Special Cash Dividend on Common Stock (Details) (USD $)	12 Months Ended
Mar. 31, 2014	Mar. 31, 2013
Supplemental Cash Flow Elements [Abstract]
Dividends payable, amount per share	$ 1.00	$ 5.00
Dividends payable, date declared	Dec. 04, 2013	Nov. 07, 2012
Dividends payable, date of record	Jan. 10, 2014	Nov. 19, 2012
Dividends payable, date to be paid	Feb. 14, 2014	Nov. 30, 2012

Date the declared dividend will be paid, in CCYY-MM-DD format.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586

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- Definition

The per share amount of a dividend declared, but not paid, as of the financial reporting date.

+ References

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- Definition

Date the dividend to be paid was declared, in CCYY-MM-DD format.

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- Definition

Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format.

+ References

No definition available.

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