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Goodwill and Intangible Assets - Summary of Changes in Carrying Amount of Goodwill (Detail) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2020	Oct. 31, 2019
Goodwill [Line Items]
Beginning balance	$ 1,614,739	$ 1,608,018
Acquisitions	90,441	9,225
Other	(453)
Currency effect	8,627	(2,504)
Ending balance	1,713,354	1,614,739
Industrial Precision Solutions
Goodwill [Line Items]
Beginning balance	411,461	413,049
Other	(453)
Currency effect	4,854	(1,588)
Ending balance	415,862	411,461
Advanced Technology Solutions
Goodwill [Line Items]
Beginning balance	1,203,278	1,194,969
Acquisitions	90,441	9,225
Other
Currency effect	3,773	(916)
Ending balance	$ 1,297,492	$ 1,203,278

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(10)(1))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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- Definition

Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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Amount of increase (decrease), classified as other, of an asset representing the future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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