Annual report pursuant to Section 13 and 15(d)

Retirement Benefits (Details)

v3.3.0.814
Retirement Benefits (Details)
$ in Millions
 1 Months Ended 12 Months Ended
Sep. 30, 2015
USD ($)
shares
Sep. 30, 2015
USD ($)
program
shares
Sep. 30, 2014
USD ($)
Sep. 30, 2013
USD ($)
Retirement and Postemployment Benefits        
Percentage of employee participation in the defined benefit retirement programs   39.00%    
Number of defined benefit retirement programs in which a specified percentage of employees participate | program   1    
Number of defined benefit retirement programs | program   4    
Amounts recorded in the consolidated balance sheets:        
Accrued pension costs, long-term portion $ (218.7) $ (218.7) $ (200.9)  
Plan Assets        
Reporting entity's common stock owned by trust (in shares) | shares 0 0    
Pension Plans Defined Benefit        
Accumulated other comprehensive loss        
Net actuarial gains (losses) $ (86.4) $ (86.4) (75.8)  
Prior service cost 1.5 1.5 2.4  
Aggregate tax effect (30.8) (30.8) (28.0)  
Amount that will be amortized from accumulated other comprehensive loss into net benefit costs   5.0    
Accumulated Benefit Obligation        
Accumulated benefit obligation 390.1 390.1 463.8  
U.S. Pension Benefits        
Retirement and Postemployment Benefits        
Decrease in projected obligation 81.9      
Defined benefit plans        
Service cost   4.3 4.0 $ 4.7
Interest cost   14.4 14.5 12.7
Expected return on plan assets   (14.3) (14.0) (12.9)
Amortization of unrecognized prior service cost, net   0.9 0.9 0.9
Amortization of actuarial loss   5.3 3.8 7.2
Settlement expense 17.7 17.7 0.0 0.0
Net pension costs   28.3 9.2 12.6
Change in benefit obligation:        
Projected benefit obligation at beginning of year   338.5 307.4  
Projected benefit obligation attributable to acquisitions   0.0 0.0  
Service cost   4.3 4.0 4.7
Interest cost   14.4 14.5 12.7
Amendments   0.0 0.0  
Actuarial loss (gain)   10.0 26.5  
Benefits paid (75.9) (89.0) (13.9)  
Gain due to settlement   (6.0) 0.0  
Employee contributions   0.0 0.0  
Effect of exchange rates on projected benefit obligation   0.0 0.0  
Projected benefit obligation at end of year 272.2 272.2 338.5 307.4
Change in plan assets:        
Fair value of plan assets at beginning of year   249.7 228.1  
Actual return on plan assets   (8.6) 26.6  
Employee and employer contributions   6.8 10.2  
Benefits paid (75.9) (89.0) (13.9)  
Administrative expenses paid   0.0 (1.3)  
Effect of exchange rates on plan assets   0.0 0.0  
Fair value of plan assets at end of year 158.9 158.9 249.7 $ 228.1
Funded status:        
Plan assets less than benefit obligations (113.3) (113.3) (88.8)  
Amounts recorded in the consolidated balance sheets:        
Other assets 0.0 0.0 0.0  
Accrued pension costs, current portion (1.8) (1.8) (1.8)  
Accrued pension costs, long-term portion (111.5) (111.5) (87.0)  
Plan assets less than benefit obligations (113.3) (113.3) (88.8)  
Accumulated Benefit Obligation        
Projected benefit obligation 272.2 272.2 338.5  
Accumulated benefit obligation 258.9 258.9 324.0  
Fair value of plan assets $ 158.9 $ 158.9 $ 249.7  
Actuarial Assumptions        
Discount rate for obligation, end of year (as a percent) 4.40% 4.40% 4.40% 4.90%
Discount rate for expense, during the year (as a percent)   4.40% 4.90% 4.00%
Expected rate of return on plan assets (as a percent)   6.30% 6.60% 6.60%
Rate of compensation increase (as a percent)   3.00% 3.00% 2.60%
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%    
U.S. Pension Benefits | Accumulated Other Comprehensive Income        
Defined benefit plans        
Settlement expense $ (6.0)      
Non-U.S. Pension Plans        
Defined benefit plans        
Service cost   $ 1.7 $ 1.6 $ 1.6
Interest cost   2.8 4.2 3.9
Expected return on plan assets   (1.0) (1.0) (1.0)
Amortization of unrecognized prior service cost, net   0.0 0.0 0.0
Amortization of actuarial loss   0.1 0.0 0.0
Settlement expense   0.0 0.0 0.0
Net pension costs   3.6 4.8 4.5
Change in benefit obligation:        
Projected benefit obligation at beginning of year   142.9 140.0  
Projected benefit obligation attributable to acquisitions   0.0 1.9  
Service cost   1.7 1.6 1.6
Interest cost   2.8 4.2 3.9
Amendments   0.7 0.0  
Actuarial loss (gain)   6.2 12.8  
Benefits paid   (8.3) (8.8)  
Gain due to settlement   0.0 0.0  
Employee contributions   0.8 0.7  
Effect of exchange rates on projected benefit obligation   (12.6) (9.5)  
Projected benefit obligation at end of year 134.2 134.2 142.9 140.0
Change in plan assets:        
Fair value of plan assets at beginning of year   29.4 28.6  
Actual return on plan assets   0.0 1.0  
Employee and employer contributions   8.9 10.4  
Benefits paid   (8.3) (8.8)  
Administrative expenses paid   0.0 0.0  
Effect of exchange rates on plan assets   (0.5) (1.8)  
Fair value of plan assets at end of year 29.5 29.5 29.4 $ 28.6
Funded status:        
Plan assets less than benefit obligations (104.7) (104.7) (113.5)  
Amounts recorded in the consolidated balance sheets:        
Other assets 0.0 0.0 0.1  
Accrued pension costs, current portion (6.9) (6.9) (7.9)  
Accrued pension costs, long-term portion (97.8) (97.8) (105.7)  
Plan assets less than benefit obligations (104.7) (104.7) (113.5)  
Accumulated Benefit Obligation        
Projected benefit obligation 134.2 134.2 113.6  
Accumulated benefit obligation 131.2 131.2 113.6  
Fair value of plan assets $ 29.5 $ 29.5 $ 0.0  
Actuarial Assumptions        
Discount rate for obligation, end of year (as a percent) 2.10% 2.10% 2.30% 3.50%
Discount rate for expense, during the year (as a percent)   1.90% 3.00% 3.30%
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% 0.20%
Other Postretirement Benefit Plans        
Defined benefit plans        
Service cost   $ 0.4 $ 0.4  
Interest cost   0.3 0.3  
Change in benefit obligation:        
Projected benefit obligation at beginning of year   8.9 9.8  
Service cost   0.4 0.4  
Interest cost   0.3 0.3  
Actuarial loss (gain)   (1.1) 1.4  
Benefits paid   (0.4) (0.2)  
Projected benefit obligation at end of year $ 10.3 10.3 8.9 $ 9.8
Change in plan assets:        
Benefits paid   (0.4) (0.2)  
Amounts recorded in the consolidated balance sheets:        
Accrued pension costs, current portion 0.9 0.9 0.7  
Accrued pension costs, long-term portion 9.4 9.4 8.2  
Plan assets less than benefit obligations 10.3 10.3 8.9  
Accumulated other comprehensive loss        
Net actuarial gains (losses) 4.2 4.2 5.8  
Aggregate tax effect $ 1.6 1.6 $ 1.6  
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) 3.70% 3.70% 3.70% 3.50%