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REVENUE, Contract Assets, Liabilities and Accounts Receivable (Details) - USD ($)
$ in Thousands
3 Months Ended
Jan. 27, 2019
Nov. 02, 2018
Contract with Customer, Asset and Liability [Abstract]    
Impairment loss on contract assets $ 0  
Change in Contract with Customer, Liability [Abstract]    
Revenue from settlement of contract liabilities 700  
Other Current Assets [Member]    
Contract with Customer, Asset and Liability [Abstract]    
Contract assets 6,800  
Other Current Liabilities [Member]    
Contract with Customer, Asset and Liability [Abstract]    
Contract liabilities $ 9,500  
Minimum [Member]    
Change in Contract with Customer, Liability [Abstract]    
Product invoice term 30 days  
Product Warranty [Abstract]    
Product warranty period 30 days  
Maximum [Member]    
Change in Contract with Customer, Liability [Abstract]    
Product invoice term 90 days  
Product Warranty [Abstract]    
Product warranty period 90 days  
IC [Member] | Minimum [Member]    
Remaining Performance Obligations [Abstract]    
Customer order, expected satisfaction period 7 days  
IC [Member] | Maximum [Member]    
Remaining Performance Obligations [Abstract]    
Customer order, expected satisfaction period 14 days  
FPD [Member] | Minimum [Member]    
Remaining Performance Obligations [Abstract]    
Customer order, expected satisfaction period 14 days  
FPD [Member] | Maximum [Member]    
Remaining Performance Obligations [Abstract]    
Customer order, expected satisfaction period 21 days  
ASU 2014-09 [Member]    
Contract with Customer, Asset and Liability [Abstract]    
Contract assets   $ 4,600
Contract liabilities   $ 7,800