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Goodwill and Other Intangible Assets (Details 3) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2014
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]  
2015 $ 7.8us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
2016 2.8us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
2017 2.8us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
2018 2.8us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
2019 $ 2.8us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive