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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)
$ in Thousands
12 Months Ended
Oct. 31, 2020
USD ($)
Facility
Oct. 31, 2019
USD ($)
Manufacturing Facilities [Abstract]    
Number of manufacturing facilities | Facility 11  
Inventories [Abstract]    
Raw materials $ 56,389 $ 46,027
Work in process 767 2,122
Finished goods 113 6
Inventory 57,269 48,155
Restricted Cash [Abstract]    
Restricted cash 2,900 2,800
Revenue Recognition [Abstract]    
Contract assets 6,313 7,596
Contract liabilities current 8,024 11,542
Contract liabilities non-current 5,200  
Impairment loss on contract assets 0 0
Revenue from settlement of contract liabilities $ 2,800 1,300
Minimum [Member]    
Intangible Assets [Abstract]    
Estimated useful lives 3 years  
Revenue Recognition [Abstract]    
Product invoice term 30 days  
Product warranty period 1 month  
Maximum [Member]    
Intangible Assets [Abstract]    
Estimated useful lives 15 years  
Revenue Recognition [Abstract]    
Product invoice term 90 days  
Product warranty period 24 months  
Buildings and Improvements [Member] | Minimum [Member]    
Property, Plant and Equipment [Abstract]    
Estimated useful lives 10 years  
Buildings and Improvements [Member] | Maximum [Member]    
Property, Plant and Equipment [Abstract]    
Estimated useful lives 39 years  
Machinery and Equipment [Member] | Minimum [Member]    
Property, Plant and Equipment [Abstract]    
Estimated useful lives 5 years  
Machinery and Equipment [Member] | Maximum [Member]    
Property, Plant and Equipment [Abstract]    
Estimated useful lives 15 years  
Furniture, Fixtures and Office Equipment [Member] | Minimum [Member]    
Property, Plant and Equipment [Abstract]    
Estimated useful lives 3 years  
Furniture, Fixtures and Office Equipment [Member] | Maximum [Member]    
Property, Plant and Equipment [Abstract]    
Estimated useful lives 5 years  
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  
Taiwan [Member]    
Manufacturing Facilities [Abstract]    
Number of manufacturing facilities | Facility 3  
Korea [Member]    
Manufacturing Facilities [Abstract]    
Number of manufacturing facilities | Facility 1  
United States [Member]    
Manufacturing Facilities [Abstract]    
Number of manufacturing facilities | Facility 3  
Europe [Member]    
Manufacturing Facilities [Abstract]    
Number of manufacturing facilities | Facility 2  
China [Member]    
Manufacturing Facilities [Abstract]    
Number of manufacturing facilities | Facility 2  
ASU 2016-02 [Member]    
Leases [Abstract]    
Right-of-use leased assets   6,500
Lease liabilities   $ 6,500