Summary of Significant Accounting Policies - Cash, Cash Equivalents and Short-Term Investments (Details) $ in Thousands	Nov. 03, 2018 USD ($) Investment_Security	Oct. 28, 2017 USD ($) Investment_Security	Oct. 29, 2016 USD ($)	Oct. 31, 2015 USD ($)
Cash and Cash Equivalents and Short-Term Investments [Line Items]
Total number of investment securities | Investment_Security	15	18
Available-for-sale, securities in unrealized loss positions, qualitative disclosure, number of positions | Investment_Security	15	8
Available-for-sale securities, continuous unrealized loss position, less than twelve months, fair value	$ 205,000	$ 143,900
Cash and cash equivalents:
Cash	147,629	226,160
Total cash and cash equivalents	816,591	1,047,838	$ 921,132	$ 884,353
Available-for-sale [Member]
Cash and cash equivalents:
Cash equivalents	598,962	751,678
Held-to-maturity [Member]
Cash and cash equivalents:
Cash equivalents	$ 70,000	$ 70,000