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JOINT VENTURE, TECHNOLOGY LICENSE AND OTHER AGREEMENTS WITH MICRON TECHNOLOGY, INC. (Details) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
May 31, 2016 | Oct. 29, 2017 | Oct. 30, 2016 | Nov. 01, 2015
Variable Interest Entity [Line Items] |  |  |  |
Variable interest entity, methodology for determining whether entity is primary beneficiary |  | This joint venture was a variable interest entity ("VIE") (as that term is defined in the ASC) because all costs of the joint venture were passed on to the Company and Micron through purchase agreements they had entered into with the joint venture, and it was dependent upon the Company and Micron for any additional cash requirements. On a quarterly basis the Company reassessed whether its interest in MP Mask gave it a controlling financial interest in this VIE. The purpose of this quarterly reassessment was to identify the primary beneficiary (which is defined in the ASC as the entity that consolidates a VIE) of the VIE. As a result of the reassessments in fiscal year 2016, the Company determined that Micron remained the primary beneficiary of the VIE, by virtue of its tie-breaking voting rights within MP Mask’s Board of Managers, thereby having given it the power to direct the activities of MP Mask that most significantly impacted its economic performance, including its decision making authority in the ordinary course of business and its purchase of the majority of products produced by the VIE. |  |
Amortization of supply agreement |  | $ 4,900 | $ 4,800 | $ 6,000
Cost of goods sold |  | 359,363 | 364,750 | 381,070
Research and development expenses |  | $ 15,862 | 21,654 | 21,920
Summarized financial information of MP Mask [Abstract] |  |  |  |
Revenue |  |  | 49,626 | 96,068
Gross profit |  |  | 2,736 | 1,215
Net loss |  |  | 0 | (151)
MP Mask [Member] |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Additional investment in joint venture |  |  | 0 |
Distributions from joint venture |  |  | 0 |
Income (loss) from equity-method investee |  |  | (100) | (100)
Commission revenue earned under supply agreement |  |  | 400 | 800
Amortization of supply agreement |  |  | 100 | 200
Cost of goods sold |  |  | 5,700 | 4,800
Research and development expenses |  |  | $ 500 | $ 3,100
Proceeds from sale of equity method investment | $ 93,100 |  |  |
Gain on sale of equity method investment | $ 100 |  |  |
Co-venturer [Member] |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Supply agreement term subject to mutually agreeable renewals | 1 year |  |  |

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- Definition The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 730 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756 + Details
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