Goodwill and Other Intangible Assets - Summary of Intangible Assets Subject to Amortization (Detail) - USD ($) $ in Thousands	Jul. 31, 2020	Oct. 31, 2019
Finite Lived Intangible Assets [Line Items]
Carrying Amount	$ 779,918	$ 744,337
Accumulated Amortization	344,101	298,762
Net Book Value	435,817	445,575
Customer Relationships [Member]
Finite Lived Intangible Assets [Line Items]
Carrying Amount	503,804	480,007
Accumulated Amortization	203,589	173,996
Net Book Value	300,215	306,011
Patent/Technology Costs [Member]
Finite Lived Intangible Assets [Line Items]
Carrying Amount	163,550	154,735
Accumulated Amortization	81,590	71,663
Net Book Value	81,960	83,072
Trade Names [Member]
Finite Lived Intangible Assets [Line Items]
Carrying Amount	98,691	96,655
Accumulated Amortization	46,553	41,303
Net Book Value	52,138	55,352
Non-compete Agreements [Member]
Finite Lived Intangible Assets [Line Items]
Carrying Amount	12,472	11,540
Accumulated Amortization	10,972	10,406
Net Book Value	1,500	1,134
Other [Member]
Finite Lived Intangible Assets [Line Items]
Carrying Amount	1,401	1,400
Accumulated Amortization	1,397	1,394
Net Book Value	$ 4	$ 6