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Fair Value Measurements (Tables)
6 Months Ended
Apr. 30, 2020
Fair Value Disclosures [Abstract]  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis
The following table sets forth the Company’s financial assets as of October 31, 2019, which were measured on a recurring basis during the period, segregated by level within the fair value hierarchy (in thousands): 
October 31, 2019
Level 1
 
Level 2
 
Level 3
 
Total
Assets at fair value:
 

 
 

 
 

 
 

Equity securities
$
17,346

 
$

 
$

 
$
17,346