Quarterly report pursuant to Section 13 or 15(d)

Retirement Benefits (Details)

v3.19.1
Retirement Benefits (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Mar. 31, 2019
Mar. 31, 2018
Foreign Plan [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Service costs $ 0.4 $ 0.4 $ 0.7 $ 1.0
Interest costs 0.3 0.3 0.6 0.6
Expected return on plan assets (0.2) (0.1) (0.3) (0.3)
Amortization of unrecognized prior service costs, net 0.0 0.0 0.0 0.0
Amortization of net loss 0.3 0.3 0.5 0.5
Net pension costs 0.8 0.9 1.5 1.8
Domestic Plan [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Service costs 0.6 0.7 1.2 1.4
Interest costs 2.5 2.1 5.1 4.3
Expected return on plan assets (3.3) (3.5) (6.6) (7.0)
Amortization of unrecognized prior service costs, net 0.1 0.1 0.1 0.1
Amortization of net loss 0.2 0.8 0.4 1.6
Net pension costs $ 0.1 $ 0.2 $ 0.2 $ 0.4