Goodwill and Intangible Assets - Summary of Intangible Assets Subject to Amortization (Detail) - USD ($) $ in Thousands	Oct. 31, 2017	Oct. 31, 2016
Finite Lived Intangible Assets [Line Items]
Carrying Amount	$ 736,924	$ 401,659
Accumulated Amortization	189,744	141,357
Net Book Value	547,180	260,302
Customer Relationships [Member]
Finite Lived Intangible Assets [Line Items]
Carrying Amount	480,536	207,493
Accumulated Amortization	102,033	71,608
Net Book Value	378,503	135,885
Patent/Technology Costs [Member]
Finite Lived Intangible Assets [Line Items]
Carrying Amount	150,581	97,640
Accumulated Amortization	48,669	37,873
Net Book Value	101,912	59,767
Trade Names [Member]
Finite Lived Intangible Assets [Line Items]
Carrying Amount	93,281	85,271
Accumulated Amortization	28,366	22,140
Net Book Value	64,915	63,131
Noncompete Agreements [Member]
Finite Lived Intangible Assets [Line Items]
Carrying Amount	11,142	9,855
Accumulated Amortization	9,298	8,347
Net Book Value	1,844	1,508
Other [Member]
Finite Lived Intangible Assets [Line Items]
Carrying Amount	1,384	1,400
Accumulated Amortization	1,378	1,389
Net Book Value	$ 6	$ 11