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JOINT VENTURE, TECHNOLOGY LICENSE AND OTHER AGREEMENTS WITH MICRON TECHNOLOGY, INC (Details) (USD $) | 1 Months Ended | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
May 31, 2009 | May 31, 2006 | Jul. 29, 2012 | Apr. 29, 2012 | Jul. 31, 2011 | Jul. 29, 2012 | Jul. 31, 2011 | Oct. 30, 2011
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |
Investment in joint venture |  | $ 64,200,000 | $ 93,271,000 |  |  | $ 93,271,000 |  | $ 79,984,000
Ownership percentage in MP Mask (in hundredths) |  | 49.99% |  |  |  |  |  |
Cost of sales |  |  | 1,600,000 |  | 6,500,000 | 5,700,000 | 14,800,000 |
Research and development expenses |  |  | 200,000 |  | 200,000 | 700,000 | 700,000 |
Additional investment in joint venture |  |  | 7,400,000 |  | 500,000 | 13,300,000 | 10,700,000 |
Maximum exposure to loss from investment in VIE |  |  | 93,300,000 |  |  | 93,300,000 |  | 80,000,000
Income from equity-method investee |  |  |  |  | 0 | 0 | 600,000 |
Interest rate percentage (in hundredths) | 8.00% |  |  |  |  |  |  |
Quarterly lease payments | 3,800,000 |  |  |  |  |  |  |
Reduced quarterly lease payments | 2,000,000 |  |  |  |  |  |  |
Capital leased assets reductions | 28,000,000 |  |  |  |  |  |  |
Payment to purchase U.S. nanoFab facility |  |  |  | 35,000,000 |  |  |  |
Amount of debt |  |  |  | 25,000,000 |  |  |  |
Term Loan [Member] |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |
Amount of debt |  |  | 25,000,000 |  |  | 25,000,000 |  |
MP Mask [Member] |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |
Investments in MP Mask and other agreements |  | $ 135,000,000 |  |  |  |  |  |

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