STOCK-BASED COMPENSATION - Expense And Exercises (Details) - USD ($) $ in Thousands	3 Months Ended
Jan. 26, 2020	Jan. 27, 2019
Share-based Payment Arrangement [Abstract]
Stock-based compensation expense recognized	$ 9,300	$ 7,900
Stock-based compensation expense unrecognized	$ 32,500
Period for recognition of unrecognized stock-based compensation expense	2 years 7 months 6 days
Cash received from stock option exercises	$ 36,353	$ 15,997

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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

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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.

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Amount of cash inflow from exercise of option under share-based payment arrangement.

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