Segments and Entity-Wide Disclosures - Revenue by Major Customers (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	May 02, 2020	May 04, 2019	May 02, 2020	May 04, 2019
Revenue, Major Customer [Line Items]
Total revenue	$ 894,053	$ 865,011	$ 1,726,965	$ 1,643,538
Customer concentration risk
Revenue, Major Customer [Line Items]
Total revenue	105,630	214,766	393,270	572,565
AT&T | Customer concentration risk
Revenue, Major Customer [Line Items]
Total revenue	$ 105,630	108,416	189,640	195,125
Verizon | Customer concentration risk
Revenue, Major Customer [Line Items]
Total revenue		$ 106,350	$ 203,630	202,587
Web-scale provider | Customer concentration risk
Revenue, Major Customer [Line Items]
Total revenue				$ 174,853