v2.4.0.8

Dividends (Details) (USD $) In Millions, except Per Share data, unless otherwise specified | 0 Months Ended | 3 Months Ended | 6 Months Ended | 0 Months Ended
--- | --- | --- | --- | ---
Sep. 04, 2014 | Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013 | Oct. 30, 2014 Subsequent Event [Member]
Dividends [Abstract] |  |  |  |  |  |
Dividend per share paid during period | $ 0.356 |  |  | $ 0.7115 |  |
Cash Dividend | $ 71.4 |  |  | $ 142.6 |  | $ 71.7
Subsequent Event [Line Items] |  |  |  |  |  |
Dividends declared per common share |  | $ 0.3560 | $ 0.3540 | $ 0.7115 | $ 0.7075 | $ 0.3565
Total amount of expected dividend payment | $ 71.4 |  |  | $ 142.6 |  | $ 71.7

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