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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

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- Definition

The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes.

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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- Definition

The amount of identifiable intangible assets recognized as of the acquisition date.

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- Definition

The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business).

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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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.

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- Definition

The cash outflow associated with other payments to acquire businesses including deposit on pending acquisitions and preacquisition costs.

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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Acquisitions - Additional Information (Detail) - USD ($) $ in Thousands						3 Months Ended	9 Months Ended
	Jan. 02, 2018	Mar. 31, 2017	Feb. 16, 2017	Feb. 01, 2017	Jan. 03, 2017	Apr. 30, 2018	Jul. 31, 2018	Jul. 31, 2017	Oct. 31, 2017
Business Acquisition [Line Items]
Acquisition of businesses, net of cash acquired							$ 45,364	$ 805,943
Goodwill							1,611,733		$ 1,589,210
Advanced Technology Systems [Member]
Business Acquisition [Line Items]
Goodwill							$ 1,194,935		$ 1,172,857
Sonoscan, Inc. [Member] \| 2018 Acquisition [Member]
Business Acquisition [Line Items]
Acquired percent of the outstanding shares	100.00%
Acquisition of businesses, net of cash acquired	$ 46,018
Cash acquired from business acquisition	641
Goodwill	22,836
Identifiable intangible assets	7,910
Sonoscan, Inc. [Member] \| Customer Relationships [Member] \| 2018 Acquisition [Member]
Business Acquisition [Line Items]
Identifiable intangible assets	$ 1,700
Intangible assets amortization period	7 years
Sonoscan, Inc. [Member] \| Trade Names [Member] \| 2018 Acquisition [Member]
Business Acquisition [Line Items]
Identifiable intangible assets	$ 3,300
Intangible assets amortization period	11 years
Sonoscan, Inc. [Member] \| Technology-Based Intangible Assets [Member] \| 2018 Acquisition [Member]
Business Acquisition [Line Items]
Identifiable intangible assets	$ 2,500
Intangible assets amortization period	7 years
Sonoscan, Inc. [Member] \| Non-compete Agreements [Member] \| 2018 Acquisition [Member]
Business Acquisition [Line Items]
Identifiable intangible assets	$ 410
Intangible assets amortization period	5 years
Vention [Member] \| 2017 Acquisition [Member] \| Advanced Technology Systems [Member]
Business Acquisition [Line Items]
Acquisition of businesses, net of cash acquired		$ 705,000
Cash acquired from business acquisition		3,313
Goodwill		434,123
Identifiable intangible assets		286,000
Acquisition of businesses, Cash and other closing adjustments		10,726
Business combination, goodwill, tax deductible amount		37,200
Business acquisition material purchase price allocation adjustments						$ 0
Vention [Member] \| Customer Relationships [Member] \| 2017 Acquisition [Member] \| Advanced Technology Systems [Member]
Business Acquisition [Line Items]
Identifiable intangible assets		$ 240,000
Intangible assets amortization period		14 years
Vention [Member] \| Trade Names [Member] \| 2017 Acquisition [Member] \| Advanced Technology Systems [Member]
Business Acquisition [Line Items]
Identifiable intangible assets		$ 2,000
Intangible assets amortization period		6 years
Vention [Member] \| Technology-Based Intangible Assets [Member] \| 2017 Acquisition [Member] \| Advanced Technology Systems [Member]
Business Acquisition [Line Items]
Identifiable intangible assets		$ 44,000
Vention [Member] \| Technology-Based Intangible Assets Amortized over 14 Years [Member] \| 2017 Acquisition [Member] \| Advanced Technology Systems [Member]
Business Acquisition [Line Items]
Identifiable intangible assets		$ 36,000
Intangible assets amortization period		14 years
Vention [Member] \| Technology-Based Intangible Assets Amortized over 10 Years [Member] \| 2017 Acquisition [Member] \| Advanced Technology Systems [Member]
Business Acquisition [Line Items]
Identifiable intangible assets		$ 8,000
Intangible assets amortization period		10 years
InterSelect GmbH [Member] \| 2017 Acquisition [Member] \| Advanced Technology Systems [Member]
Business Acquisition [Line Items]
Acquired percent of the outstanding shares			100.00%
Cash acquired from business acquisition			$ 492
Goodwill			3,548
Identifiable intangible assets			1,879
Acquisition of businesses, net of cash acquired			5,432
InterSelect GmbH [Member] \| Customer Relationships [Member] \| 2017 Acquisition [Member] \| Advanced Technology Systems [Member]
Business Acquisition [Line Items]
Identifiable intangible assets			$ 1,109
Intangible assets amortization period			9 years
InterSelect GmbH [Member] \| Trade Names [Member] \| 2017 Acquisition [Member] \| Advanced Technology Systems [Member]
Business Acquisition [Line Items]
Identifiable intangible assets			$ 348
Intangible assets amortization period			12 years
InterSelect GmbH [Member] \| Technology-Based Intangible Assets [Member] \| 2017 Acquisition [Member] \| Advanced Technology Systems [Member]
Business Acquisition [Line Items]
Identifiable intangible assets			$ 422
Intangible assets amortization period			9 years
Plas-Pak Industries, Inc. [Member] \| 2017 Acquisition [Member] \| Advanced Technology Systems [Member]
Business Acquisition [Line Items]
Acquired percent of the outstanding shares				100.00%
Acquisition of businesses, net of cash acquired				$ 70,798
Cash acquired from business acquisition				543
Goodwill				24,995
Identifiable intangible assets				33,800
Plas-Pak Industries, Inc. [Member] \| Customer Relationships [Member] \| 2017 Acquisition [Member] \| Advanced Technology Systems [Member]
Business Acquisition [Line Items]
Identifiable intangible assets				$ 23,700
Intangible assets amortization period				17 years
Plas-Pak Industries, Inc. [Member] \| Trade Names [Member] \| 2017 Acquisition [Member] \| Advanced Technology Systems [Member]
Business Acquisition [Line Items]
Identifiable intangible assets				$ 4,100
Intangible assets amortization period				12 years
Plas-Pak Industries, Inc. [Member] \| Technology-Based Intangible Assets [Member] \| 2017 Acquisition [Member] \| Advanced Technology Systems [Member]
Business Acquisition [Line Items]
Identifiable intangible assets				$ 5,000
Intangible assets amortization period				9 years
Plas-Pak Industries, Inc. [Member] \| Non-compete Agreements [Member] \| 2017 Acquisition [Member] \| Advanced Technology Systems [Member]
Business Acquisition [Line Items]
Identifiable intangible assets				$ 1,000
Intangible assets amortization period				5 years
ACE Production Technologies Inc [Member] \| 2017 Acquisition [Member] \| Advanced Technology Systems [Member]
Business Acquisition [Line Items]
Goodwill					$ 6,383
Identifiable intangible assets					5,010
Acquisition of businesses, net of cash acquired					13,761
ACE Production Technologies Inc [Member] \| Customer Relationships [Member] \| 2017 Acquisition [Member] \| Advanced Technology Systems [Member]
Business Acquisition [Line Items]
Identifiable intangible assets					$ 2,800
Intangible assets amortization period					7 years
ACE Production Technologies Inc [Member] \| Trade Names [Member] \| 2017 Acquisition [Member] \| Advanced Technology Systems [Member]
Business Acquisition [Line Items]
Identifiable intangible assets					$ 1,000
Intangible assets amortization period					11 years
ACE Production Technologies Inc [Member] \| Technology-Based Intangible Assets [Member] \| 2017 Acquisition [Member] \| Advanced Technology Systems [Member]
Business Acquisition [Line Items]
Identifiable intangible assets					$ 1,100
Intangible assets amortization period					7 years
ACE Production Technologies Inc [Member] \| Non-compete Agreements [Member] \| 2017 Acquisition [Member] \| Advanced Technology Systems [Member]
Business Acquisition [Line Items]
Identifiable intangible assets					$ 110
Intangible assets amortization period					3 years