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REVENUE - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2021	Aug. 01, 2020	Jul. 31, 2021	Aug. 01, 2020	Oct. 31, 2020
Disaggregation of Revenue [Line Items]
Total revenue	$ 988,141	$ 976,712	$ 2,579,198	$ 2,703,677
Revenue recognized that was previously deferred			94,700	91,800
Capitalized contract acquisition costs	20,400		20,400		$ 15,300
Amortization of capitalized contract acquisition costs			16,800	16,200
United States
Disaggregation of Revenue [Line Items]
Total revenue	$ 623,900	$ 647,000	$ 1,600,000	$ 1,800,000

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Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer.

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