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CONSOLIDATED STATEMENTS OF EQUITY Consolidated Statements of Equity [Parenthetical] - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Equity Issuance Costs |  | $ 22.1 | $ 12.0
Common Stock [Member] |  |  |
Equity Issuance Costs |  | 22.1 | 12.0
Accumulated Other Comprehensive Loss [Member] |  |  |
Other comprehensive income, tax | $ (26.2) | (13.8) | $ (1.9)
Noncontrolling Interest [Member] |  |  |
Other comprehensive income, tax | $ (0.4) | $ (0.2) |

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