Annual report pursuant to Section 13 and 15(d)

SUPPLEMENTARY FINANCIAL STATEMENT INFORMATION SUPPLEMENTARY FINANCIAL STATEMENT INFORMATION (Cash Flow Information) (Details)

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SUPPLEMENTARY FINANCIAL STATEMENT INFORMATION SUPPLEMENTARY FINANCIAL STATEMENT INFORMATION (Cash Flow Information) (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 12 Months Ended
Dec. 31, 2019
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Disclosure Text Block [Abstract]        
Capital additions   $ 689.8 $ 394.8 $ 156.0
Non-cash accruals   15.3 93.6 (2.2)
Right-of-use asset - finance leases   29.3 7.6 6.5
Grants   (10.8) (2.5) 0.0
Payments To Acquire Property Plant And Equipment Net   656.0 296.1 151.7
Capital expenditure related to discontinued operations   0.0 0.1 2.8
Taxes paid on income   0.2 2.9 1.7
Income tax refunds   (117.9) (11.3) (7.8)
Interest paid on debt obligations net of capitalized interest   97.6 105.7 139.0
Capitalized interest   $ 24.8 $ 6.5 $ 0.0
Common Stock, Dividends, Per Share, Declared $ 0.06 $ 0.27 $ 0.05 $ 0
Dividends Payable $ 16.2 $ 16.2