v3.6.0.2
Document and Entity Information - USD ($)
12 Months Ended
Oct. 30, 2016
Dec. 28, 2016
May 01, 2016
Document and Entity Information [Abstract]      
Entity Registrant Name PHOTRONICS INC    
Entity Central Index Key 0000810136    
Current Fiscal Year End Date --10-30    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Accelerated Filer    
Entity Public Float     $ 616,765,723
Entity Common Stock, Shares Outstanding   68,325,098  
Document Fiscal Year Focus 2016    
Document Fiscal Period Focus FY    
Document Type 10-K    
Amendment Flag false    
Document Period End Date Oct. 30, 2016