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RELATED PARTY TRANSACTIONS (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Oct. 31, 2019 | Jul. 28, 2019 | Apr. 28, 2019 | Jan. 27, 2019 | Oct. 31, 2018 | Jul. 29, 2018 | Apr. 29, 2018 | [1] | Jan. 28, 2018 | Oct. 31, 2019 | Oct. 31, 2018 | Oct. 29, 2017
Related Party Agreement [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue | $ 156,256 | $ 138,112 | $ 131,580 | $ 124,712 | $ 144,660 | $ 136,391 | $ 130,779 | $ 123,446 | $ 550,660 | [1] | $ 535,276 | [1] | $ 450,678
Accounts receivable | 134,454 |  |  |  | 120,515 |  |  |  | 134,454 |  | 120,515 |  |
Customer One [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Agreement [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 87,000 |  | 78,400 |  | 73,600
Accounts receivable | $ 22,200 |  |  |  | $ 23,500 |  |  |  | $ 22,200 |  | 23,500 |  |
DEMA Associates, LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Agreement [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Consulting agreement period |  |  |  |  |  |  |  |  | 4 years |  |  |  |
Annual cost of consulting contract |  |  |  |  |  |  |  |  | $ 400 |  |  |  |
Expenses incurred for goods or services provided by related party during the period |  |  |  |  |  |  |  |  | $ 400 |  | 300 |  |
Information Technology Services Provider [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Agreement [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Expenses incurred for goods or services provided by related party during the period |  |  |  |  |  |  |  |  |  |  | $ 100 |  | 500
Photomask Blank Supplier [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Agreement [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Expenses incurred for goods or services provided by related party during the period |  |  |  |  |  |  |  |  |  |  |  |  | $ 4,500
[1] | Includes $0.6 million gain on sale of assets.

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