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Annual report pursuant to Section 13 and 15(d)

DEBT AND CREDIT FACILITIES (Debt Extinguishment/Restructuring) (Details)

v3.10.0.1
DEBT AND CREDIT FACILITIES (Debt Extinguishment/Restructuring) (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Sep. 30, 2016
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Extinguishment of Debt [Line Items] Ìý Ìý Ìý Ìý
Gain (loss) on extinguishment of debt Ìý $ (6.8) $ (165.4) $ 166.3
$544.2 Million 7.75% 2020 Second Lien Notes Ìý Ìý Ìý Ìý
Extinguishment of Debt [Line Items] Ìý Ìý Ìý Ìý
Debt Instrument, Face Amount Exchanged Ìý Ìý Ìý 114.1
Debt Instrument, Face Amount Received in Debt Exchange of $544M 7.75% Notes Ìý Ìý Ìý 57.0
Debt, carrying value Ìý Ìý Ìý 77.5
Gain (loss) on extinguishment of debt Ìý Ìý (104.5) 6.9
$500 Million 3.95% 2018 Senior Notes [Member] Ìý Ìý Ìý Ìý
Extinguishment of Debt [Line Items] Ìý Ìý Ìý Ìý
Debt Instrument, Face Amount Exchanged Ìý Ìý Ìý 17.6
Debt Instrument, Face Amount Received in Debt Exchange of $500M 3.95% Notes Ìý Ìý Ìý 11.4
Debt, carrying value Ìý Ìý Ìý 15.5
Gain (loss) on extinguishment of debt $ 19.9 Ìý Ìý 1.8
$400 Million 5.90% 2020 Senior Notes Ìý Ìý Ìý Ìý
Extinguishment of Debt [Line Items] Ìý Ìý Ìý Ìý
Debt Instrument, Face Amount Exchanged Ìý Ìý Ìý 65.1
Debt Instrument, Face Amount Received in Debt Exchange of $400M 5.90% Notes Ìý Ìý Ìý 26.0
Debt Instrument, Par Value Ìý Ìý 88.9 Ìý
Debt, carrying value Ìý Ìý Ìý 35.4
Gain (loss) on extinguishment of debt Ìý (3.3) (7.8) 28.3
$500 Million 4.80% 2020 Senior Notes Ìý Ìý Ìý Ìý
Extinguishment of Debt [Line Items] Ìý Ìý Ìý Ìý
Debt Instrument, Face Amount Exchanged Ìý Ìý Ìý 44.7
Debt Instrument, Face Amount Received in Debt Exchange of $500M 4.80% Notes Ìý Ìý Ìý 17.9
Debt Instrument, Par Value Ìý Ìý 122.4 Ìý
Debt, carrying value Ìý Ìý Ìý 24.4
Gain (loss) on extinguishment of debt Ìý (3.7) (1.9) 19.5
$700 Million 4.875% 2021 Senior Notes Ìý Ìý Ìý Ìý
Extinguishment of Debt [Line Items] Ìý Ìý Ìý Ìý
Debt Instrument, Face Amount Exchanged Ìý Ìý Ìý 76.3
Debt instrument, Face Amount Received in Debt Exchange of $700M 4.875% Notes Ìý Ìý Ìý 30.5
Debt Instrument, Par Value Ìý 124.0 138.4 Ìý
Debt, carrying value Ìý Ìý Ìý 41.5
Gain (loss) on extinguishment of debt Ìý 0.1 (2.8) 33.3
$800 Million 6.25% 2040 Senior Notes [Member] Ìý Ìý Ìý Ìý
Extinguishment of Debt [Line Items] Ìý Ìý Ìý Ìý
Debt Instrument, Face Amount Exchanged Ìý Ìý Ìý 194.4
Debt Instrument, Face Amount Received in Debt Exchange of $800M 6.25% Notes Ìý Ìý Ìý 75.7
Debt Instrument, Par Value Ìý $ 298.4 298.4 Ìý
Debt, carrying value Ìý Ìý Ìý 103.0
Gain (loss) on extinguishment of debt Ìý Ìý Ìý 84.5
$218.5 Million 8.00% 2020 1.5 Lien Notes Ìý Ìý Ìý Ìý
Extinguishment of Debt [Line Items] Ìý Ìý Ìý Ìý
Debt Instrument, Face Amount Exchanged Ìý Ìý Ìý 512.2
Debt Instrument, Par Value Ìý Ìý Ìý 218.5
Debt, carrying value Ìý Ìý Ìý 297.3
Gain (loss) on extinguishment of debt Ìý Ìý $ 45.1 $ 174.3