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Annual report pursuant to Section 13 and 15(d)

FAIR VALUE OF FINANCIAL INSTRUMENTS (Fair Value Of Assets And Liabilities) (Details)

v3.10.0.1
FAIR VALUE OF FINANCIAL INSTRUMENTS (Fair Value Of Assets And Liabilities) (Details) - USD ($)
$ in Millions
Dec. 31, 2018
Dec. 31, 2017
Assets: Ìý Ìý
Cash equivalents $ 543.4 $ 616.9
Derivative Asset 91.5 37.9
Total Asset 634.9 654.8
Liabilities: Ìý Ìý
Derivative Liability 3.7 2.0
Total Liability 3.7 2.0
Fair Value, Inputs, Level 1 [Member] Ìý Ìý
Assets: Ìý Ìý
Cash equivalents 0.8 66.3
Derivative Asset 0.0 0.0
Total Asset 0.8 66.3
Liabilities: Ìý Ìý
Derivative Liability 0.0 0.0
Total Liability 0.0 0.0
Fair Value, Inputs, Level 2 [Member] Ìý Ìý
Assets: Ìý Ìý
Cash equivalents 542.6 550.6
Derivative Asset 0.1 0.0
Total Asset 542.7 550.6
Liabilities: Ìý Ìý
Derivative Liability 3.7 0.3
Total Liability 3.7 0.3
Fair Value, Inputs, Level 3 [Member] Ìý Ìý
Assets: Ìý Ìý
Cash equivalents 0.0 0.0
Derivative Asset 91.4 37.9
Total Asset 91.4 37.9
Liabilities: Ìý Ìý
Derivative Liability 0.0 1.7
Total Liability $ 0.0 $ 1.7