Quarterly report pursuant to Section 13 or 15(d)

Pension and Other Postretirement Benefit Programs (Details)

v3.20.1
Pension and Other Postretirement Benefit Programs (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
U.S. | Pension Plan    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Service cost $ 0.6 $ 0.6
Interest cost 3.1 3.8
Expected return on plan assets (5.3) (5.4)
Amortization of net actuarial loss (gains) 2.6 2.4
Net benefit cost 1.0 1.4
U.S. | Other Postretirement Benefits Plan    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Service cost 0.0 0.1
Interest cost 0.5 0.6
Amortization of prior service credits (0.1) 0.0
Amortization of net actuarial loss (gains) (1.2) (0.8)
Net benefit cost (0.8) (0.1)
Foreign Plan | Pension Plan    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Interest cost 0.1 0.1
Expected return on plan assets (0.1) (0.1)
Amortization of net actuarial loss (gains) 0.1 0.1
Net benefit cost $ 0.1 $ 0.1