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Income Taxes Change in Valuation Allowances (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Summary of Valuation Allowances |  |  |  |
Beginning balance |  | $ 243.0 | $ 255.6 | $ 275.1
Reversed to costs and expenses |  | (28.0) | (4.6) | (15.4)
Charged (reversed) to gross tax assets and other accounts 1 | [1] | 5.1 | (27.3) | 9.5
Foreign currency translation |  | (9.1) | 19.3 | (13.6)
Ending balance |  | 211.0 | $ 243.0 | $ 255.6
Deferred Tax Assets, Operating Loss Carryforwards, Components [Abstract] |  |  |  |
Operating Loss Carryforwards |  | 1,149.4 |  |
Undistributed Earnings of Foreign Subsidiaries |  | 1,079.1 |  |
Foreign Tax Authority |  |  |  |
Deferred Tax Assets, Operating Loss Carryforwards, Components [Abstract] |  |  |  |
Deferred Tax Assets, Operating Loss Carryforwards, Not Subject to Expiration |  | 994.1 |  |
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration |  | 155.3 |  |
State and Local Jurisdiction |  |  |  |
Deferred Tax Assets, Operating Loss Carryforwards, Components [Abstract] |  |  |  |
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration |  | $ 26.8 |  |
Minimum | Foreign Tax Authority |  |  |  |
Deferred Tax Assets, Operating Loss Carryforwards, Components [Abstract] |  |  |  |
Operating Loss Carryforwards, Expiration Date |  | Jan. 01, 2019 |  |
Minimum | State and Local Jurisdiction |  |  |  |
Deferred Tax Assets, Operating Loss Carryforwards, Components [Abstract] |  |  |  |
Operating Loss Carryforwards, Expiration Date |  | Jan. 01, 2019 |  |
Maximum | Foreign Tax Authority |  |  |  |
Deferred Tax Assets, Operating Loss Carryforwards, Components [Abstract] |  |  |  |
Operating Loss Carryforwards, Expiration Date |  | Jan. 01, 2038 |  |
Maximum | State and Local Jurisdiction |  |  |  |
Deferred Tax Assets, Operating Loss Carryforwards, Components [Abstract] |  |  |  |
Operating Loss Carryforwards, Expiration Date |  | Jan. 01, 2038 |  |
[1] | Primarily represents changes to the valuation allowance related to the change of a corresponding deferred tax asset.

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- Definition The amount of the change in the period in the valuation allowance charged (reversed) to gross tax assets and other accounts for a specified deferred tax asset. + References No definition available. + Details
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