XML 79 R69.htm IDEA: XBRL DOCUMENT v3.20.1
Components of Net Periodic Benefit Cost (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Mar. 31, 2020
Mar. 31, 2019
Retirement Benefits [Abstract]        
Service cost $ 6.2 $ 3.9 $ 18.6 $ 11.7
Interest cost 12.3 6.7 36.9 20.1
Expected return on plan assets (18.0) (8.3) (54.0) (24.9)
Amortization of net loss 1.5 1.0 4.5 3.0
Amortization of prior service credit (0.4) (0.5) (1.2) (1.5)
Curtailment credit 0.0 0.0 0.0 (0.3)
Net periodic benefit cost $ 1.6 $ 2.8 $ 4.8 $ 8.1