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Income Taxes (Details 4) (USD $)
In Millions, unless otherwise specified |
12 Months Ended |
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Jan. 31, 2013
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| Income Taxes | |
| Represents the threshold percentage points required for ownership change where there is a cumulative change in ownership by the 5-percent shareholders over the specified rolling period | 50.00% |
| Testing period | 3 years |
| Increase in valuation allowance | $ 11.7 |
| Unrecognized tax benefits | 2.6 |
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Federal
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| Income Taxes | |
| Net operating loss carryforwards | 180.8 |
| Tax credit carryforwards | 2.5 |
| Net operating loss carryforwards recognized through additional paid in capital | 92.0 |
| Net operating losses that expire unused due to the limitation | 1.7 |
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State
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| Income Taxes | |
| Net operating loss carryforwards | 203.8 |
| Tax credit carryforwards | 4.3 |
| Net operating losses that expire unused due to the limitation | $ 2.1 |
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- Details
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- Definition
Represents the threshold percentage points required for ownership change over the specified rolling period. No definition available.
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- Definition
Represents the net operating loss carryforwards if realized, would be recognized as a benefit through additional paid in capital. No definition available.
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- Definition
Represents the unused amount of operating losses that will expire due to Internal Revenue Code limitations. No definition available.
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- Definition
Represents the testing period during which certain ownership changes may occur which would limit the utilization of the domestic net operating loss (NOL) carryforwards and other tax attributes. No definition available.
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- Definition
The sum of domestic, foreign and state and local operating loss carryforwards, before tax effects, available to reduce future taxable income under enacted tax laws. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The gross amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount of the change in the period in the valuation allowance for a specified deferred tax asset. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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