Annual report pursuant to Section 13 and 15(d)

ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) Accumulated Other Comprehensive Income (Loss) and Related Tax Effects (Details)

v3.6.0.2
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) Accumulated Other Comprehensive Income (Loss) and Related Tax Effects (Details) - USD ($)
$ in Millions
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Accumulated Other Comprehensive Income (Loss), Before Taxes $ (144.7) $ (141.8) $ (388.1)  
Accumulated Other Comprehensive Income (Loss), Tax 123.4 123.8 142.3  
Accumulated other comprehensive loss (21.3) (18.0) (245.8) $ (112.9)
Postretirement Benefit Liability [Member]        
Accumulated Other Comprehensive Income (Loss), Before Taxes (384.0) (364.8) (425.3)  
Accumulated Other Comprehensive Income (Loss), Tax 123.4 123.4 134.2  
Accumulated other comprehensive loss (260.6) (241.4) (291.1)  
Foreign Currency Translation Adjustment [Member]        
Accumulated Other Comprehensive Income (Loss), Before Taxes 239.3 220.7 64.4  
Accumulated Other Comprehensive Income (Loss), Tax 0.0 0.0 0.0  
Accumulated other comprehensive loss $ 239.3 220.7 64.4  
Unrealized Gain Loss On Derivatives [Member]        
Accumulated Other Comprehensive Income (Loss), Before Taxes   2.2 (25.9)  
Accumulated Other Comprehensive Income (Loss), Tax   0.4 7.8  
Accumulated other comprehensive loss   2.6 (18.1)  
Accumulated Net Unrealized Investment Gain (Loss) [Member]        
Accumulated Other Comprehensive Income (Loss), Before Taxes   0.1 (1.3)  
Accumulated Other Comprehensive Income (Loss), Tax   0.0 0.3  
Accumulated other comprehensive loss   $ 0.1 $ (1.0)