v3.10.0.1
Document and Entity Information - shares
3 Months Ended
Jan. 27, 2019
Mar. 04, 2019
Document and Entity Information [Abstract]    
Entity Registrant Name PHOTRONICS INC  
Entity Central Index Key 0000810136  
Current Fiscal Year End Date --10-31  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Ex Transition Period false  
Entity Common Stock, Shares Outstanding   67,051,505
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Jan. 27, 2019  
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q1