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SHARE-BASED COMPENSATION EXPENSE - Narrative (Details) shares in Millions, $ in Millions		9 Months Ended
	Jan. 29, 2021 shares	Jul. 31, 2021 USD ($) purchase_period
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Offer period		12 months
Number of purchase periods | purchase_period		2
Purchase period		6 months
Purchase price of common stock		85.00%
Increase in number of shares authorized (in shares) | shares	8.7
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized share-based compensation | $		$ 160.6
Weighted-average period for recognition of share-based compensation (in years)		1 year 6 months 29 days

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- Definition

Share-Based Compensation Arrangement By Share-based Payment Award, Number Of Purchase Periods

+ References

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- Definition

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- Definition

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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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.

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- Definition

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- Definition

Purchase price of common stock expressed as a percentage of its fair value.

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