Annual report pursuant to Section 13 and 15(d)

PENSION AND OTHER POSTRETIREMENT BENEFITS (Estimated Future Benefit Payments) (Details)

v3.10.0.1
PENSION AND OTHER POSTRETIREMENT BENEFITS (Estimated Future Benefit Payments) (Details)
$ in Millions
Dec. 31, 2018
USD ($)
Pension Benefits [Member]  
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]  
2017 $ (70.4)
2018 (67.9)
2019 (67.5)
2020 (67.0)
2021 (67.9)
Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter (309.7)
Gross Company Benefits [Member]  
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]  
2017 (18.0)
2018 (17.7)
2019 (17.2)
2020 (17.0)
2021 (16.9)
Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter (82.2)
Less Medicare Subsidy [Member]  
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]  
2017 (0.8)
2018 (0.8)
2019 (0.9)
2020 (0.9)
2021 (1.0)
Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter (5.4)
Net Company Payments [Member]  
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]  
2017 (17.2)
2018 (16.9)
2019 (16.3)
2020 (16.1)
2021 (15.9)
Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter $ (76.8)