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QUARTERLY RESULTS OF OPERATIONS (UNAUDITED) (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended
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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.

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