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Income Taxes (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Operating Loss Carryforwards [Line Items] |  |  |
Deferred tax benefits from change in permanent status of foreign subsidiaries | $ 17.1 | $ 30.3 | $ 7.2
Deferred tax benefits from change in permanent status of foreign subsidiaries, resulting from current period |  | 24.5 | 5.9
Deferred tax benefits from reinvestment of foreign earnings | 5.0 |  |
Uncertain tax positions, increase based on prior years’ tax positions | 1.6 | 10.8 | 0.0
Temporary difference due to repatriation of assets from a sale or liquidation of the subsidiary | 188.1 |  |
Amount of deferred taxes not recognized | $ 71.1 |  |
State net operating loss carryforwards, expiration period | 19 years |  |
Foreign operating loss carryforwards, expiration period | 20 years |  |
Liability for uncertain tax positions including interest and related charges | $ 26.9 | 28.8 | 20.4
Accrued income tax interest and related charges | 1.8 | 1.6 | 1.7
Unrecognized tax benefits that, if recognized, would affect effective tax rate | 25.3 | 26.4 | 17.2
Decrease in uncertain tax positions from changes in foreign exchange rates | 1.9 |  |
Foreign Tax Authority |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Deferred tax benefit due to re-valuation of deferred taxes from a change in enacted tax rates in the United Kingdom | 10.0 |  | 11.2
Foreign Tax Authority | Non-Controlling Interests |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Deferred tax benefit due to re-valuation of deferred taxes from a change in enacted tax rates in the United Kingdom | $ 6.5 |  | $ 7.6
State Tax Authority |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Uncertain tax positions, increase based on prior years’ tax positions |  | $ 8.4 |

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