XML 66 R51.htm IDEA: XBRL DOCUMENT v3.20.4
Summary of Significant Accounting Policies and Related Data - Accounts Payable (Details) - USD ($)
$ in Millions
Oct. 31, 2020
Oct. 31, 2019
Accounting Policies [Abstract]    
Outstanding payment obligations placed on the accounts payable tracking system $ 63.5 $ 46.7