Quarterly report pursuant to Section 13 or 15(d)

Pension and Other Postretirement Benefit Programs (Tables)

v3.21.2
Pension and Other Postretirement Benefit Programs (Tables)
6 Months Ended
Jun. 30, 2021
Retirement Benefits [Abstract]  
Summary of Pension and Postretirement Expenses
The following table summarizes our pension and postretirement expense (benefit):
Three Months Ended
June 30,
        Six Months Ended June 30,
2021 2020 2021 2020
Defined-benefit pension, U.S.
Service cost $ 0.3  $ 0.7  $ 0.5  $ 1.3 
Interest cost 2.5  3.1  5.1  6.2 
Expected return on plan assets (5.4) (5.4) (10.6) (10.7)
Amortization of net actuarial (gain) loss 0.8  2.5  1.5  5.1 
Total, defined-benefit pension, U.S. $ (1.8) $ 0.9  $ (3.5) $ 1.9 
Defined-benefit pension, Canada
Interest cost $ 0.1  $ 0.1  $ 0.2  $ 0.2 
Expected return on plan assets (0.2) (0.2) (0.3) (0.3)
Amortization of net actuarial (gain) loss 0.1  0.1  0.1  0.2 
Settlement/curtailment losses 0.2  —    — 
Total, defined-benefit pension, Canada $ 0.2  $ —  $   $ 0.1 
Defined-benefit postretirement, U.S.
Interest cost $ 0.4  $ 0.5  $ 0.7  $ 1.0 
Amortization of prior service credits (0.2) (0.1) (0.5) (0.2)
Amortization of net actuarial (gain) loss (0.4) (1.2) (0.7) (2.4)
Total, defined-benefit postretirement, U.S. $ (0.2) $ (0.8) $ (0.5) $ (1.6)