SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Revenue Recognition (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2019
Revenue Recognition [Abstract]
Contract assets	$ 9,859	$ 6,313
Contract liabilities current	14,717	8,024
Contract liabilities non-current	5,200	5,200
Impairment loss on contract assets	0	0	$ 0
Revenue from settlement of contract liabilities	$ 5,300	$ 2,800	$ 1,300
Minimum [Member]
Revenue Recognition [Abstract]
Product invoice term	30 days
Maximum [Member]
Revenue Recognition [Abstract]
Product invoice term	90 days
IC [Member] | Minimum [Member]
Revenue Recognition [Abstract]
Customer order, expected satisfaction period	7 days
IC [Member] | Maximum [Member]
Revenue Recognition [Abstract]
Customer order, expected satisfaction period	14 days
FPD [Member] | Minimum [Member]
Revenue Recognition [Abstract]
Customer order, expected satisfaction period	14 days
FPD [Member] | Maximum [Member]
Revenue Recognition [Abstract]
Customer order, expected satisfaction period	21 days