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Income Taxes - Tax Loss and Credit Carryforwards Available to Offset Future Income Tax Liabilities (Detail) $ in Thousands | 12 Months Ended
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Oct. 31, 2015 USD ($)
Federal |
Net Operating Loss and Tax Credit Carryforward [Line Items] |
Net operating loss carryforward | $ 108,533
Credit carryforward | $ 120,243
Federal | Minimum |
Net Operating Loss and Tax Credit Carryforward [Line Items] |
Net operating loss carryforward, expiration date | 2016
Credit carryforward, expiration date | 2019
Federal | Maximum |
Net Operating Loss and Tax Credit Carryforward [Line Items] |
Net operating loss carryforward, expiration date | 2034
Credit carryforward, expiration date | 2035
Foreign Tax Credit Used in Domestic Country |
Net Operating Loss and Tax Credit Carryforward [Line Items] |
Credit carryforward | $ 4,586
Foreign Tax Credit Used in Domestic Country | Minimum |
Net Operating Loss and Tax Credit Carryforward [Line Items] |
Credit carryforward, expiration date | 2017
Foreign Tax Credit Used in Domestic Country | Maximum |
Net Operating Loss and Tax Credit Carryforward [Line Items] |
Credit carryforward, expiration date | 2023
International Foreign |
Net Operating Loss and Tax Credit Carryforward [Line Items] |
Credit carryforward | $ 10,104
Credit carryforward, expiration date | Indefinite
California Research |
Net Operating Loss and Tax Credit Carryforward [Line Items] |
Credit carryforward | $ 135,858
Credit carryforward, expiration date | Indefinite
Other State Research |
Net Operating Loss and Tax Credit Carryforward [Line Items] |
Credit carryforward | $ 5,395
Other State Research | Minimum |
Net Operating Loss and Tax Credit Carryforward [Line Items] |
Credit carryforward, expiration date | 2016
Other State Research | Maximum |
Net Operating Loss and Tax Credit Carryforward [Line Items] |
Credit carryforward, expiration date | 2030
State Net |
Net Operating Loss and Tax Credit Carryforward [Line Items] |
Net operating loss carryforward | $ 217,914
State Net | Minimum |
Net Operating Loss and Tax Credit Carryforward [Line Items] |
Net operating loss carryforward, expiration date | 2016
State Net | Maximum |
Net Operating Loss and Tax Credit Carryforward [Line Items] |
Net operating loss carryforward, expiration date | 2035

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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319 + Details
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