XML 1160 R92.htm IDEA: XBRL DOCUMENT v2.4.1.9
Intangible Assets (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2014
Goodwill And Intangible Assets Disclosure [Abstract]  
Gross carrying amount of other intangible assets $ 70.3us-gaap_OtherFiniteLivedIntangibleAssetsGross
Intangible assets accumulated amortization 40.8us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Estimated aggregate amortization expense, Year 2015 5.2fhn_FiniteLivedIntangibleAssetsIncludingFinancialAssetsAmortizationExpenseNextTwelveMonths
Estimated aggregate amortization expense, Year 2016 5.0fhn_FiniteLivedIntangibleAssetsIncludingFinancingAssetsAmortizationExpenseYearTwo
Estimated aggregate amortization expense, Year 2017 4.7fhn_FiniteLivedIntangibleAssetsIncludingFinancialAssetsAmortizationExpenseYearThree
Estimated aggregate amortization expense, Year 2018 4.5fhn_FiniteLivedIntangibleAssetsIncludingFinancialAssetsAmortizationExpenseYearFour
Estimated aggregate amortization expense, Year 2019 $ 4.2fhn_FiniteLivedIntangibleAssetsIncludingFinancingAssetsAmortizationExpenseYearFive