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Income Taxes (Scheduled Expiration Dates Of The Company's Net Operating Loss And Tax Credit Carryforwards) (Detail) (USD $) In Thousands, unless otherwise specified | Apr. 30, 2012
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Operating Loss Carryforwards [Line Items] |
Foreign net operating loss carryforwards | $ 93,017
State taxing jurisdiction net operating loss carryforwards | 11,507
Foreign tax credit | 3,333
Federal capital loss carryforwards | 5,776
2012 Through 2016 [Member] |
Operating Loss Carryforwards [Line Items] |
Foreign net operating loss carryforwards | 6,148
State taxing jurisdiction net operating loss carryforwards | 63
Federal capital loss carryforwards | 5,776
2017 Through 2026 [Member] |
Operating Loss Carryforwards [Line Items] |
Foreign net operating loss carryforwards | 30,440
State taxing jurisdiction net operating loss carryforwards | 11,444
Foreign tax credit | 3,333
Indefinite [Member] |
Operating Loss Carryforwards [Line Items] |
Foreign net operating loss carryforwards | $ 56,429

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- Definition Operating Loss Carryforwards From Foreign Operations. + References No definition available. + Details
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- Definition The cumulative amount of future tax effects arising from the unused tax credit carryforward that cannot be utilized on the tax return during a year that may be carried forward to reduce taxable income or taxes payable in a future year; a tax credit carryforward is the amount by which tax credits available for utilization exceed statutory limitations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 30 -Paragraph 5 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6907311&loc=d3e30536-109315 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 43 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 48 -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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 17 -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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