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Equity - Dividends (Details) - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Oct. 31, 2016 | Sep. 30, 2016 | Sep. 30, 2015 | Jun. 30, 2015
Shareholders’ Equity |  |  |  |  |  |  |
Quarterly dividend approved by Board prior to payment, per share (in dollars per share) |  |  |  | $ 0.16 | $ 0.14 | $ 0.14 | $ 0.125
Dividends declared per common share (in dollars per share) | $ 0.58 | $ 0.53 | $ 0.45 |  |  |  |
Dividends declared | $ 178.8 | $ 163.7 | $ 140.6 |  |  |  |
Dividends paid | $ 172.7 | $ 159.3 | $ 101.9 |  |  |  |

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