INCOME TAXES, UNRECOGNIZED TAX BENEFITS AND CARRYFORWARDS (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	12 Months Ended
	Sep. 30, 2019	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2018
Rights Agreement [Abstract]
Dividend declared, preferred stock for each share of common stock outstanding (in shares)	1
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01	$ 0.01
Unrecognized Tax Benefits [Abstract]
Balance at beginning of year		$ 1,758	$ 1,775	$ 3,384
Additions for tax positions in prior years		227
Reductions for tax positions in prior years			(466)	(44)
Additions based on current year tax positions		1,576	1,286	498
Settlements		(992)	(204)	(56)
Lapses of statutes of limitations		(19)	(633)	(2,007)
Balance at end of year		2,550	1,758	1,775
Income Tax Uncertainties [Abstract]
Accrued interest and penalties related to unrecognized tax benefits		100	200	100
Uncertain tax positions that may be resolved over next twelve months		400
Income taxes, additional disclosures [Abstract]
Income taxes paid		23,000	15,900	6,100
Cash received for refunds of income taxes		4,300		1,100
Recorded in Other Liabilities [Member]
Income Tax Uncertainties [Abstract]
Unrecognized tax benefits that would impact effective tax rate		2,000	$ 1,900	$ 1,900
Federal Research and Development [Member]
Tax Credit Carryforward [Abstract]
Tax credit carryforward amount		$ 4,796
Federal Research and Development [Member] | Minimum [Member]
Tax Credit Carryforward [Abstract]
Expiration period		Oct. 31, 2024
Federal Research and Development [Member] | Maximum [Member]
Tax Credit Carryforward [Abstract]
Expiration period		Oct. 31, 2040
State [Member]
Tax Credit Carryforward [Abstract]
Tax credit carryforward amount		$ 5,928
State [Member] | Minimum [Member]
Tax Credit Carryforward [Abstract]
Expiration period		Oct. 31, 2020
State [Member] | Maximum [Member]
Tax Credit Carryforward [Abstract]
Expiration period		Oct. 31, 2034
Federal [Member]
Operating Loss Carryforward [Abstract]
Operating loss carryforwards amount		$ 90,125
Federal [Member] | Minimum [Member]
Operating Loss Carryforward [Abstract]
Expiration periods		Oct. 31, 2028
State [Member]
Operating Loss Carryforward [Abstract]
Operating loss carryforwards amount		$ 205,649
State [Member] | Minimum [Member]
Operating Loss Carryforward [Abstract]
Expiration periods		Oct. 31, 2020
State [Member] | Maximum [Member]
Operating Loss Carryforward [Abstract]
Expiration periods		Oct. 31, 2040
Foreign [Member]
Operating Loss Carryforward [Abstract]
Operating loss carryforwards amount		$ 14,895
Foreign [Member] | Minimum [Member]
Operating Loss Carryforward [Abstract]
Expiration periods		Oct. 31, 2022
Foreign [Member] | Maximum [Member]
Operating Loss Carryforward [Abstract]
Expiration periods		Oct. 31, 2030