Annual report pursuant to Section 13 and 15(d)

Retirement Benefits (Details 2)

v2.4.0.8
Retirement Benefits (Details 2) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2012
Cash Flows      
Cash contribution to defined benefit retirement plans $ 20.1 $ 20.8 $ 4.0
Defined Contribution Plans      
Expenses related to defined contribution plans 8.7 8.2 8.0
Minimum [Member]
     
Defined Contribution Plans      
Contribution vesting period 0 years    
Maximum [Member]
     
Defined Contribution Plans      
Employer's contribution to defined contribution plans (as a percent) 4.00%    
Employer's matching contribution to defined contribution plans (as a percent) 6.00%    
Contribution vesting period 5 years    
Pension Plans Defined Benefit [Member]
     
Cash Flows      
Cash contribution to defined benefit retirement plans 19.9 20.1 3.1
Pension Plans Defined Benefit [Member] | Minimum [Member]
     
Cash Flows      
Estimated cash contribution to defined benefit retirement plans 16.0    
United States Pension Plans Of U S Entity Defined Benefit [Member]
     
Fair Value Measurements      
Fair value of plan assets 249.7 228.1 197.2
Estimated Future Benefit Payments      
2015 15.1    
2016 16.5    
2017 16.9    
2018 17.8    
2019 18.7    
2020 - 2024 103.6    
Foreign Pension Plans Defined Benefit [Member]
     
Fair Value Measurements      
Fair value of plan assets 29.4 28.6 29.1
Estimated Future Benefit Payments      
2015 8.3    
2016 8.1    
2017 7.9    
2018 7.7    
2019 7.4    
2020 - 2024 36.1    
Estimate Of Fair Value Fair Value Disclosure [Member] | United States Pension Plans Of U S Entity Defined Benefit [Member]
     
Fair Value Measurements      
Fair value of plan assets 249.7 228.1  
Estimate Of Fair Value Fair Value Disclosure [Member] | Foreign Pension Plans Defined Benefit [Member]
     
Fair Value Measurements      
Fair value of plan assets 29.4 28.6  
Fair Value Inputs Level1 [Member] | Foreign Pension Plans Defined Benefit [Member]
     
Fair Value Measurements      
Fair value of plan assets 27.4 26.6  
Fair Value Inputs Level2 [Member] | United States Pension Plans Of U S Entity Defined Benefit [Member]
     
Fair Value Measurements      
Fair value of plan assets 249.7 228.1  
Fair Value Inputs Level3 [Member] | Foreign Pension Plans Defined Benefit [Member]
     
Fair Value Measurements      
Fair value of plan assets 2.0 2.0  
Cash And Cash Equivalents [Member] | Estimate Of Fair Value Fair Value Disclosure [Member] | United States Pension Plans Of U S Entity Defined Benefit [Member]
     
Fair Value Measurements      
Fair value of plan assets 4.5 4.0  
Cash And Cash Equivalents [Member] | Estimate Of Fair Value Fair Value Disclosure [Member] | Foreign Pension Plans Defined Benefit [Member]
     
Fair Value Measurements      
Fair value of plan assets 5.4 2.8  
Cash And Cash Equivalents [Member] | Fair Value Inputs Level1 [Member] | Foreign Pension Plans Defined Benefit [Member]
     
Fair Value Measurements      
Fair value of plan assets 5.4 2.8  
Cash And Cash Equivalents [Member] | Fair Value Inputs Level2 [Member] | United States Pension Plans Of U S Entity Defined Benefit [Member]
     
Fair Value Measurements      
Fair value of plan assets 4.5 4.0  
Equity Securities [Member] | Estimate Of Fair Value Fair Value Disclosure [Member] | Foreign Pension Plans Defined Benefit [Member]
     
Fair Value Measurements      
Fair value of plan assets 7.3 8.5  
Equity Securities [Member] | Fair Value Inputs Level1 [Member] | Foreign Pension Plans Defined Benefit [Member]
     
Fair Value Measurements      
Fair value of plan assets 7.3 8.5  
Corporate Bond Securities [Member] | Estimate Of Fair Value Fair Value Disclosure [Member] | Foreign Pension Plans Defined Benefit [Member]
     
Fair Value Measurements      
Fair value of plan assets 9.0 9.8  
Corporate Bond Securities [Member] | Fair Value Inputs Level1 [Member] | Foreign Pension Plans Defined Benefit [Member]
     
Fair Value Measurements      
Fair value of plan assets 9.0 9.8  
Fixed Income Funds [Member] | Estimate Of Fair Value Fair Value Disclosure [Member] | Foreign Pension Plans Defined Benefit [Member]
     
Fair Value Measurements      
Fair value of plan assets 5.7 5.5  
Fixed Income Funds [Member] | Fair Value Inputs Level1 [Member] | Foreign Pension Plans Defined Benefit [Member]
     
Fair Value Measurements      
Fair value of plan assets 5.7 5.5  
Equity Funds [Member] | Estimate Of Fair Value Fair Value Disclosure [Member] | United States Pension Plans Of U S Entity Defined Benefit [Member]
     
Fair Value Measurements      
Fair value of plan assets 113.9 103.1  
Equity Funds [Member] | Fair Value Inputs Level2 [Member] | United States Pension Plans Of U S Entity Defined Benefit [Member]
     
Fair Value Measurements      
Fair value of plan assets 113.9 103.1  
Corporate Bond Funds [Member] | Estimate Of Fair Value Fair Value Disclosure [Member] | United States Pension Plans Of U S Entity Defined Benefit [Member]
     
Fair Value Measurements      
Fair value of plan assets 131.3 121.0  
Corporate Bond Funds [Member] | Fair Value Inputs Level2 [Member] | United States Pension Plans Of U S Entity Defined Benefit [Member]
     
Fair Value Measurements      
Fair value of plan assets 131.3 121.0  
Real Estate And Real Estate Funds [Member] | Estimate Of Fair Value Fair Value Disclosure [Member] | Foreign Pension Plans Defined Benefit [Member]
     
Fair Value Measurements      
Fair value of plan assets 2.0 2.0  
Real Estate And Real Estate Funds [Member] | Fair Value Inputs Level3 [Member] | Foreign Pension Plans Defined Benefit [Member]
     
Fair Value Measurements      
Fair value of plan assets $ 2.0 $ 2.0