Goodwill and Other Intangible Assets - Summary of Intangible Assets Subject to Amortization (Detail) - USD ($) $ in Thousands	Jul. 31, 2018	Oct. 31, 2017
Finite Lived Intangible Assets [Line Items]
Carrying Amount	$ 746,423	$ 736,924
Accumulated Amortization	231,580	189,744
Net Book Value	514,843	547,180
Customer Relationships [Member]
Finite Lived Intangible Assets [Line Items]
Carrying Amount	482,351	480,536
Accumulated Amortization	129,563	102,033
Net Book Value	352,788	378,503
Patent/Technology Costs [Member]
Finite Lived Intangible Assets [Line Items]
Carrying Amount	154,533	150,581
Accumulated Amortization	57,498	48,669
Net Book Value	97,035	101,912
Trade Names [Member]
Finite Lived Intangible Assets [Line Items]
Carrying Amount	96,588	93,281
Accumulated Amortization	33,259	28,366
Net Book Value	63,329	64,915
Non-compete Agreements [Member]
Finite Lived Intangible Assets [Line Items]
Carrying Amount	11,563	11,142
Accumulated Amortization	9,873	9,298
Net Book Value	1,690	1,844
Other [Member]
Finite Lived Intangible Assets [Line Items]
Carrying Amount	1,388	1,384
Accumulated Amortization	1,387	1,378
Net Book Value	$ 1	$ 6