Annual report pursuant to Section 13 and 15(d)

Pension and Other Postretirement Benefit Programs - Benefit Obligations in Excess of Assets (Details)

v3.7.0.1
Pension and Other Postretirement Benefit Programs - Benefit Obligations in Excess of Assets (Details)
$ in Millions
Dec. 31, 2016
USD ($)
U.S. Defined Benefit Pension Plans  
Defined-benefit pension plans with benefit obligations in excess of assets  
Projected benefit obligation, December 31, 2016 $ 1.4
Accumulated benefit obligation, December 31, 2016 1.3
Fair value of plan assets, December 31, 2016 0.0
Canadian Defined Benefit Pension Plans  
Defined-benefit pension plans with benefit obligations in excess of assets  
Projected benefit obligation, December 31, 2016 16.1
Accumulated benefit obligation, December 31, 2016 16.1
Fair value of plan assets, December 31, 2016 $ 15.9