Quarterly report pursuant to Section 13 or 15(d)

ACCUMULATED OTHER COMPREHENSIVE INCOME - Reclassifications Out Of Accumulated Other Comprehensive Income (Details)

v3.8.0.1
ACCUMULATED OTHER COMPREHENSIVE INCOME - Reclassifications Out Of Accumulated Other Comprehensive Income (Details)
$ in Millions
9 Months Ended
Sep. 30, 2017
USD ($)
Prior service cost  
Amortization of pension and other postretirement plan items:  
Total net periodic benefit cost, before tax $ 0.3
Recognized actuarial loss  
Amortization of pension and other postretirement plan items:  
Total net periodic benefit cost, before tax (12.6)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent  
Amortization of pension and other postretirement plan items:  
Total net periodic benefit cost, before tax (12.3)
Total net periodic benefit cost, tax benefit 4.7
Total net periodic benefit cost, net of tax $ (7.6)