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Net Pension Benefit Costs (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
United States Pension Plans of US Entity, Defined Benefit [Member]        
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]        
Service cost $ 0.0 $ 0.0 $ 0.0 $ 0.0
Interest cost 1.2 1.3 3.8 4.1
Expected return on plan assets (1.8) (1.8) (5.3) (5.5)
Amortization and other 1.1 1.0 3.9 3.2
Net periodic benefit cost 0.5 0.5 2.4 1.8
Pension and other postretirement benefit plans, amounts that will be amortized from accumulated other comprehensive income (loss) in next fiscal year     4.9  
Foreign Pension Plans, Defined Benefit [Member]        
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]        
Service cost 0.3 0.3 0.9 1.0
Interest cost 0.1 0.2 0.3 0.7
Expected return on plan assets (0.1) (0.1) (0.2) (0.3)
Amortization and other 0.3 0.3 0.9 0.8
Net periodic benefit cost 0.6 0.7 1.9 2.2
Pension and other postretirement benefit plans, amounts that will be amortized from accumulated other comprehensive income (loss) in next fiscal year     1.1  
United States Postretirement Benefit Plans of US Entity, Defined Benefit [Member]        
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]        
Service cost 0.0 0.0 0.0 0.0
Interest cost 0.0 0.0 0.0 0.1
Expected return on plan assets 0.0 0.0 0.0 0.0
Amortization and other 0.1 (0.1) (0.1) (0.5)
Net periodic benefit cost $ 0.1 $ (0.1) $ (0.1) $ (0.4)