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Employee Benefit Plans (Tables) | 12 Months Ended
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Mar. 31, 2013
Compensation and Retirement Disclosure [Abstract] |
Schedule of assumptions used to determine projected benefit obligation, accumulated benefit obligation, and annual expense for SERP | The significant assumptions used to determine the projected benefit obligation, accumulated benefit obligation, and the annual expense for the SERP as of the March 31 st measurement date are presented below:
| Year ended March 31,
| 2012 | 2011
Discount rate | 4.22% | 5.30%
Rate of annual compensation increases | 3.00% | 3.00%

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- Definition Tabular disclosure of the assumptions used to determine for pension plans and/or other employee benefit plans the benefit obligation and net benefit cost, including assumed discount rates, rate increase in compensation increase, and expected long-term rates of return on plan assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 + Details
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