ÐÇ¿Õ´«Ã½

Quarterly report pursuant to Section 13 or 15(d)

DERIVATIVE INSTRUMENTS (Schedule Of Derivatives Not Designated As Hedging Instruments) (Details)

v3.19.3
DERIVATIVE INSTRUMENTS (Schedule Of Derivatives Not Designated As Hedging Instruments) (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Derivative Instruments, Gain (Loss) [Line Items] Ìý Ìý Ìý Ìý
Revenues $ 555.6 $ 741.8 $ 1,455.8 $ 1,636.1
Not Designated as Hedging Instrument [Member] Ìý Ìý Ìý Ìý
Derivative Instruments, Gain (Loss) [Line Items] Ìý Ìý Ìý Ìý
Revenues (40.9) 135.9 43.4 334.4
Not Designated as Hedging Instrument [Member] | Customer Supply Agreement [Member] | Revenue from Contract with Customer Benchmark [Member] Ìý Ìý Ìý Ìý
Derivative Instruments, Gain (Loss) [Line Items] Ìý Ìý Ìý Ìý
Amount of gain/(loss) recognized in income on derivative 7.6 139.7 82.2 337.1
Not Designated as Hedging Instrument [Member] | Provisional Pricing Arrangements [Member] | Revenue from Contract with Customer Benchmark [Member] Ìý Ìý Ìý Ìý
Derivative Instruments, Gain (Loss) [Line Items] Ìý Ìý Ìý Ìý
Amount of gain/(loss) recognized in income on derivative $ (48.5) $ (3.8) $ (38.8) $ (2.7)