STOCKHOLDERS' EQUITY - Stock Repurchase Program (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2023	Jul. 31, 2022	Mar. 01, 2023	Jan. 09, 2023	Feb. 18, 2021
2021 Repurchase Program [Member]
Share repurchase program
Share repurchase program authorized amount							$ 2,000.0
Shares repurchased and retired during period, (Shares)		2,673,000	661,739	7,331,000
Shares repurchased and retired during period, (Value)		$ 323.0	$ 99.0	$ 1,004.0
Remaining authorized repurchase amount under share repurchase program	$ 1,604.0		1,604.0		$ 339.0
Excise Taxes Payable	$ 2.4		$ 2.4
2023 Repurchase Program
Share repurchase program
Share repurchase program authorized amount						$ 2,000.0
Shares repurchased and retired during period, (Shares)	2,812,000		3,256,000
Shares repurchased and retired during period, (Value)	$ 335.0		$ 396.0