Quarterly report pursuant to Section 13 or 15(d)

ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details of Accumulated Other Comprehensive Income (Loss) Components) (Details)

v3.19.3
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details of Accumulated Other Comprehensive Income (Loss) Components) (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Sep. 30, 2019
Sep. 30, 2018
Reclassification out of Accumulated Other Comprehensive Income [Member]                
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]                
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net $ 1.2     $ 0.1     $ 1.7 $ 0.0
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax 6.4     (221.5)     17.8 (208.9)
Accumulated Defined Benefit Plans Adjustment [Member]                
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]                
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax 5.5 $ 5.5 $ 5.5 6.5 $ 6.5 $ 6.2    
Accumulated Defined Benefit Plans Adjustment [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]                
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]                
Prior service cost (credits) (0.2)     (0.1)     (0.6) (0.5)
Net actuarial loss 7.2     6.6     21.5 19.7
Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, before Tax 7.0     6.5     20.9 19.2
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, Tax (1.5)     0.0     (4.4) 0.0
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax 5.5     6.5     16.5 19.2
Foreign Currency Translation Adjustment [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]                
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]                
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax 0.0     (228.1)     0.0 (228.1)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax 0.0     (228.1)     0.0 (228.1)
AOCI, Derivative Qualifying as Hedge, Excluded Component, Parent [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]                
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]                
Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), Adjustments, Tax (0.3)     0.0     (0.4) 0.0
Amount of gain/(loss) recognized in income on derivative $ 0.9     $ 0.1     $ 1.3 $ 0.0