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Employee Benefit Plan (Details Textual) (Retirement Savings Plan [Member], USD $)
In Millions, unless otherwise specified |
12 Months Ended | ||
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Jan. 31, 2013
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Jan. 31, 2012
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Jan. 31, 2011
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Retirement Savings Plan [Member]
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| Defined Contribution Plan, Maximum Annual Contribution Per Employee, Percent | 90.00% | ||
| Defined Contribution Plan, Employer Matching Contribution, Percent | 50.00% | ||
| Defined Contribution Plan, Percentage Of Compensation | 6.00% | ||
| Defined Contribution Plan, Cost Recognized | $ 1.7 | $ 1.1 | $ 1.3 |
| X | ||||||||||
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- Definition
Represents the percentage of compensation. No definition available.
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- Definition
The amount of the cost recognized during the period for defined contribution plans. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. No definition available.
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- Definition
Maximum percentage of employee gross pay, by the terms of the plan, that the employer may contribute to a defined contribution plan. No definition available.
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