REVENUE (Contract Assets and Liabilities) (Details) - USD ($) $ in Thousands	9 Months Ended
	Jul. 31, 2021	Oct. 31, 2020
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Abstract]
Contract assets	$ 62,400	$ 60,429
Contract liabilities	26,693	25,631
Net contract assets	35,707	$ 34,798
Change in Contract Assets	1,971
Change in Contract Liabilities	1,062
Change in Net Contract Assets	$ 909