Annual report pursuant to Section 13 and 15(d)

Retirement Benefits (Details)

v2.4.0.8
Retirement Benefits (Details) (USD $)
In Millions, except Share data, unless otherwise specified
12 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2012
Retirement and Postemployment Benefits      
Percentage of employee participation in the defined benefit retirement programs 42.00%    
Number of defined benefit retirement programs in which a specified percentage of employees participate 1    
Number of defined benefit retirement programs 4    
Amounts recorded in the consolidated balance sheets:      
Accrued pension costs and postretirement benefits, long-term portion $ (200.9) $ (190.3)  
Plan Assets      
Reporting entity's common stock owned by trust (in shares) 0    
Pension Plans Defined Benefit [Member]
     
Accumulated other comprehensive loss      
Net actuarial gains (losses) (75.8) (54.2)  
Prior service cost (2.4) (3.4)  
Aggregate tax effect (28.0) (21.5)  
Amount that will be amortized from accumulated other comprehensive loss into net benefit costs 6.3    
Accumulated Benefit Obligation      
Accumulated benefit obligation 463.8 430.8  
United States Pension Plans Of U S Entity Defined Benefit [Member]
     
Defined benefit plans      
Service costs 4.0 4.7 4.5
Interest costs 14.5 12.7 12.1
Expected return on plan assets (14.0) (12.9) (12.7)
Amortization of unrecognized prior service cost, net 0.9 0.9 0.9
Amortization of actuarial loss 3.8 7.2 5.7
Net pension costs 9.2 12.6 10.5
Change in benefit obligation:      
Projected Benefit Obligation, beginning of year 307.4 300.4  
Projected benefit obligation attributable to acquisitions   31.5  
Service costs 4.0 4.7 4.5
Interest costs 14.5 12.7 12.1
Actuarial gain (loss) (26.5) 29.2  
Benefits paid (13.9) (12.8)  
Projected Benefit Obligation, end of year 338.5 307.4 300.4
Change in plan assets:      
Fair value of plan assets, beginning of year 228.1 197.2  
Fair value of pension assets attributable to acquisitions   16.0  
Actual return on plan assets 26.6 16.4  
Employee and employer contributions 10.2 12.1  
Benefits paid (13.9) (12.8)  
Administrative expenses paid (1.3) (0.8)  
Fair value of plan assets, end of year 249.7 228.1 197.2
Funded status:      
Plan assets less than benefit obligations (88.8) (79.3)  
Amounts recorded in the consolidated balance sheets:      
Accrued pension costs and postretirement benefits, current portion (1.8) (2.0)  
Accrued pension costs and postretirement benefits, long-term portion (87.0) (77.3)  
Plan assets less than benefit obligations (88.8) (79.3)  
Accumulated Benefit Obligation      
Projected benefit obligation 338.5 307.4  
Accumulated benefit obligation 324.0 293.3  
Fair value of plan assets 249.7 228.1  
Actuarial Assumptions      
Discount rate for obligation, end of year (as a percent) 4.40% 4.90% 4.00%
Discount rate for expense, during the year (as a percent) 4.90% 4.00% 4.50%
Expected rate of return on plan assets (as a percent) 6.60% 6.60% 6.60%
Rate of compensation increase (as a percent) 3.00% 2.60% 2.50%
Plan Assets      
Maximum target investment in return seeking investments as a percentage of total domestic plan assets 60.00%    
Maximum equity investment in one entity as a percent of total equity portfolio 10.00%    
Foreign Pension Plans Defined Benefit [Member]
     
Defined benefit plans      
Service costs 1.6 1.6 1.3
Interest costs 4.2 3.9 0.7
Expected return on plan assets (1.0) (1.0) (1.0)
Net pension costs 4.8 4.5 1.0
Change in benefit obligation:      
Projected Benefit Obligation, beginning of year 140.0 28.4  
Projected benefit obligation attributable to acquisitions 1.9 110.1  
Service costs 1.6 1.6 1.3
Interest costs 4.2 3.9 0.7
Actuarial gain (loss) (12.8) (1.1)  
Benefits paid (8.8) (11.3)  
Employee contributions 0.7 0.8  
Effect of exchange rates on projected benefit obligation (9.5) 5.4  
Projected Benefit Obligation, end of year 142.9 140.0 28.4
Change in plan assets:      
Fair value of plan assets, beginning of year 28.6 29.1  
Actual return on plan assets 1.0 0.9  
Employee and employer contributions 10.4 8.8  
Benefits paid (8.8) (11.3)  
Effect of exchange rates on plan assets (1.8) 1.1  
Fair value of plan assets, end of year 29.4 28.6 29.1
Funded status:      
Plan assets less than benefit obligations (113.5) (111.4)  
Amounts recorded in the consolidated balance sheets:      
Other assets 0.1 1.1  
Accrued pension costs and postretirement benefits, current portion (7.9) (8.5)  
Accrued pension costs and postretirement benefits, long-term portion (105.7) (104.0)  
Plan assets less than benefit obligations (113.5) (111.4)  
Accumulated Benefit Obligation      
Projected benefit obligation 113.6 112.5  
Accumulated benefit obligation 113.6 112.5  
Actuarial Assumptions      
Discount rate for obligation, end of year (as a percent) 2.30% 3.50% 2.30%
Discount rate for expense, during the year (as a percent) 3.00% 3.30% 2.30%
Expected rate of return on plan assets (as a percent) 3.50% 3.50% 3.50%
Rate of compensation increase (as a percent) 0.20% 0.20% 1.50%
Other Postretirement Benefit Plans Defined Benefit [Member]
     
Defined benefit plans      
Service costs 0.4 0.5  
Interest costs 0.3 0.4  
Change in benefit obligation:      
Projected Benefit Obligation, beginning of year 9.8 10.9  
Service costs 0.4 0.5  
Interest costs 0.3 0.4  
Plan amendments   (0.8)  
Actuarial gain (loss) (1.4) (0.5)  
Benefits paid (0.2) (0.7)  
Projected Benefit Obligation, end of year 8.9 9.8  
Change in plan assets:      
Benefits paid (0.2) (0.7)  
Amounts recorded in the consolidated balance sheets:      
Accrued pension costs and postretirement benefits, current portion (0.7) (0.8)  
Accrued pension costs and postretirement benefits, long-term portion (8.2) (9.0)  
Plan assets less than benefit obligations (8.9) (9.8)  
Accumulated other comprehensive loss      
Net actuarial gains (losses) 5.8 4.9  
Aggregate tax effect 1.6 1.8  
Amount that will be amortized from accumulated other comprehensive loss into net benefit costs $ 0.6    
Actuarial Assumptions      
Discount rate for obligation, end of year (as a percent) 3.70% 3.50% 3.40%