Short-Term and Long-Term Investments (Tables)

12 Months Ended

Oct. 31, 2020

Investments, Debt and Equity Securities [Abstract]

Short-term and long-term investments

As of October 31, 2020, investments are comprised of the following (in thousands):

	October 31, 2020
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
U.S. government obligations:
Included in short-term investments	$	150,559	$	109	$	(1)	$	150,667
Included in long-term investments	82,252		—		(26)		82,226
	$	232,811	$	109	$	(27)	$	232,893

As of November 2, 2019, investments are comprised of the following (in thousands):

	November 2, 2019
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
U.S. government obligations:
Included in short-term investments	$	109,715	$	225	$	—	$	109,940
Included in long-term investments	10,017		—		(3)		10,014
	$	119,732	$	225	$	(3)	$	119,954

Legal maturities of debt investments

The following table summarizes the legal maturities of debt investments at October 31, 2020 (in thousands):

	October 31, 2020
	Amortized Cost		Estimated Fair Value
Less than one year	$	150,559	$	150,667
Due in 1-2 years	82,252		82,226
	$	232,811	$	232,893