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DEBT (Details)
$ in Thousands, ¥ in Millions
 6 Months Ended 12 Months Ended
May 01, 2022
USD ($)
Oct. 31, 2021
USD ($)
Oct. 31, 2020
USD ($)
Tool
May 01, 2022
CNY (¥)
Oct. 31, 2021
CNY (¥)
Feb. 28, 2021
USD ($)
Dec. 31, 2020
USD ($)
Oct. 31, 2020
CNY (¥)
Nov. 30, 2018
CNY (¥)
Sep. 30, 2018
USD ($)
Long Term Debt Maturing In Year One [Abstract]                    
Next 12 months $ 12,410 $ 22,248                
Long-term Debt [Abstract]                    
Months 13 - 24 20,756 25,281                
Months 25 - 36 38,683 23,145                
Months 37 - 48 10,699 33,448                
Months 49 - 60   7,572                
Long-term debt 70,138 89,446                
Total 82,548 111,694                
Finance lease amount 34,740 38,372                
Xiamen Project Loans [Member]                    
Long Term Debt Maturing In Year One [Abstract]                    
Next 12 months 0 2,068                
Long-term Debt [Abstract]                    
Months 13 - 24 6,266 10,071                
Months 25 - 36 9,837 10,278                
Months 37 - 48 9,080 9,902                
Months 49 - 60   7,572                
Long-term debt 25,183 37,823                
Total $ 25,183 $ 39,891                
Interest rate at balance sheet date 4.60% 4.65%                
Basis spread on interest rates 0.00% 0.00%                
Maturity date Dec. 01, 2025 Dec. 01, 2025                
Periodic payment amount Varies as loans mature                  
Periodic payment frequency Semiannual, on individual loans                  
Loan collateral (carrying amount) $ 82,920 $ 90,096                
Maximum borrowing capacity | ¥                 ¥ 345.0  
Amount outstanding 25,200     ¥ 166.4            
Xiamen Working Capital Loans [Member]                    
Long Term Debt Maturing In Year One [Abstract]                    
Next 12 months 969 8,197                
Long-term Debt [Abstract]                    
Months 13 - 24 3,390 4,005                
Months 25 - 36 0 0                
Months 37 - 48 0 0                
Months 49 - 60   0                
Long-term debt 3,390 4,005                
Total $ 4,359 $ 12,202                
Interest rate at balance sheet date 4.61%                  
Basis spread on interest rates 0.76%                  
Maturity date Jul. 01, 2023 Jul. 01, 2023                
Periodic payment amount Increases as loans mature                  
Periodic payment frequency Semiannual, on individual loans                  
Maximum borrowing capacity $ 25,000                  
Expiration date Oct. 31, 2022                  
Amount outstanding $ 4,400     28.8            
Xiamen Working Capital Loans [Member] | Minimum [Member]                    
Long-term Debt [Abstract]                    
Interest rate at balance sheet date   4.53%                
Basis spread on interest rates   0.6775%                
Xiamen Working Capital Loans [Member] | Maximum [Member]                    
Long-term Debt [Abstract]                    
Interest rate at balance sheet date   4.61%                
Basis spread on interest rates   0.76%                
Hefei Equipment Loan [Member]                    
Long Term Debt Maturing In Year One [Abstract]                    
Next 12 months 4,540 $ 4,694                
Long-term Debt [Abstract]                    
Months 13 - 24 4,540 4,693                
Months 25 - 36 7,567 6,257                
Months 37 - 48 1,619 5,585                
Months 49 - 60   0                
Long-term debt 13,726 16,535                
Total $ 18,266 $ 21,229                
Interest rate at balance sheet date 4.20% 4.20%                
Basis spread on interest rates (0.45%) (0.45%)                
Maturity date Sep. 01, 2025 Sep. 01, 2025                
Periodic payment amount [1] Varies                  
Periodic payment frequency [2] Semiannual                  
Loan collateral (carrying amount) $ 81,024 $ 86,487                
Percent of repayment on approved loan principal in each first five semiannual loan repayments 7.50% 7.50%                
Percent of repayment on original approved loan amount in each last five semiannual loan repayments 12.50% 12.50%                
Maximum borrowing capacity     $ 30,300 200.0 ¥ 200.0     ¥ 200.0    
Expiration date Aug. 31, 2022                  
Proceeds from line of credit | ¥       135.7            
Available borrowing capacity $ 9,700     64.3            
Amount outstanding 18,300     ¥ 120.7            
Number of lithography tools to be purchased | Tool     2              
Finance Leases [Member]                    
Long Term Debt Maturing In Year One [Abstract]                    
Next 12 months 6,901 $ 7,289                
Long-term Debt [Abstract]                    
Months 13 - 24 6,560 6,512                
Months 25 - 36 21,279 6,610                
Months 37 - 48 0 17,961                
Months 49 - 60   0                
Long-term debt 27,839 31,083                
Total $ 34,740 38,372                
Periodic payment frequency Monthly                  
Loan collateral (carrying amount) [3] $ 39,405 $ 40,826                
Finance lease contract term           5 years        
Finance lease amount           $ 7,200 $ 35,500      
Amended and Restated Credit Agreement [Member]                    
Long-term Debt [Abstract]                    
Maximum borrowing capacity                   $ 100,000
Amount outstanding $ 0                  
Term of loan 5 years                  
Current borrowing capacity                   50,000
Cash limit for dividends, distributions and redemption on equity                   $ 50,000
Effective interest rate 1.76%     1.76%            
[1] First five loan repayments will each be for 7.5 percent of the approved 200 million RMB loan principal; last five installments will each be for 12.5 percent of the approved loan principal.
[2] Semiannual repayments commenced in March 2022.
[3] Represents the carrying amount at the balance sheet date of the related ROU assets, in which the lessors have secured interests.