Financial Assets and Liabilities - Schedule of Maturity for Short-Term Available for Sale Securities (Details) - USD ($) $ in Thousands	Jan. 31, 2022		Oct. 31, 2021
Amortized Cost
less than 1 year	$ 53,374
1-5 years	88,847
5-10 years	4,268
>10 years	2,005
Total	148,494		$ 148,195
Fair Value
less than 1 year	53,269
1-5 years	88,261
5-10 years	4,249
>10 years	1,969
Total	$ 147,748	[1]	$ 147,949

[1] See Note 8. Fair Value Measurements for further discussion on fair values of cash equivalents and short-term investments.