Short-Term and Long-Term Investments - Components of Investments (Details) - U.S. government obligations - USD ($) $ in Thousands	Aug. 01, 2020	Nov. 02, 2019
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 70,093	$ 119,732
Gross Unrealized Gains	311	225
Gross Unrealized Losses	0	(3)
Estimated Fair Value	70,404	119,954
Included in short-term investments
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	70,093	109,715
Gross Unrealized Gains	311	225
Gross Unrealized Losses	0	0
Estimated Fair Value	$ 70,404	109,940
Included in long-term investments
Debt Securities, Available-for-sale [Line Items]
Amortized Cost		10,017
Gross Unrealized Gains		0
Gross Unrealized Losses		(3)
Estimated Fair Value		$ 10,014

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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