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Acquisitions - Additional Information (Detail) - USD ($) $ in Thousands		9 Months Ended
	Jun. 01, 2020	Jul. 31, 2020	Jul. 31, 2019	Oct. 31, 2019
Business Acquisition [Line Items]
Acquisition of businesses, net of cash acquired		$ 125,260	$ 12,110
Goodwill		$ 1,701,914		$ 1,614,739
Fluortek [Member] | 2020 Acquisition [Member]
Business Acquisition [Line Items]
Acquired percent of the outstanding shares	100.00%
Acquisition of businesses, net of cash acquired	$ 125,260
Cash acquired from business acquisition	515
Goodwill	76,047
Identifiable intangible assets	29,370
Property, plant and equipment and working capital – net	19,843
Fluortek [Member] | Customer Relationships [Member] | 2020 Acquisition [Member]
Business Acquisition [Line Items]
Identifiable intangible assets	$ 19,700
Intangible assets amortization period	12 years
Fluortek [Member] | Technology-Based Intangible Assets [Member] | 2020 Acquisition [Member]
Business Acquisition [Line Items]
Identifiable intangible assets	$ 7,400
Intangible assets amortization period	10 years
Fluortek [Member] | Trade Names [Member] | 2020 Acquisition [Member]
Business Acquisition [Line Items]
Identifiable intangible assets	$ 1,500
Intangible assets amortization period	10 years
Fluortek [Member] | Non-compete Agreements [Member] | 2020 Acquisition [Member]
Business Acquisition [Line Items]
Identifiable intangible assets	$ 770
Intangible assets amortization period	5 years

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- Definition

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