LONG-TERM DEBT (Details) $ in Thousands, ¥ in Millions						1 Months Ended							2 Months Ended	12 Months Ended
	Mar. 05, 2023 USD ($)	Sep. 05, 2022 USD ($)	Mar. 05, 2022 USD ($)	Dec. 07, 2020 USD ($)	Aug. 25, 2019 USD ($)	Nov. 30, 2020 USD ($) Tool	Nov. 30, 2020 CNY (¥) Tool	Jun. 30, 2020 USD ($)	Jun. 30, 2020 CNY (¥)	Jul. 28, 2019 USD ($)	Apr. 30, 2019 USD ($)	Jan. 31, 2015 USD ($)	Dec. 30, 2020 USD ($)	Oct. 31, 2020 USD ($)	Oct. 31, 2019 USD ($)	Oct. 31, 2018 USD ($)	Oct. 31, 2020 CNY (¥)
Long-term debt [Abstract]
Long-term debt														$ 63,950	$ 44,029
Current portion of long-term debt														(8,970)	(2,142)
Long-term debt														54,980	$ 41,887
Maturities of Long-term Debt [Abstract]
2021														8,970
2022														15,142
2023														13,406
2024														9,789
2025														9,432
Thereafter														$ 7,211
Debt Instruments [Abstract]
Weighted-average interest rate of short -term debt														2.02%	3.84%		2.02%
Capitalized interest														$ 100
Interest payments														2,600	$ 2,600	$ 1,900
Short-term debt														4,708	8,731
Proceeds from debt														20,340	54,633	0
Repayments of debt														7,392	61,319	$ 4,639
Xiamen Project Loans [Member]
Long-term debt [Abstract]
Long-term debt														50,100	34,490		¥ 336.0
Maturities of Long-term Debt [Abstract]
2021														6,705
2022														7,334
2023														9,592
2024														9,789
2025														9,432
2026														$ 7,211
Debt Instruments [Abstract]
Interest rate percentage														4.90%			4.90%
Maturity date of debt														Dec. 31, 2025
Maximum borrowing capacity														$ 51,400			¥ 345.0
Repayments of secured debt								$ 1,300	¥ 9.0
Xiamen Project Loans [Member] | Assets Pledged as Collateral [Member]
Debt Instruments [Abstract]
Collateral amount														94,500
Hefei Equipment Loan [Member]
Debt Instruments [Abstract]
Maximum borrowing capacity														29,800			200.0
Collateral amount														87,800
Hefei Equipment Loan [Member] | Forecast [Member]
Debt Instruments [Abstract]
Periodic principal payment	$ 1,600	$ 2,300	$ 2,300
Hefei Equipment Loan [Member] | Subsequent Event [Member]
Debt Instruments [Abstract]
Maturity date of debt						Sep. 30, 2026	Sep. 30, 2026
Proceeds from debt						$ 6,200	¥ 41.0
Term of loan						5 years	5 years
Number of lithography tools to be purchased | Tool						2	2
Frequency of periodic payment						semiannual	semiannual
Percentage repayment of approved loan principal in each first five semiannual loan repayments						7.50%	7.50%
Percentage repayment of approved loan principal in each last five semiannual loan repayments						12.50%	12.50%
Hefei Equipment Loan [Member] | Prime Rate [Member] | Subsequent Event [Member]
Debt Instruments [Abstract]
Basis spread on variable rate						(0.45%)	(0.45%)
Effective interest rate						4.20%	4.20%
Xiamen Working Capital Loans [Member]
Maturities of Long-term Debt [Abstract]
2021														2,265
2022														7,808
2023														$ 3,814
Debt Instruments [Abstract]
Maturity date of debt														Jul. 31, 2023
Maximum borrowing capacity														$ 25,000
Xiamen Working Capital Loans [Member] | Minimum [Member]
Debt Instruments [Abstract]
Basis spread on variable rate														0.40%
Xiamen Working Capital Loans [Member] | Maximum [Member]
Debt Instruments [Abstract]
Basis spread on variable rate														0.76%
Xiamen Working Capital Loans (value added tax component) [Member]
Long-term debt [Abstract]
Long-term debt														$ 13,887	$ 9,539
Debt Instruments [Abstract]
Maximum borrowing capacity | ¥																	140.0
Amount outstanding under credit facility														$ 13,900			¥ 93.2
Xiamen Working Capital Loans (value added tax component) [Member] | Minimum [Member]
Debt Instruments [Abstract]
Interest rate percentage														4.53%			4.53%
Xiamen Working Capital Loans (value added tax component) [Member] | Maximum [Member]
Debt Instruments [Abstract]
Interest rate percentage														4.61%			4.61%
Xiamen Working Capital Loans, Fund Operations [Member]
Debt Instruments [Abstract]
Interest rate percentage														4.60%			4.60%
Maximum borrowing capacity | ¥																	¥ 60.0
Short-term debt														$ 1,200			¥ 8.0
Term of loan														1 year
U.S. Equipment Loan #1 [Member]
Debt Instruments [Abstract]
Maximum borrowing capacity										$ 35,000
Proceeds from debt					$ 3,500
U.S. Equipment Loan #1 [Member] | Subsequent Event [Member]
Debt Instruments [Abstract]
Proceeds from debt				$ 28,000
U.S. Equipment Loan #1 [Member] | LIBOR [Member]
Debt Instruments [Abstract]
Basis spread on variable rate										1.00%
Term of variable rate										30 days
Effective interest rate														1.15%			1.15%
U.S. Equipment Loan #2 [Member] | Subsequent Event [Member]
Debt Instruments [Abstract]
Interest rate percentage													1.56%
Proceeds from debt													$ 6,500
U.S. Equipment Loan #2 [Member] | Maximum [Member]
Debt Instruments [Abstract]
Maximum borrowing capacity														$ 10,000
Amended and Restated Credit Agreement [Member]
Debt Instruments [Abstract]
Maximum borrowing capacity														$ 100,000
Term of loan														5 years
Current borrowing capacity														$ 50,000
Cash limit for dividends, distributions and redemption on equity														50,000
Amount outstanding under credit facility														0
Available borrowing capacity														$ 50,000
Effective interest rate														1.14%			1.14%
3.25% Convertible Senior Notes due in April 2016 [Member]
Debt Instruments [Abstract]
Interest rate percentage												3.25%
Maturity date of debt												Apr. 01, 2016
Face amount of debt												$ 57,500
3.25% Convertible Senior Notes Matured April 2019 [Member]
Debt Instruments [Abstract]
Interest rate percentage														3.25%			3.25%
Maturity date of debt														Apr. 01, 2019
Face amount of debt														$ 57,500
Repayments of debt											$ 57,500