INSURANCE - Instruments Used to Collateralize Insurance Obligations (Details) - USD ($) $ in Millions	Jul. 31, 2023	Oct. 31, 2022
Letters Of Credit [Line Items]
Instruments used to collateralize insurance obligations	$ 230.4	$ 227.8
Standby letters of credit
Letters Of Credit [Line Items]
Instruments used to collateralize insurance obligations	53.8	153.7
Surety bonds and surety-backed letters of credit
Letters Of Credit [Line Items]
Instruments used to collateralize insurance obligations	174.0	73.2
Restricted insurance deposits
Letters Of Credit [Line Items]
Instruments used to collateralize insurance obligations	$ 2.6	$ 0.9