INSURANCE - Instruments Used to Collateralize Insurance Obligations (Details) - USD ($) $ in Millions	Jan. 31, 2022	Oct. 31, 2021
Letters Of Credit [Line Items]
Instruments used to collateralize insurance obligations	$ 242.4	$ 242.3
Standby letters of credit
Letters Of Credit [Line Items]
Instruments used to collateralize insurance obligations	157.5	157.9
Surety bonds
Letters Of Credit [Line Items]
Instruments used to collateralize insurance obligations	84.2	83.8
Restricted insurance deposits
Letters Of Credit [Line Items]
Instruments used to collateralize insurance obligations	$ 0.7	$ 0.7