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Goodwill and Other Intangible Assets - Summary of Intangible Assets Subject to Amortization (Detail) - USD ($)
$ in Thousands
Jan. 31, 2019
Oct. 31, 2018
Finite Lived Intangible Assets [Line Items]    
Carrying Amount $ 744,631 $ 743,294
Accumulated Amortization 258,289 243,553
Net Book Value 486,342 499,741
Customer Relationships [Member]    
Finite Lived Intangible Assets [Line Items]    
Carrying Amount 480,719 480,404
Accumulated Amortization 147,176 137,640
Net Book Value 333,543 342,764
Patent/Technology Costs [Member]    
Finite Lived Intangible Assets [Line Items]    
Carrying Amount 154,473 153,602
Accumulated Amortization 63,156 59,845
Net Book Value 91,317 93,757
Trade Names [Member]    
Finite Lived Intangible Assets [Line Items]    
Carrying Amount 96,468 96,433
Accumulated Amortization 36,478 34,768
Net Book Value 59,990 61,665
Non-compete Agreements [Member]    
Finite Lived Intangible Assets [Line Items]    
Carrying Amount 11,572 11,469
Accumulated Amortization 10,084 9,919
Net Book Value 1,488 1,550
Other [Member]    
Finite Lived Intangible Assets [Line Items]    
Carrying Amount 1,399 1,386
Accumulated Amortization 1,395 1,381
Net Book Value $ 4 $ 5