Short-Term and Long-Term Investments

12 Months Ended

Oct. 31, 2019

Investments, Debt and Equity Securities [Abstract]

SHORT-TERM AND LONG-TERM INVESTMENTS

SHORT-TERM AND LONG-TERM INVESTMENTS

As of October 31, 2019, investments are comprised of the following (in thousands):

	October 31, 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

As of October 31, 2018, investments are comprised of the following (in thousands):

	October 31, 2018
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
U.S. government obligations:
Included in short-term investments	$	139,365	$	—	$	(347	)	$	139,018
Included in long-term investments	59,029		—		(59		)	58,970
	$	198,394	$	—	$	(406	)	$	197,988
Commercial paper:
Included in short-term investments	$	9,963	$	—	$	—		$	9,963
	$	9,963	$	—	$	—		$	9,963

The following table summarizes the legal maturities of debt investments at October 31, 2019:

	October 31, 2019
	Amortized Cost		Estimated Fair Value
Less than one year	$	109,715	$	109,940
Due in 1-2 years	10,017		10,014
	$	119,732	$	119,954