Income Taxes (Textuals) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2012
Income Taxes [Line Items]
Accrued liabilities for interest and penalties	$ 0.5	$ 0.6
Total gross unrecognized tax benefits	7.1us-gaap_UnrecognizedTaxBenefits	6.9us-gaap_UnrecognizedTaxBenefits	6.8us-gaap_UnrecognizedTaxBenefits
Unrecognized tax benefits that would Impact effective tax rate		6.8
Estimated reduction in the liability for unrecognized tax benefits		0.3
Undistributed earnings of foreign subsidiaries		$ 653.0
Reduction in effective tax rate for 2012 had the Act been signed prior to January 2013	1.00%

Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the income tax rates.

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The amount of the unrecognized tax benefit of a position taken for which it is reasonably possible that the total amount thereof will significantly increase or decrease within twelve months of the balance sheet date.

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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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Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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