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Income Taxes - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2016 | Mar. 31, 2015 | Dec. 31, 2015
Operating Loss Carryforwards [Line Items] |  |  |
Effective income tax rate | 33.20% | 62.40% |
Federal statutory tax rate | 35.00% |  |
Tax credit carryforwards |  |  | $ 19.5
Liability for uncertain tax positions from continuing operations | $ 0.3 |  | 0.3
Liability for uncertain tax positions from discontinued operations | 1.1 |  | 1.1
Liability for uncertain tax positions | $ 1.4 |  | 1.4
Foreign Income Tax Credit | Foreign Tax Authority |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Tax credit carryforwards |  |  | $ 9.2
Tax credit carryforward expiration period | 10 years |  |
Tax credit carryforward expiration year | 2020 |  |

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