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Summary of Significant Accounting Policies (Details) (USD $)	0 Months Ended			1 Months Ended	0 Months Ended			1 Months Ended			12 Months Ended
	Aug. 13, 2013	May 07, 2013	May 02, 2012	Feb. 19, 2013	Dec. 11, 2012	Nov. 09, 2012	Aug. 08, 2012	Jan. 31, 2012	Oct. 27, 2011	Aug. 30, 2011	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Accounting Policies [Abstract]
Amount of Dividend	$ 0.12	$ 0.12	$ 0.10	$ 0.12	$ 2.00	$ 0.12	$ 0.12	$ 0.10	$ 0.10	$ 0.10	$ 0.24	$ 2.46	$ 0.30
Date Declared	Aug. 13, 2013	May 07, 2013	May 02, 2012	Feb. 19, 2013	Dec. 11, 2012	Nov. 09, 2012	Aug. 08, 2012	Jan. 31, 2012	Oct. 27, 2011	Aug. 30, 2011
Record Date	Sep. 20, 2013	Jun. 21, 2013	May 30, 2012	Mar. 22, 2013	Dec. 21, 2012	Nov. 30, 2012	Aug. 30, 2012	Mar. 13, 2012	Dec. 13, 2011	Sep. 13, 2011
Date Paid	Sep. 27, 2013	Jun. 28, 2013	Jun. 06, 2012	Mar. 29, 2013	Dec. 28, 2012	Dec. 06, 2012	Sep. 06, 2012	Mar. 20, 2012	Dec. 20, 2011	Sep. 20, 2011

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- Definition

Aggregate dividends paid during the period for each share of common stock outstanding.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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

+ References

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

+ References

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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