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Goodwill and Intangible Assets - Summary of Intangible Assets Subject to Amortization (Detail) - USD ($) $ in Thousands	Oct. 31, 2020	Oct. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Carrying Amount	$ 722,674	$ 744,337
Accumulated Amortization	315,088	298,762
Net Book Value	407,586	445,575
Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Carrying Amount	483,568	480,007
Accumulated Amortization	193,617	173,996
Net Book Value	289,951	306,011
Patent/Technology Costs
Finite-Lived Intangible Assets [Line Items]
Carrying Amount	153,555	154,735
Accumulated Amortization	76,934	71,663
Net Book Value	76,621	83,072
Trade Names
Finite-Lived Intangible Assets [Line Items]
Carrying Amount	74,240	96,655
Accumulated Amortization	34,693	41,303
Net Book Value	39,547	55,352
Non-compete Agreements
Finite-Lived Intangible Assets [Line Items]
Carrying Amount	9,908	11,540
Accumulated Amortization	8,444	10,406
Net Book Value	1,464	1,134
Other
Finite-Lived Intangible Assets [Line Items]
Carrying Amount	1,403	1,400
Accumulated Amortization	1,400	1,394
Net Book Value	$ 3	$ 6

X

- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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-Publisher FASB
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