Business Acquisition, Equity Awards and Options Acquired, Amount

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- Definition

Fair Value Of Unvested Stock Options Assumed which will be expensed over their remaining service periods.

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- Definition

Payments to Acquire Businesses, Net of Cash, Cash Equivalents And Short-term Investments

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- Definition

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.

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- Definition

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

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- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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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

Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

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- Definition

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

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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.

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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 the acquisition of a business, net of the cash acquired from the purchase.

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Business Combinations - 2018 Acquisitions (Details) - USD ($) $ in Thousands		12 Months Ended
	Dec. 11, 2017	Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2017
Business Acquisition [Line Items]
Payments to acquire business net of cash and short-term investments			$ 637,000
Goodwill		$ 3,171,179	3,143,249	$ 2,706,974
Black Duck Software
Business Acquisition [Line Items]
Payments to acquire business net of cash and short-term investments			544,000
Percent of company acquired	100.00%
Total purchase consideration	$ 565,100		565,088
Goodwill			395,395
Identifiable intangibles assets acquired			178,000
Acquisition-related costs			15,500
Equity awards and options acquired, amount			15,600
Fair value of assumed equity awards allocated to purchase consideration			1,588
Fair value of stock reserved for future use			14,000
Series of Individually Immaterial Business Acquisitions
Business Acquisition [Line Items]
Goodwill			47,600
Identifiable intangibles assets acquired			51,900
Acquisition-related costs			3,800
Payments to acquire businesses, net of cash acquired			$ 93,000
Minimum \| Black Duck Software
Business Acquisition [Line Items]
Definite lived intangible asset amortization period		1 year
Minimum \| Series of Individually Immaterial Business Acquisitions
Business Acquisition [Line Items]
Definite lived intangible asset amortization period			1 year
Maximum \| Black Duck Software
Business Acquisition [Line Items]
Definite lived intangible asset amortization period			10 years
Maximum \| Series of Individually Immaterial Business Acquisitions
Business Acquisition [Line Items]
Definite lived intangible asset amortization period			7 years