Quarterly report pursuant to Section 13 or 15(d)

Pension and Other Postretirement Benefit Programs (Details)

v3.7.0.1
Pension and Other Postretirement Benefit Programs (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Shared Plans:        
Pension Expense     $ 4.5 $ 2.2
Defined-benefit pension, U.S.        
AFI Plans:        
Service cost $ 1.3 $ 1.5 2.7 1.5
Interest cost 3.9 3.9 7.8 3.9
Expected return on plan assets (5.6) (5.8) (11.2) (5.8)
Amortization of prior service cost 0.1 0.1 0.2 0.1
Amortization of net actuarial loss (gains) 2.6 2.5 5.1 2.5
Net benefit cost 2.3 2.2 4.6 2.2
Defined Benefit Plan, Allocated Benefit Cost From Affiliated Entity 0.0 0.0 0.0 2.2
Defined-benefit pension, Canada        
AFI Plans:        
Interest cost 0.1 0.2 0.3 0.2
Expected return on plan assets (0.2) (0.3) (0.4) (0.3)
Amortization of net actuarial loss (gains) 0.1 0.1 0.1 0.1
Net benefit cost 0.0 0.0 0.0 0.0
Defined Benefit Plan, Allocated Benefit Cost From Affiliated Entity 0.0 0.0 0.0 0.1
Other Postretirement Benefit Plan [Member]        
AFI Plans:        
Defined Benefit Plan, Allocated Benefit Cost From Affiliated Entity 0.0 0.0 0.0 (0.3)
Defined-benefit postretirement, U.S.        
AFI Plans:        
Service cost 0.1 0.1 0.2 0.1
Interest cost 0.9 0.8 1.7 0.9
Amortization of prior service cost 0.0 (0.1) 0.0 (0.1)
Amortization of net actuarial loss (gains) (0.6) (1.1) (1.2) (1.1)
Net benefit cost $ 0.4 $ (0.3) $ 0.7 $ (0.2)