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Quarterly report pursuant to Section 13 or 15(d)

DEBT AND CREDIT FACILITIES (Narrative) (Details)

v3.8.0.1
DEBT AND CREDIT FACILITIES (Narrative) (Details)
 3 Months Ended 9 Months Ended
Sep. 30, 2017
USD ($)
Mar. 31, 2017
USD ($)
Sep. 30, 2016
USD ($)
Sep. 30, 2017
USD ($)
Sep. 30, 2016
USD ($)
Dec. 31, 2016
USD ($)
Line of Credit Facility [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý
Payments of Debt Issuance Costs Ìý Ìý Ìý $ 12,000,000 $ 5,200,000 Ìý
Gain (loss) on extinguishment/restructuring of debt $ (88,600,000) Ìý $ (18,300,000) (165,400,000) $ 164,100,000 Ìý
Debt redemption premiums paid 62,400,000 Ìý Ìý $ 110,000,000 Ìý Ìý
$1,075 Million 5.75% 2025 Senior Notes [Member] Ìý Ìý Ìý Ìý Ìý Ìý
Line of Credit Facility [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý
Proceeds from Issuance of Debt $ 575,000,000 $ 500,000,000 Ìý Ìý Ìý Ìý
Debt Instrument, Interest Rate, Effective Percentage 5.75% Ìý Ìý 5.75% Ìý Ìý
Note Redemption Price, Percent of Principal Amount to be Redeemed 100.00% Ìý Ìý 100.00% Ìý Ìý
Amount in aggregate that can be redeemed on or prior to March 1, 2020 Ìý Ìý Ìý 0.3500 Ìý Ìý
Repurchase price if triggering event occurs Ìý Ìý Ìý 1.01 Ìý Ìý
Redemption Price of 35 percent or less of Outstanding Ìý Ìý Ìý 1.0575 Ìý Ìý
In the Event of Default Amount that will Accelerate Ìý Ìý Ìý 0.25 Ìý Ìý
Unamortized Debt Issuance Expense $ 11,200,000 Ìý Ìý $ 11,200,000 Ìý Ìý
Revolving Credit Facility [Member] Ìý Ìý Ìý Ìý Ìý Ìý
Line of Credit Facility [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý
Credit facility, amount outstanding 0 Ìý Ìý 0 Ìý $ 0
Line of Credit Facility, Maximum Borrowing Capacity 254,200,000 Ìý Ìý 254,200,000 Ìý 333,000,000
Letters of credit outstanding 45,000,000 Ìý Ìý 45,000,000 Ìý 106,000,000
Credit facility remaining capacity $ 209,200,000 Ìý Ìý $ 209,200,000 Ìý $ 227,000,000