Goodwill and Intangible Assets - Summary of Intangible Assets Subject to Amortization (Detail) - USD ($) $ in Thousands	Oct. 31, 2018	Oct. 31, 2017
Finite Lived Intangible Assets [Line Items]
Carrying Amount	$ 743,294	$ 736,924
Accumulated Amortization	243,553	189,744
Net Book Value	499,741	547,180
Customer Relationships [Member]
Finite Lived Intangible Assets [Line Items]
Carrying Amount	480,404	480,536
Accumulated Amortization	137,640	102,033
Net Book Value	342,764	378,503
Patent/Technology Costs [Member]
Finite Lived Intangible Assets [Line Items]
Carrying Amount	153,602	150,581
Accumulated Amortization	59,845	48,669
Net Book Value	93,757	101,912
Trade Names [Member]
Finite Lived Intangible Assets [Line Items]
Carrying Amount	96,433	93,281
Accumulated Amortization	34,768	28,366
Net Book Value	61,665	64,915
Noncompete Agreements [Member]
Finite Lived Intangible Assets [Line Items]
Carrying Amount	11,469	11,142
Accumulated Amortization	9,919	9,298
Net Book Value	1,550	1,844
Other [Member]
Finite Lived Intangible Assets [Line Items]
Carrying Amount	1,386	1,384
Accumulated Amortization	1,381	1,378
Net Book Value	$ 5	$ 6