Revenue - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	May 01, 2021	May 02, 2020	May 01, 2021	May 02, 2020	Oct. 31, 2020
Disaggregation of Revenue [Line Items]
Total revenue	$ 833,927	$ 894,053	$ 1,591,057	$ 1,726,965
Revenue recognized that was previously deferred			78,000	76,500
Capitalized contract acquisition costs	18,400		18,400		$ 15,300
Amortization of capitalized contract acquisition costs			10,700	10,100
UNITED STATES
Disaggregation of Revenue [Line Items]
Total revenue	$ 518,600	$ 598,400	$ 1,000,000	$ 1,100,000