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JOINT VENTURE, TECHNOLOGY LICENSE AND OTHER AGREEMENTS WITH MICRON TECHNOLOGY, INC (Details) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Mar. 31, 2015 | Aug. 02, 2015 | Aug. 03, 2014 | Aug. 02, 2015 | Aug. 03, 2014 | Nov. 02, 2014
Variable Interest Entity [Line Items] |  |  |  |  |  |
Variable interest entity, methodology for determining whether entity is primary beneficiary |  |  |  | This joint venture is a variable interest entity ("VIE") (as that term is defined in the Accounting Standards Codification ("ASC")) because all costs of the joint venture are passed on to the Company and Micron through purchase agreements they have entered into with the joint venture, and it is dependent upon the Company and Micron for any additional cash requirements. On a quarterly basis the Company reassesses whether its interest in MP Mask gives it a controlling financial interest in this VIE. The purpose of this quarterly reassessment is 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 reassessment in the current quarter, the Company determined that Micron is still the primary beneficiary of the VIE, by virtue of its tie-breaking voting rights within MP Mask’s Board of Managers, thereby giving it the power to direct the activities of MP Mask that most significantly impact its economic performance, including its decision making authority in the ordinary course of business and its purchasing the majority of products produced by the VIE. |  |
Cost of sales |  | $ 94,456 | $ 96,202 | $ 283,991 | $ 257,554 |
Research and development expenses |  | 6,253 | 5,199 | 16,743 | 16,111 |
Amount receivable from Micron Technology, Inc. |  | 104,701 |  | 104,701 |  | $ 94,515
MP Mask [Member] |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Cost of sales |  | 1,500 | 1,100 | 4,900 | 3,000 |
Research and development expenses |  | 200 | 200 | 700 | 700 |
Amount owed to MP Mask |  | 4,500 |  | 4,500 |  | 4,200
Income (loss) from variable interest entity |  | 0 | $ 100 | (100) | $ 100 |
Maximum exposure to loss from investment in VIE |  | 93,000 |  | 93,000 |  |
Approximate net book value of equity method investment | $ 93,000 |  |  |  |  | 93,100
Valuation date of net book value of equity method investment | Mar. 05, 2015 |  |  |  |  |
Co-venturer [Member] |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Amount receivable from Micron Technology, Inc. |  | $ 10,100 |  | $ 10,100 |  | $ 6,800
New agreements announcement date | Mar. 24, 2015 |  |  |  |  |
Joint venture end date | May 05, 2016 |  |  |  |  |
License agreement commencement date | May 06, 2016 |  |  |  |  |
License 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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