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PDMCX JOINT VENTURE, Carrying Amounts of Assets and Liabilities (Details) - USD ($) $ in Thousands | Jan. 31, 2021 | Oct. 31, 2020
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Carrying amounts of assets and liabilities [Abstract] |  |
Current assets | $ 506,112 | $ 500,139
Total assets | 1,232,062 | 1,188,182
Current liabilities | 145,531 | 142,939
Total liabilities | 253,566 | 225,916
Carrying Amount [Member] |  |
Carrying amounts of assets and liabilities [Abstract] |  |
Current assets | 43,753 | 56,095
Noncurrent assets | 144,069 | 141,097
Total assets | 187,822 | 197,192
Current liabilities | 29,545 | 31,922
Noncurrent liabilities | 44,620 | 55,676
Total liabilities | 74,165 | 87,598
Net assets | 113,657 | 109,594
Photronics Interest [Member] |  |
Carrying amounts of assets and liabilities [Abstract] |  |
Current assets | 21,881 | 28,053
Noncurrent assets | 72,049 | 70,562
Total assets | 93,930 | 98,615
Current liabilities | 14,776 | 15,964
Noncurrent liabilities | 22,314 | 27,844
Total liabilities | 37,090 | 43,808
Net assets | $ 56,840 | $ 54,807

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