Annual report pursuant to Section 13 and 15(d)

Leases (Details)

v2.4.1.9
Leases (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Leases [Abstract]      
Longest running lease period obligations extends through 2032    
Operating Leases, Rent Expense, Net [Abstract]      
Basic expense $ 27.8us-gaap_OperatingLeasesRentExpenseMinimumRentals $ 30.5us-gaap_OperatingLeasesRentExpenseMinimumRentals $ 23.6us-gaap_OperatingLeasesRentExpenseMinimumRentals
Contingent expense 1.9us-gaap_OperatingLeasesRentExpenseContingentRentals 2.1us-gaap_OperatingLeasesRentExpenseContingentRentals 2.3us-gaap_OperatingLeasesRentExpenseContingentRentals
Sublease income (0.2)us-gaap_OperatingLeasesRentExpenseSubleaseRentals1 (0.3)us-gaap_OperatingLeasesRentExpenseSubleaseRentals1 (0.7)us-gaap_OperatingLeasesRentExpenseSubleaseRentals1
Rent expense, net 29.5us-gaap_OperatingLeasesRentExpenseNet 32.3us-gaap_OperatingLeasesRentExpenseNet 25.2us-gaap_OperatingLeasesRentExpenseNet
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]      
2015 28.5us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent    
2016 24.6us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears    
2017 20.9us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears    
2018 13.4us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears    
2019 7.9us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears    
Thereafter 14.4us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter    
Total (not reduced by minimum sublease income of $0.4) 109.7us-gaap_OperatingLeasesFutureMinimumPaymentsDue    
Minimum future sublease income 0.4us-gaap_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals    
Assets [Abstract]      
Building and improvements 8.0us-gaap_CapitalLeasedAssetsGross 9.2us-gaap_CapitalLeasedAssetsGross  
Accumulated depreciation (1.9)us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation (1.3)us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation  
Total assets 6.1us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNet 7.9us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNet  
Liabilities [Abstract]      
Short-term debt 0.4us-gaap_CapitalLeaseObligationsCurrent 0.6us-gaap_CapitalLeaseObligationsCurrent  
Debt 4.1us-gaap_CapitalLeaseObligationsNoncurrent 5.1us-gaap_CapitalLeaseObligationsNoncurrent  
Total liabilities 4.5us-gaap_CapitalLeaseObligations 5.7us-gaap_CapitalLeaseObligations  
Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]      
2015 0.8us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent    
2016 0.8us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears    
2017 0.8us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears    
2018 0.9us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears    
2019 0.9us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears    
Thereafter 2.3us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter    
Total $ 6.5us-gaap_CapitalLeasesFutureMinimumPaymentsDue