DEBT (Credit Facility) (Details) - Revolving Credit Facility [Member] $ in Millions	12 Months Ended
	Oct. 31, 2019 USD ($)
Line of Credit Facility [Line Items]
Line of Credit Facility, Borrowing Capacity, Description	On February 15, 2017, we entered into an amended and restated credit agreement (the “Revolving Credit Facility”) that replaced our existing $450 million unsecured credit facility dated September 15, 2014. The Revolving Credit Facility provides for a $450 million, five-year unsecured revolving credit facility that will expire on February 15, 2022 and bears interest at an annual rate of LIBOR + 1.10%. In addition, the Revolving Credit Facility permits us to increase the total commitments under this credit facility by up to $150 million in the aggregate on one or more occasions upon request. We may use amounts borrowed under the facility for general corporate purposes.
Line of Credit Facility, Initiation Date	Feb. 15, 2017
Line of Credit Facility, Maximum Borrowing Capacity	$ 450
Line of Credit Facility, Expiration Date	Feb. 15, 2022
Additional amount of drawings	$ 150
Line of Credit Facility, Fair Value of Amount Outstanding	$ 0
Line of Credit Facility, Covenant Compliance	We were in compliance with the covenants of the Revolving Credit Facility during the year ended October 31, 2019.
London Interbank Offered Rate (LIBOR) [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Description of Variable Rate Basis	LIBOR + 1.10%