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Income Taxes Unrecognized Tax Benefits (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Income Tax Disclosure [Abstract]    
Undistributed Earnings of Foreign Subsidiaries $ 1.1us-gaap_UndistributedEarningsOfForeignSubsidiaries $ 1.1us-gaap_UndistributedEarningsOfForeignSubsidiaries
Tax Liabilities, Undistributed Foreign Earnings $ 0.2us-gaap_DeferredTaxLiabilitiesUndistributedForeignEarnings $ 0.2us-gaap_DeferredTaxLiabilitiesUndistributedForeignEarnings