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, 2013
Sep. 30, 2012
Sep. 30, 2011
Retirement 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 and postretirement healthcare costs, long-term portion $ (190.3) $ (111.8)  
Plan Assets      
Reporting entity's common stock owned by trust (in shares) 0    
Pension plans
      
Accumulated other comprehensive loss      
Net actuarial gains (losses) (54.2) (92.0)  
Prior service cost (3.4) (4.3)  
Aggregate tax effect (21.5) (35.3)  
Amount that will be amortized from accumulated other comprehensive loss into net benefit costs 4.7    
Accumulated Benefit Obligation      
Accumulated benefit obligation 430.8 312.6  
U.S. Pension Benefits
      
Defined benefit plans      
Service costs 4.7 4.5 4.2
Interest costs 12.7 12.1 12.1
Expected return on plan assets (12.9) (12.7) (14.2)
Amortization of unrecognized prior service cost, net 0.9 0.9 0.9
Amortization of actuarial loss 7.2 5.7 4.0
Net pension costs 12.6 10.5 7.0
Change in benefit obligation:      
Projected benefit obligation at beginning of year 300.4 272.7  
Projected benefit obligation attributable to acquisitions 31.5    
Service costs 4.7 4.5 4.2
Interest costs 12.7 12.1 12.1
Plan amendments   0.8  
Actuarial (gain) loss (29.2) 20.7  
Benefits paid (12.8) (10.4)  
Projected benefit obligation at end of year 307.4 300.4 272.7
Change in plan assets:      
Fair value of plan assets at beginning of year 197.2 173.1  
Fair value of pension assets attributable to acquisitions 16.0    
Actual return on plan assets 16.4 33.7  
Employee and employer contributions 12.1 2.0  
Benefits paid (12.8) (10.4)  
Administrative expenses paid (0.8) (1.2)  
Fair value of plan assets at end of year 228.1 197.2 173.1
Funded status:      
Plan assets less than benefit obligations (79.3) (103.2)  
Amounts recorded in the consolidated balance sheets:      
Accrued postretirement benefits, current portion (2.0) (1.7)  
Accrued pension and postretirement healthcare costs, long-term portion (77.3) (101.5)  
Plan assets less than benefit obligations (79.3) (103.2)  
Accumulated Benefit Obligation      
Projected benefit obligation 307.4 300.5  
Accumulated benefit obligation 293.3 286.1  
Fair value of plan assets 228.1 197.2  
Actuarial Assumptions      
Discount rate for obligation, end of year (as a percent) 4.90% 4.00% 4.50%
Discount rate for expense, during the year (as a percent) 4.00% 4.50% 5.00%
Expected rate of return on plan assets (as a percent) 6.60% 6.60% 7.20%
Rate of compensation increase (as a percent) 2.60% 2.50% 2.50%
Plan Assets      
Maximum target investment in return seeking investments as a percentage of total domestic plan assets 60.00%    
Non-U.S. Pension Benefits
      
Defined benefit plans      
Service costs 1.6 1.3 1.3
Interest costs 3.9 0.7 0.7
Expected return on plan assets (1.0) (1.0) (1.2)
Net pension costs 4.5 1.0 0.8
Change in benefit obligation:      
Projected benefit obligation at beginning of year 28.4 29.6  
Projected benefit obligation attributable to acquisitions 110.1    
Service costs 1.6 1.3 1.3
Interest costs 3.9 0.7 0.7
Actuarial (gain) loss 1.1 (0.3)  
Benefits paid (11.3) (2.7)  
Employee contributions 0.8 0.8  
Effect of exchange rates on projected benefit obligation 5.4 (1.0)  
Projected benefit obligation at end of year 140.0 28.4 29.6
Change in plan assets:      
Fair value of plan assets at beginning of year 29.1 30.1  
Actual return on plan assets 0.9 0.8  
Employee and employer contributions 8.8 1.9  
Benefits paid (11.3) (2.7)  
Effect of exchange rates on plan assets 1.1 (1.0)  
Fair value of plan assets at end of year 28.6 29.1 30.1
Funded status:      
Plan assets less than benefit obligations (111.4) 0.7  
Amounts recorded in the consolidated balance sheets:      
Other assets 1.1 0.7  
Accrued postretirement benefits, current portion (8.5)    
Accrued pension and postretirement healthcare costs, long-term portion (104.0)    
Plan assets less than benefit obligations (111.4) 0.7  
Accumulated Benefit Obligation      
Projected benefit obligation 112.5    
Accumulated benefit obligation 112.5    
Actuarial Assumptions      
Discount rate for obligation, end of year (as a percent) 3.50% 2.30% 2.50%
Discount rate for expense, during the year (as a percent) 3.30% 2.30% 2.50%
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% 1.50% 1.50%
Postretirement healthcare plan
      
Defined benefit plans      
Service costs 0.5 0.6  
Interest costs 0.4 0.5  
Change in benefit obligation:      
Projected benefit obligation at beginning of year 10.9 11.0  
Service costs 0.5 0.6  
Interest costs 0.4 0.5  
Plan amendments (0.8)    
Actuarial (gain) loss (0.5)    
Benefits paid (0.7) (1.2)  
Projected benefit obligation at end of year 9.8 10.9  
Change in plan assets:      
Benefits paid (0.7) (1.2)  
Amounts recorded in the consolidated balance sheets:      
Accrued postretirement benefits, current portion 0.8 0.8  
Accrued pension and postretirement healthcare costs, long-term portion 9.0 10.1  
Plan assets less than benefit obligations 9.8 10.9  
Accumulated other comprehensive loss      
Net actuarial gains (losses) 4.9 4.0  
Aggregate tax effect 1.8 1.5  
Amount that will be amortized from accumulated other comprehensive loss into net benefit costs $ 0.4    
Actuarial Assumptions      
Discount rate for obligation, end of year (as a percent) 3.50% 3.40% 4.10%