Quarterly report pursuant to Section 13 or 15(d)

Retirement Benefits (Details)

v3.20.4
Retirement Benefits (Details) - USD ($)
$ in Millions
3 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Foreign Plan [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Service costs $ 0.5 $ 0.6
Interest costs 0.2 0.2
Expected return on plan assets (0.2) (0.1)
Amortization of net loss 0.7 0.4
Net periodic (benefit) pension cost 1.2 1.1
United States    
Defined Benefit Plan Disclosure [Line Items]    
Service costs 0.2 0.4
Interest costs 1.5 2.0
Expected return on plan assets (2.7) (3.2)
Amortization of net loss 0.5 1.2
Net periodic (benefit) pension cost $ (0.5) $ 0.4