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QUARTERLY RESULTS OF OPERATIONS (UNAUDITED) (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Oct. 30, 2016
Jul. 31, 2016
May 01, 2016
Jan. 31, 2016
Nov. 01, 2015
Aug. 02, 2015
May 03, 2015
Feb. 01, 2015
Oct. 30, 2016
Nov. 01, 2015
Nov. 02, 2014
Selected Quarterly Financial Data (Unaudited) [Abstract]                      
Net sales $ 107,368 [1] $ 123,209 $ 122,923 [2] $ 129,956 [3] $ 141,693 $ 131,699 $ 127,309 $ 123,505 [4] $ 483,456 [3],[5] $ 524,206 [4] $ 455,527
Gross profit 20,533 [1] 31,450 31,287 [2] 35,436 [3] 44,614 37,243 33,095 28,184 [4] 118,706 [3],[5] 143,136 [4]  
Net income 6,569 [1] 11,453 14,153 [2] 23,501 [3] 22,151 15,410 12,156 7,142 [4] 55,676 [3],[5] 56,859 [4] 32,035
Net income attributable to Photronics, Inc. shareholders $ 5,256 [1] $ 8,088 $ 11,854 [2] $ 21,002 [3] $ 18,622 $ 12,106 $ 10,060 $ 3,837 [4] $ 46,200 [3],[5] $ 44,625 [4] $ 25,996
Earnings per share [Abstract]                      
Basic (in dollars per share) $ 0.08 [1] $ 0.12 $ 0.18 [2] $ 0.31 [3] $ 0.28 $ 0.18 $ 0.15 $ 0.06 [4] $ 0.68 [3],[5] $ 0.67 [4] $ 0.42
Diluted (in dollars per share) $ 0.08 [1] $ 0.12 $ 0.16 [2] $ 0.28 [3] $ 0.25 $ 0.17 $ 0.14 $ 0.06 [4] $ 0.64 [3],[5] $ 0.63 [4] $ 0.41
Schedule of Investments [Line Items]                      
Gain on sale of investments                 $ 8,940 $ 0 $ 0
Tax benefits related to prior year                 (5,200) (9,300) (7,100)
Taiwan [Member]                      
Selected Quarterly Financial Data (Unaudited) [Abstract]                      
Net sales                 193,216 205,141 $ 167,075
Schedule of Investments [Line Items]                      
Tax benefits related to prior year $ 3,000   $ 1,800           4,800    
3.25% Convertible Senior Notes [Member]                      
Debt Instrument [Line Items]                      
Financing expenses               $ 900   900  
Convertible senior notes         $ 57,500     $ 57,500   $ 57,500  
Interest rate percentage         3.25%     3.25%   3.25%  
Investment in Foreign Entity [Member]                      
Schedule of Investments [Line Items]                      
Gain on sale of investments       $ 8,800         $ 8,800    
[1] Includes a tax benefit in Taiwan of $3.0 million related to the recognition of prior period tax benefits and other tax positions no longer deemed necessary.
[2] Includes a tax benefit in Taiwan of $1.8 million related to prior years.
[3] Includes $8.8 million gain on sale of investment in a foreign entity.
[4] Includes expenses of $0.9 million of financing expenses related to the exchange of $57.5 million 3.25% convertible senior notes.
[5] Includes tax benefits in Taiwan of $4.8 million primarily related to the recognition of prior period tax benefits and other tax positions no longer deemed necessary.