v2.4.1.9

CONSOLIDATED STATEMENT OF STOCKHOLDERS' INVESTMENT (PARENTHETICALS) (USD $) | 3 Months Ended | 12 Months Ended
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Mar. 31, 2015 | Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2015 | Mar. 31, 2014 | Mar. 31, 2013
Statement of Stockholders' Equity [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash dividends declared per common share | $ 0.32 us-gaap_CommonStockDividendsPerShareDeclared | $ 0.32 us-gaap_CommonStockDividendsPerShareDeclared | $ 0.32 us-gaap_CommonStockDividendsPerShareDeclared | $ 0.32 us-gaap_CommonStockDividendsPerShareDeclared | $ 0.25 us-gaap_CommonStockDividendsPerShareDeclared | $ 0.25 us-gaap_CommonStockDividendsPerShareDeclared | $ 0.25 us-gaap_CommonStockDividendsPerShareDeclared | $ 0.25 us-gaap_CommonStockDividendsPerShareDeclared | $ 0.20 us-gaap_CommonStockDividendsPerShareDeclared | $ 0.2 us-gaap_CommonStockDividendsPerShareDeclared | $ 0.2 us-gaap_CommonStockDividendsPerShareDeclared | $ 0.2 us-gaap_CommonStockDividendsPerShareDeclared | $ 1.28 us-gaap_CommonStockDividendsPerShareDeclared | $ 1 us-gaap_CommonStockDividendsPerShareDeclared | $ 0.8 us-gaap_CommonStockDividendsPerShareDeclared

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- Definition Aggregate dividends declared 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 + Details
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Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration