REVENUE (Contract Assets and Liabilities) (Details) - USD ($) $ in Thousands	9 Months Ended
	Jul. 31, 2020	Oct. 31, 2019
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Abstract]
Contract assets	$ 59,113	$ 43,132
Contract liabilities	22,863	23,809
Net contract assets	36,250	$ 19,323
Change in Contract Assets	15,981
Change in Contract Liabilities	(946)
Change in Net Contract Asstes	$ 16,927