INTANGIBLE ASSETS (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2019	Oct. 31, 2018	Oct. 29, 2017
Intangible Asset [Abstract]
Amortization of intangible assets	$ 4,641	$ 4,797	$ 4,874
Intangible assets, net [Abstract]
Gross Amount	75,327	75,282
Accumulated Amortization	(67,457)	(62,914)
Net Amount	7,870	12,368
Intangible asset amortization over the next five years [Abstract]
2020	4,589
2021	2,721
2022	125
2023	123
2024	123
Technology License Agreement [Member]
Intangible assets, net [Abstract]
Gross Amount	59,616	59,616
Accumulated Amortization	(53,323)	(49,349)
Net Amount	6,293	10,267
Customer Relationships [Member]
Intangible assets, net [Abstract]
Gross Amount	9,174	9,147
Accumulated Amortization	(8,186)	(7,959)
Net Amount	988	1,188
Software and Other [Member]
Intangible assets, net [Abstract]
Gross Amount	6,537	6,519
Accumulated Amortization	(5,948)	(5,606)
Net Amount	$ 589	$ 913
Weighted-average amortization period for intangible assets acquired during the year	3 years	3 years