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INCOME TAXES (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
--- | ---
Oct. 31, 2019 | Oct. 31, 2018 | Oct. 29, 2017
Components of income before income tax provision [Abstract] |  |  |
United States | $ (8,379) | $ (9,859) | $ (11,544)
Foreign | 59,080 | 78,430 | 38,109
Income before income tax provision | 50,701 | 68,571 | 26,565
Current [Abstract] |  |  |
Federal | (3,916) | (30) | 173
State | 11 | 0 | (4)
Foreign | 17,777 | 11,584 | 3,474
Deferred [Abstract] |  |  |
Federal | 3,673 | (3,673) | 0
State | 10 | (24) | 15
Foreign | (7,345) | (522) | 1,618
Income Tax Expense, Total | 10,210 | 7,335 | 5,276
Income tax provision reconciliation [Abstract] |  |  |
U.S. federal income tax at statutory rate | 10,647 | 16,059 | 9,298
Changes in valuation allowances | 2,673 | 4,554 | (3,632)
Foreign tax rate differentials | 218 | (2,078) | (5,230)
Tax credits | (1,268) | (1,530) | (1,925)
Uncertain tax positions, including reserves, settlements and resolutions | 134 | (1,791) | (932)
Employee stock option | 232 | (1,433) | 512
Income tax holiday | (2,234) | (2,648) | (743)
Tax reform | 0 | (3,736) | 0
Distributions from foreign subsidiaries | 0 | 0 | 6,471
Tax on foreign subsidiary earnings | 0 | 0 | 1,712
Other, net | (192) | (62) | (255)
Income Tax Expense, Total | $ 10,210 | $ 7,335 | $ 5,276
Effective tax rate | 20.10% | 10.70% | 19.80%
U.S. statutory rate | 21.00% | 23.42% | 35.00%
Income Tax Holiday [Abstract] |  |  |
Term of tax year holidays | 5 years |  |
Dollar effect of income tax holiday | $ 2,200 | $ 2,600 | $ 700
Per share effect of income tax holiday (in dollars per share) | $ 0.02 | $ 0.035 |
Deferred income tax assets [Abstract] |  |  |
Net operating losses | $ 32,229 | $ 30,805 |
Reserves not currently deductible | 5,013 | 4,703 |
Tax credit carryforwards | 9,164 | 9,159 |
Share-based compensation | 860 | 767 |
Alternative minimum tax credits | 0 | 3,673 |
Other | 434 | 1,210 |
Deferred tax assets | 47,700 | 50,317 |
Valuation allowances | (27,032) | (24,383) |
Deferred tax assets net of valuation allowance | 20,668 | 25,934 |
Deferred income tax liabilities [Abstract] |  |  |
Property, plant and equipment | (251) | (8,020) |
Other | 0 | (448) |
Deferred income taxes liabilities | (251) | (8,468) |
Net deferred income tax assets | 20,417 | 17,466 |
Reported as [Abstract] |  |  |
Deferred income tax assets | 20,779 | 18,109 |
Deferred income tax liabilities | (362) | (643) |
Net deferred income tax assets | $ 20,417 | 17,466 |
Taiwan Agency of the Ministry of Finance [Member] |  |  |
Foreign Tax [Abstract] |  |  |
Foreign statutory rate | 20.00% |  | 17.00%
Foreign income tax expense (benefit) |  | $ (200) |
Federal Alternate Minimum [Member] |  |  |
Foreign Tax [Abstract] |  |  |
Change in valuation allowance | $ 3,900 |  |
Foreign [Member] | Minimum [Member] |  |  |
Income Tax Holiday [Abstract] |  |  |
Income tax holiday termination date | October 31, 2017 |  |
Foreign [Member] | Maximum [Member] |  |  |
Income Tax Holiday [Abstract] |  |  |
Income tax holiday termination date | December 31, 2019 |  |

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