SHARE-BASED COMPENSATION, Share-based Activity (Details) - $ / shares shares in Thousands	12 Months Ended
	Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2019
Shares Available for Grant [Roll Forward]
Opening Balance Outstanding Shares (Shares Available For Grant)	4,064	4,085	4,612
Granted (Available for Grant)	(699)	(29)	(538)
Cancelled (Available for Grant)	9	8	11
Ending Balance Outstanding Shares (Shares Available For Grant)	3,374	4,064	4,085
Shares Outstanding [Roll Forward]
Outstanding (Shares Under Option)	3,993	4,692	6,400
Granted (Shares Under Option)	699	29	538
Exercised (Shares Under Option)	(342)	(720)	(2,235)
Cancelled (Shares Under Option)	(9)	(8)	(11)
Outstanding (Shares Under Option)	4,341	3,993	4,692
Weighted Average Exercise Price [Roll Forward]
Outstanding (in dollars per share)	$ 36.75	$ 33.73	$ 23.19
Granted (in dollars per share)	125.57	97.00	73.30
Exercised (in dollars per share)	21.88	19.32	12.98
Cancelled (in dollars per share)	64.78	55.61	49.79
Outstanding (in dollars per share)	$ 52.16	$ 36.75	$ 33.73