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Stock-Based Compensation (Tables) | 6 Months Ended
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Sep. 30, 2013
Stock-Based Compensation [Abstract] |
Fair market value of stock-based compensation awards | The fair market value of stock-based compensation awards granted during the six months ended September 30, 2013 and 2012 were as follows:
|  | Six months ended September 30, |
|  | 2013 |  |  | 2012 |
|  |  |  |  | Fair Value |  |  |  |  |  | Fair Value |
|  | Shares |  |  | Per Award |  |  | Shares |  |  | Per Award |
Stock options |  |  | 0.2 |  |  | $ | 7.76 |  |  |  | 0.2 |  |  | $ | 4.26 |
Restricted stock - retention |  |  | 0.3 |  |  | $ | 10.40 |  |  |  | 0.4 |  |  | $ | 5.80 |
Restricted stock - performance based |  |  | 0.2 |  |  | $ | 10.40 |  |  |  | 0.4 |  |  | $ | 5.75 |
Assumptions used in determining fair value of options | The following assumptions were used in determining fair value for stock options:
|  | Six months ended September 30, |
|  | 2013 |  |  | 2012 |
Expected life of awards in years |  |  | 6.3 |  |  |  | 6.3 |
Risk-free interest rate |  |  | 1.3 | % |  |  | 0.9 | %
Expected volatility of the Company's stock |  |  | 88.7 | % |  |  | 87.4 | %
Expected dividend yield on the Company's stock |  |  | 0.0 | % |  |  | 0.0 | %
Unrecognized compensation cost related to non-vested stock-based compensation awards | As of September 30, 2013, the total remaining unrecognized compensation cost related to non-vested stock-based compensation awards, which will be amortized over the weighted average remaining service periods, were as follows:
|  | Unrecognized Compensation Cost |  |  | Weighted Average Remaining Service Period in Years |
Stock options |  | $ | 1.8 |  |  |  | 2.8 |
Restricted stock - retention |  |  | 4.8 |  |  |  | 3.1 |
Restricted stock - performance based |  |  | 2.5 |  |  |  | 2.3 |
Total |  | $ | 9.1 |  |  |  | 2.8 |

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- Definition Tabular disclosure of type and fair market value of stock based compensation awards granted during period. + References No definition available. + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the total compensation cost related to nonvested awards not yet recognized and the weighted-average period over which it is expected to be recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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