Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Income Taxes [Line Items]
Income before income taxes	$ (6.1)	$ 66.0	$ 14.8	$ 53.6
Provision for income taxes	(3.9)	$ 36.1	(3.4)	$ 28.0
US domestic taxes would be incurred if repatriated to the United States	1.0		1.0
Ireland and Jersey [Member]
Income Taxes [Line Items]
Undistributed earnings of foreign subsidiaries	$ 4.6		$ 4.6
U.S. Federal [Member]
Income Taxes [Line Items]
Federal statutory rate			35.00%

[Line Items] for Income Taxes [Table]

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Amount of deferred tax liability not recognized because of the exceptions to comprehensive recognition of deferred taxes related to undistributed earnings of foreign subsidiaries.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile.

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