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Acquisitions (Details) (USD $) | 3 Months Ended |  |
--- | --- | --- | ---
Jan. 31, 2013 | Jan. 31, 2012 | Dec. 20, 2012 | Oct. 31, 2012
Business Acquisition [Line Items] |  |  |  |  |
Cash and cash equivalents |  |  | $ 357,000 |  |
Accounts receivable |  |  | 1,133,000 |  |
Other current assets |  |  | 23,000 |  |
Property, plant and equipment |  |  | 480,000 |  |
Goodwill |  |  | 4,245,000 |  |
In-process research and development |  |  | 9,592,000 |  |
Other assets |  |  | 101,000 |  |
Accounts payable |  |  | (302,000) |  |
Other current liabilities |  |  | (1,682,000) |  |
Deferred tax liabilities |  |  | (3,357,000) | [1] |
Other long-term liabilities |  |  | (155,000) |  |
Total identifiable net assets |  |  | 10,435,000 |  |
Business Acquisition, Cost of Acquired Entity, Transaction Costs |  |  | 100,000 |  |
Investments in and Advances to Affiliates, Amount of Equity | 0 |  |  |  | 6,115,000
Equity Method Investment, Ownership Percentage |  |  | 39.00% |  |
Common Stock, Shares, Issued | 189,496,028 |  |  |  | 185,856,123
Noncontrolling Interest, Ownership Percentage by Controlling Owners |  |  | 61.00% |  |
Stock Issued During Period, Value, Acquisitions | $ 3,562,000 | $ 0 |  |  |
Versa Acquisition [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Common Stock, Shares, Issued |  |  | 3,500,000 |  |
[1] | Classified in Long-term debt and other liabilities.

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- Definition Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 51 -Subparagraph d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 24 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The total purchase price of the acquired entity. This includes cash paid to equity interest holders of the acquired entity, fair value of debt and equity securities issued to equity holders of the acquired entity, and transaction costs paid to third parties to consummate the acquisition. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 51 -Subparagraph d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 35 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The amount of acquisition cost of a business combination allocated to property, plant and equipment to be used in ongoing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 51 -Subparagraph e -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 37 -Subparagraph d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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