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EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jul. 29, 2018 | Jul. 30, 2017 | Jul. 29, 2018 | Jul. 30, 2017
Calculation of basic and diluted earnings per share [Abstract] |  |  |  |
Net income attributable to Photronics, Inc. shareholders | $ 13,005 | $ 4,001 | $ 29,568 | $ 7,745
Effect of dilutive securities [Abstract] |  |  |  |
Interest expense on convertible notes, net of tax | 496 | 0 | 1,488 | 0
Earnings used for diluted earnings per share | $ 13,501 | $ 4,001 | $ 31,056 | $ 7,745
Weighted-average common shares computations [Abstract] |  |  |  |
Weighted-average common shares used for basic earnings per share (in shares) | 69,374 | 68,525 | 69,141 | 68,376
Effect of dilutive securities [Abstract] |  |  |  |
Convertible notes (in shares) | 5,542 | 0 | 5,542 | 0
Share-based payment awards (in shares) | 342 | 855 | 438 | 935
Potentially dilutive common shares (in shares) | 5,884 | 855 | 5,980 | 935
Weighted-average common shares used for diluted earnings per share (in shares) | 75,258 | 69,380 | 75,121 | 69,311
Basic earnings per share (in dollars per share) | $ 0.19 | $ 0.06 | $ 0.43 | $ 0.11
Diluted earnings per share (in dollars per share) | $ 0.18 | $ 0.06 | $ 0.41 | $ 0.11
Antidilutive Securities [Abstract] |  |  |  |
Total potentially dilutive shares excluded (in shares) | 1,873 | 6,629 | 1,826 | 6,596
Share-Based Payment Awards [Member] |  |  |  |
Antidilutive Securities [Abstract] |  |  |  |
Total potentially dilutive shares excluded (in shares) | 1,873 | 1,087 | 1,826 | 1,054
Convertible Notes [Member] |  |  |  |
Antidilutive Securities [Abstract] |  |  |  |
Total potentially dilutive shares excluded (in shares) | 0 | 5,542 | 0 | 5,542

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