XML 23 R69.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
OPERATING LEASES (Narrative) (Details) - USD ($)
$ in Millions
12 Months Ended
Oct. 31, 2019
Oct. 31, 2018
Oct. 31, 2017
OPERATING LEASES      
Lease expense $ 5.1 $ 4.5 $ 4.4