	39,547
Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Carrying  Amount	10,031	9,908
Accumulated Amortization	8,734	8,444
Net Book  Value	1,297	1,464
Other
Finite-Lived Intangible Assets [Line Items]
Carrying  Amount	1,404	1,403
Accumulated Amortization	1,404	1,400
Net Book  Value	$ 0	$ 3