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Income Taxes Change in Valuation Allowances (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Summary of Valuation Allowances |  |  |  |
Deferred Tax Assets, Valuation Allowance | $ 275.1 | $ 332.2 | $ 467.3 | $ 392.9
(Reversed) charged to costs and expenses | (20.8) | (72.8) | 65.2 |
(Reversed) charged to gross tax assets and other accounts | (36.3) | (62.3) | $ 9.2 |
Operating Loss Carryforwards | 1,127.7 |  |  |
Deferred Tax Liabilities, Undistributed Foreign Earnings | 2,592.4 | $ 2,214.2 |  |
Foreign Tax Authority |  |  |  |
Summary of Valuation Allowances |  |  |  |
Deferred Tax Assets, Operating Loss Carryforwards, Not Subject to Expiration | 984.2 |  |  |
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration | 143.5 |  |  |
State and Local Jurisdiction [Member] |  |  |  |
Summary of Valuation Allowances |  |  |  |
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration | $ 56.7 |  |  |
Minimum | Foreign Tax Authority |  |  |  |
Summary of Valuation Allowances |  |  |  |
Operating Loss Carryforwards, Expiration Date | Jan. 01, 2016 |  |  |
Maximum | Foreign Tax Authority |  |  |  |
Summary of Valuation Allowances |  |  |  |
Operating Loss Carryforwards, Expiration Date | Jan. 01, 2035 |  |  |
Maximum | State and Local Jurisdiction [Member] |  |  |  |
Summary of Valuation Allowances |  |  |  |
Operating Loss Carryforwards, Expiration Date | Jan. 01, 2035 |  |  |

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