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Stockholders' Equity (Table Text Block) | 12 Months Ended
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Mar. 31, 2019
Stockholders' Equity Note [Abstract] |
Common Stock Dividends |
Common Stock Dividends
Declared Date |  | Per Share Amount |  | Record Date |  | Dividend Date
March 6, 2019 | $ | 0.50 |  | March 21, 2019 |  | April 4, 2019
December 5, 2018 |  | 0.50 |  | December 20, 2018 |  | January 7, 2019
August 23, 2018 |  | 0.50 |  | September 10, 2018 |  | September 24, 2018
June 6, 2018 |  | 0.50 |  | June 21, 2018 |  | July 5, 2018
March 8, 2018 |  | 0.50 |  | March 23, 2018 |  | April 6, 2018
December 6, 2017 |  | 0.50 |  | December 21, 2017 |  | January 5, 2018
July 5, 2017 |  | 1.00 |  | July 20, 2017 |  | August 3, 2017

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- Definition Tabular disclosure of changes in the separate accounts comprising stockholders' equity (in addition to retained earnings) and of the changes in the number of shares of equity securities during at least the most recent annual fiscal period and any subsequent interim period presented is required to make the financial statements sufficiently informative if both financial position and results of operations are presented. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 + Details
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- References No definition available. + Details
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