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Income Taxes Change in Valuation Allowances (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Summary of Valuation Allowances |  |  |  |
Beginning balance |  | $ 275.1 | $ 332.2 | $ 467.3
Reversed to costs and expenses |  | (15.4) | (20.8) | (72.8)
Charged (reversed) to gross tax assets and other accounts 1 | [1] | 9.5 | (9.2) | (26.4)
Foreign currency translation |  | (13.6) | (27.1) | (35.9)
Ending balance |  | 255.6 | 275.1 | $ 332.2
Deferred Tax Assets, Operating Loss Carryforwards, Components [Abstract] |  |  |  |
Operating Loss Carryforwards |  | 1,012.3 |  |
Deferred Tax Liabilities, Undistributed Foreign Earnings |  | 2,622.4 | $ 2,592.4 |
Foreign Tax Authority |  |  |  |
Deferred Tax Assets, Operating Loss Carryforwards, Components [Abstract] |  |  |  |
Deferred Tax Assets, Operating Loss Carryforwards, Not Subject to Expiration |  | 889.1 |  |
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration |  | 123.2 |  |
State and Local Jurisdiction [Member] |  |  |  |
Deferred Tax Assets, Operating Loss Carryforwards, Components [Abstract] |  |  |  |
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration |  | $ 55.6 |  |
Minimum | Foreign Tax Authority |  |  |  |
Deferred Tax Assets, Operating Loss Carryforwards, Components [Abstract] |  |  |  |
Operating Loss Carryforwards, Expiration Date |  | Jan. 01, 2017 |  |
Minimum | State and Local Jurisdiction [Member] |  |  |  |
Deferred Tax Assets, Operating Loss Carryforwards, Components [Abstract] |  |  |  |
Operating Loss Carryforwards, Expiration Date |  | Jan. 01, 2017 |  |
Maximum | Foreign Tax Authority |  |  |  |
Deferred Tax Assets, Operating Loss Carryforwards, Components [Abstract] |  |  |  |
Operating Loss Carryforwards, Expiration Date |  | Dec. 31, 2036 |  |
Maximum | State and Local Jurisdiction [Member] |  |  |  |
Deferred Tax Assets, Operating Loss Carryforwards, Components [Abstract] |  |  |  |
Operating Loss Carryforwards, Expiration Date |  | Dec. 31, 2036 |  |
[1] | Primarily represents changes to the valuation allowance related to the change of a corresponding deferred tax asset.

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