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, 2019	Oct. 31, 2018	Oct. 29, 2017
Valuation Allowance [Abstract]
Valuation allowance change - AMT credits			$ (3,900)
Valuation allowance change - NOL Utilization			(1,800)
Valuation allowance change - Credit Utilizations			(1,300)
Valuation allowance change - change in deferred tax liability			2,800
Valuation allowance change - adoption of ASU 2016-09			1,800
Valuation allowance change - corporate tax rate reduction			1,600
Valuation allowance change - impact of other factors			$ (400)
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		$ 1,775	$ 3,384	$ 4,606
Additions for tax positions in prior years				207
Reductions for tax positions in prior years		(466)	(44)
Additions based on current year tax positions		1,286	498	323
Settlements		(204)	(56)	(922)
Lapses of statutes of limitations		(633)	(2,007)	(830)
Balance at end of year		1,758	1,775	3,384
Income Tax Uncertainties [Abstract]
Accrued interest and penalties related to unrecognized tax benefits		200	100	100
Income taxes, additional disclosures [Abstract]
Income taxes paid		15,900	6,100	9,300
Cash received for refunds of income taxes			1,100	100
ASU 2016-16 [Member]
Adoption of New Accounting Standard [Abstract]
Cumulative effect of adoption of new accounting principle			(1,133)
Recorded in Other Liabilities [Member]
Income Tax Uncertainties [Abstract]
Unrecognized tax benefits that would impact effective tax rate		1,900	$ 1,900	$ 3,400
Federal Research and Development [Member]
Tax Credit Carryforward [Abstract]
Tax credit carryforward amount		$ 4,522
Federal Research and Development [Member] | Minimum [Member]
Tax Credit Carryforward [Abstract]
Expiration period		Oct. 31, 2019
Federal Research and Development [Member] | Maximum [Member]
Tax Credit Carryforward [Abstract]
Expiration period		Oct. 31, 2039
State [Member]
Tax Credit Carryforward [Abstract]
Tax credit carryforward amount		$ 5,870
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, 2029
Federal [Member]
Operating Loss Carryforward [Abstract]
Operating loss carryforwards amount		$ 85,949
Federal [Member] | Minimum [Member]
Operating Loss Carryforward [Abstract]
Expiration periods		Oct. 31, 2028
State [Member]
Operating Loss Carryforward [Abstract]
Operating loss carryforwards amount		$ 206,513
State [Member] | Minimum [Member]
Operating Loss Carryforward [Abstract]
Expiration periods		Oct. 31, 2019
State [Member] | Maximum [Member]
Operating Loss Carryforward [Abstract]
Expiration periods		Oct. 31, 2039
Foreign [Member]
Operating Loss Carryforward [Abstract]
Operating loss carryforwards amount		$ 9,177
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, 2029