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ACQUISITION OF DNP PHOTOMASK TECHNOLOGY TAIWAN CO., LTD., Pro Forma Information (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended
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Oct. 30, 2016 | [1] | Jul. 31, 2016 | May 01, 2016 | [2] | Jan. 31, 2016 | [3] | Nov. 01, 2015 | Aug. 02, 2015 | May 03, 2015 | Feb. 01, 2015 | [4] | Oct. 30, 2016 | [3],[5] | Nov. 01, 2015 | [4] | Nov. 02, 2014
Business Acquisition, Pro Forma Information [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |  |  | $ 499,968
Net income |  |  |  |  |  |  |  |  |  |  | 23,969
Net income attributable to Photronics, Inc. shareholders | $ 5,256 | $ 8,088 | $ 11,854 | $ 21,002 | $ 18,622 | $ 12,106 | $ 10,060 | $ 3,837 | $ 46,200 | $ 44,625 | $ 25,996
Diluted earnings per share (in dollars per share) |  |  |  |  |  |  |  |  |  |  | $ 0.19
Pro Forma [Member] |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Pro Forma Information [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net income attributable to Photronics, Inc. shareholders |  |  |  |  |  |  |  |  |  |  | $ 12,169
[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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