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Income Taxes - Net Operating Loss and Tax Credit Carryforwards (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2014 | Dec. 31, 2015
Valuation Allowance [Abstract] |  |
Valuation allowance | $ 80.7 | $ 182.8
Deferred tax liabilities, separation-related adjustments | $ 10.1 |
Deferred tax assets, valuation allowance, judgment regarding the realizability of the beginning of the year deferred tax asset |  | 32.6
Income Tax Credits [Abstract] |  |
Undistributed earnings of foreign subsidiaries |  | 1,800.0
State and Local Jurisdiction |  |
Net Operating Loss Carryforwards [Abstract] |  |
Operating loss carryforwards, subject to expiration |  | 111.3
Foreign Tax Authority |  |
Net Operating Loss Carryforwards [Abstract] |  |
Operating loss carryforwards |  | 396.7
Operating loss carryforwards, subject to expiration |  | 113.1
Operating Loss Carryforwards, Not Subject to Expiration |  | 283.6
Domestic Tax Authority [Member] |  |
Net Operating Loss Carryforwards [Abstract] |  |
Operating loss carryforwards |  | 74.3
Operating Loss Carryforwards, Subject to Expiration in 5-10 years |  | 12.1
Operating Loss Carryforwards, Subject to Expiration in 10-20 years |  | 62.2
Research Tax Credit Carryforward |  |
Income Tax Credits [Abstract] |  |
Tax credit carryforward amount |  | 9.8
Foreign Tax Credit Carryforward |  |
Income Tax Credits [Abstract] |  |
Tax credit carryforward amount |  | 3.8
State Tax Credit Carryforward |  |
Income Tax Credits [Abstract] |  |
Tax credit carryforward amount |  | $ 10.3

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