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Goodwill and Other Intangible Assets - Summary of Intangible Assets Subject to Amortization (Detail) - USD ($)
$ in Thousands
Jul. 31, 2019
Oct. 31, 2018
Finite Lived Intangible Assets [Line Items]    
Carrying Amount $ 742,421 $ 743,294
Accumulated Amortization 283,394 243,553
Net Book Value 459,027 499,741
Customer Relationships [Member]    
Finite Lived Intangible Assets [Line Items]    
Carrying Amount 479,033 480,404
Accumulated Amortization 164,172 137,640
Net Book Value 314,861 342,764
Patent/Technology Costs [Member]    
Finite Lived Intangible Assets [Line Items]    
Carrying Amount 153,557 153,602
Accumulated Amortization 67,997 59,845
Net Book Value 85,560 93,757
Trade Names [Member]    
Finite Lived Intangible Assets [Line Items]    
Carrying Amount 96,910 96,433
Accumulated Amortization 39,575 34,768
Net Book Value 57,335 61,665
Non-compete Agreements [Member]    
Finite Lived Intangible Assets [Line Items]    
Carrying Amount 11,522 11,469
Accumulated Amortization 10,254 9,919
Net Book Value 1,268 1,550
Other [Member]    
Finite Lived Intangible Assets [Line Items]    
Carrying Amount 1,399 1,386
Accumulated Amortization 1,396 1,381
Net Book Value $ 3 $ 5