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Stock-Based Compensation (Tables) | 3 Months Ended
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Jun. 30, 2014
Stock-Based Compensation [Abstract] |
Fair market value of stock-based compensation awards | The fair market value of stock-based compensation awards granted during the three months ended June 30, 2014 and 2013 were as follows:
|  | Three months ended June 30, |
|  | 2014 |  |  | 2013 |
|  |  |  |  | Fair Value |  |  |  |  |  | Fair Value |
|  | Shares |  |  | Per Award |  |  | Shares |  |  | Per Award |
Stock options |  |  | 0.1 |  |  | $ | 10.21 |  |  |  | 0.2 |  |  | $ | 7.76 |
Restricted stock - retention |  |  | 0.2 |  |  | $ | 14.94 |  |  |  | 0.3 |  |  | $ | 10.40 |
Restricted stock - performance based |  |  | 0.2 |  |  | $ | 14.94 |  |  |  | 0.2 |  |  | $ | 10.40 |
Assumptions used in determining fair value of options | The following assumptions were used in determining the fair value for stock options:
|  | Three months ended June 30, |
|  | 2014 |  |  | 2013 |
Expected life of awards in years |  |  | 6.3 |  |  |  | 6.3 |
Risk-free interest rate |  |  | 2.1 | % |  |  | 1.3 | %
Expected volatility of the Company's stock |  |  | 76.1 | % |  |  | 88.7 | %
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 June 30, 2014, unrecognized compensation cost related to non-vested stock-based compensation awards, which will be amortized over the remaining service periods, was as follows:
|  | Unrecognized Compensation Cost |  |  | Weighted Average Remaining Service Period in Years |
Stock options |  | $ | 2.4 |  |  |  | 3.3 |
Restricted stock - retention |  |  | 6.4 |  |  |  | 3.1 |
Restricted stock - performance based |  |  | 3.9 |  |  |  | 2.4 |
Total |  | $ | 12.7 |  |  |  | 2.9 |

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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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- Definition Tabular disclosure of the weighted-average grant-date fair value of equity options or other equity instruments granted during the year. + 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 (d)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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