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CASH FLOW INFORMATION (Reconciliation Of Capital Additions To Cash Paid For Capital Expenditures) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Supplemental Cash Flow Information [Abstract]        
Property, Plant and Equipment, Additions $ 191.6 $ 70.4 $ 320.9 $ 149.3
Capital Expenditures Incurred but Not yet Paid     3.6 34.9
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability     24.8  
Capital leases       0.0
Government grant rebate     (8.4) 0.0
Payments To Acquire Property Plant And Equipment Net     $ 300.9 $ 114.4