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Annual report pursuant to Section 13 and 15(d)

DEBT AND CREDIT FACILITIES (Narrative) (Details)

v3.6.0.2
DEBT AND CREDIT FACILITIES (Narrative) (Details)
shares in Millions
 3 Months Ended 12 Months Ended
Dec. 31, 2016
USD ($)
shares
Sep. 30, 2016
USD ($)
Mar. 31, 2016
USD ($)
Mar. 31, 2015
USD ($)
Dec. 31, 2016
USD ($)
shares
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Sep. 16, 2016
USD ($)
Line of Credit Facility [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Gain on extinguishment/restructuring of debt Ìý Ìý Ìý Ìý $ (166,300,000) $ (392,900,000) $ (16,200,000) Ìý
Payments of Debt Issuance Costs Ìý Ìý Ìý Ìý 5,200,000 33,600,000 $ 9,000,000 Ìý
Long-term Debt, Current Maturities $ 17,500,000 Ìý Ìý Ìý $ 17,500,000 Ìý Ìý Ìý
Common Shares Issued in Debt to Equity Exchange | shares 8.2 Ìý Ìý Ìý 8.2 Ìý Ìý Ìý
Debt Instrument, Face Amount Exchanged Ìý Ìý $ 512,200,000 $ 674,600,000 Ìý Ìý Ìý Ìý
$540 Million 8.25% 2020 First Lien Notes [Member] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Line of Credit Facility [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Debt Instrument, Interest Rate, Stated Percentage 8.25% Ìý Ìý Ìý 8.25% Ìý Ìý Ìý
Debt Instrument, Par Value $ 540,000,000 Ìý Ìý Ìý $ 540,000,000 540,000,000 Ìý Ìý
$218.5 Million 8.00% 2020 1.5 Lien Notes [Member] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Line of Credit Facility [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Debt Instrument, Interest Rate, Stated Percentage 8.00% Ìý Ìý Ìý 8.00% Ìý Ìý Ìý
Debt Instrument, Par Value $ 218,500,000 Ìý 218,500,000 Ìý $ 218,500,000 Ìý Ìý Ìý
$544.2 Million 7.75% 2020 Second Lien Notes [Member] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Line of Credit Facility [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Debt Instrument, Interest Rate, Stated Percentage 7.75% Ìý Ìý Ìý 7.75% Ìý Ìý Ìý
Debt Instrument, Par Value $ 430,100,000 Ìý Ìý 544,200,000 $ 430,100,000 544,200,000 Ìý Ìý
Debt Instrument, Face Amount Exchanged Ìý Ìý 114,100,000 Ìý Ìý Ìý Ìý Ìý
Secured Debt [Member] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Line of Credit Facility [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Repurchase price if triggering event occurs Ìý Ìý Ìý Ìý 1.01 Ìý Ìý Ìý
In the Event of Default Amount that will Accelerate Ìý Ìý Ìý Ìý 0.25 Ìý Ìý Ìý
$500 Million 3.95% 2018 Senior Notes [Member] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Line of Credit Facility [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Debt Instrument, Interest Rate, Stated Percentage 3.95% Ìý Ìý Ìý 3.95% Ìý Ìý Ìý
Debt Instrument, Par Value Ìý Ìý Ìý Ìý Ìý 311,200,000 Ìý Ìý
Gain on extinguishment/restructuring of debt Ìý $ 19,900,000 Ìý Ìý Ìý Ìý Ìý Ìý
Amortization of Debt Discount (Premium) Ìý 17,400,000 Ìý Ìý Ìý Ìý Ìý Ìý
Debt Redemption Expenses Ìý 2,500,000 Ìý Ìý Ìý Ìý Ìý Ìý
Basis points 50 Ìý Ìý Ìý 50 Ìý Ìý Ìý
Debt Instrument, Face Amount Exchanged Ìý Ìý 17,600,000 Ìý Ìý Ìý Ìý Ìý
Debt Instrument, Repurchased Face Amount Ìý Ìý Ìý Ìý Ìý 168,800,000 Ìý Ìý
$400 Million 5.90% 2020 Senior Notes [Member] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Line of Credit Facility [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Debt Instrument, Interest Rate, Stated Percentage 5.90% Ìý Ìý Ìý 5.90% Ìý Ìý Ìý
Debt Instrument, Par Value $ 225,600,000 Ìý Ìý Ìý $ 225,600,000 290,800,000 Ìý Ìý
Basis points 35 Ìý Ìý Ìý 35 Ìý Ìý Ìý
Debt Instrument, Face Amount Exchanged Ìý Ìý 65,100,000 67,000,000 Ìý Ìý Ìý Ìý
Debt Instrument, Repurchased Face Amount Ìý Ìý Ìý Ìý Ìý 37,300,000 Ìý Ìý
$500 Million 4.80% 2020 Senior Notes[Member] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Line of Credit Facility [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Debt Instrument, Interest Rate, Stated Percentage 4.80% Ìý Ìý Ìý 4.80% Ìý Ìý Ìý
Debt Instrument, Par Value $ 236,800,000 Ìý Ìý Ìý $ 236,800,000 306,700,000 Ìý Ìý
Gain on extinguishment/restructuring of debt (600,000) Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Debt Instrument, Face Amount Exchanged Ìý Ìý 44,700,000 137,800,000 Ìý Ìý Ìý Ìý
Debt Instrument, Repurchased Face Amount $ 5,000,000 Ìý Ìý Ìý $ 5,000,000 45,600,000 Ìý Ìý
$700 Million 4.875% 2021 Senior Notes[Member] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Line of Credit Facility [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Debt Instrument, Interest Rate, Stated Percentage 4.875% Ìý Ìý Ìý 4.875% Ìý Ìý Ìý
Debt Instrument, Par Value $ 309,400,000 Ìý Ìý Ìý $ 309,400,000 412,500,000 Ìý Ìý
Basis points 25 Ìý Ìý Ìý 25 Ìý Ìý Ìý
Debt Instrument, Face Amount Exchanged Ìý Ìý 76,300,000 208,500,000 Ìý Ìý Ìý Ìý
Debt Instrument, Repurchased Face Amount Ìý Ìý Ìý Ìý Ìý 69,000,000 Ìý Ìý
$800 Million 6.25% 2040 Senior Notes [Member] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Line of Credit Facility [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Debt Instrument, Interest Rate, Stated Percentage 6.25% Ìý Ìý Ìý 6.25% Ìý Ìý Ìý
Debt Instrument, Par Value $ 298,400,000 Ìý Ìý Ìý $ 298,400,000 492,800,000 Ìý Ìý
Basis points 40 Ìý Ìý Ìý 40 Ìý Ìý Ìý
Debt Instrument, Face Amount Exchanged Ìý Ìý 194,400,000 261,300,000 Ìý Ìý Ìý Ìý
Debt Instrument, Repurchased Face Amount Ìý Ìý Ìý Ìý Ìý 45,900,000 Ìý Ìý
Unsecured Debt [Member] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Line of Credit Facility [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Repurchase price if triggering event occurs Ìý Ìý Ìý Ìý 1.01 Ìý Ìý Ìý
Note Redemption Price, Percent of Principal Amount to be Redeemed 100.00% Ìý Ìý Ìý 100.00% Ìý Ìý Ìý
Unsecured Debt [Member] | Maximum [Member] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Line of Credit Facility [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Time Period During Which Senior Notes May Be Redeemed at Company's Option, Number of Days From When Prior Notice Sent to Holders Ìý Ìý Ìý Ìý 60 days Ìý Ìý Ìý
Unsecured Debt [Member] | Minimum [Member] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Line of Credit Facility [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Time Period During Which Senior Notes May Be Redeemed at Company's Option, Number of Days From When Prior Notice Sent to Holders Ìý Ìý Ìý Ìý 30 days Ìý Ìý Ìý
ABL Facility [Member] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Line of Credit Facility [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Debt Instrument, Par Value $ 550,000,000 Ìý Ìý Ìý $ 550,000,000 Ìý Ìý Ìý
U.S. Tranche 450,000,000 Ìý Ìý Ìý 450,000,000 Ìý Ìý Ìý
Sublimit for Issuers of Letters of Credit for U.S. Tranche 250,000,000 Ìý Ìý Ìý 250,000,000 Ìý Ìý Ìý
Sublimit for U.S. Swingline Loans 100,000,000 Ìý Ìý Ìý 100,000,000 Ìý Ìý Ìý
Australian Tranche 100,000,000 Ìý Ìý Ìý 100,000,000 Ìý Ìý Ìý
Sublimit for Issuance of Letters of Credit for Australian Tranche 50,000,000 Ìý Ìý Ìý 50,000,000 Ìý Ìý Ìý
Sublimit for Australian Swingline Loans 20,000,000 Ìý Ìý Ìý $ 20,000,000 Ìý Ìý Ìý
LIBOR Rate Based on a One-month interest period plus 1 percent Ìý Ìý Ìý Ìý 0.01 Ìý Ìý Ìý
Fixed Charge Coverage Ratio Ìý Ìý Ìý Ìý 1.0 Ìý Ìý Ìý
Credit facility, amount outstanding 0 Ìý Ìý Ìý $ 0 0 Ìý Ìý
Line of Credit Facility, Remaining Borrowing Capacity 227,000,000 Ìý Ìý Ìý 227,000,000 179,200,000 Ìý Ìý
Revolving credit facility, borrowing capacity 333,000,000 Ìý Ìý Ìý $ 333,000,000 366,000,000 Ìý Ìý
ABL Facility [Member] | Maximum [Member] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Line of Credit Facility [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Base Rate Ìý Ìý Ìý Ìý 0.01 Ìý Ìý Ìý
Letter of Credit [Member] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Line of Credit Facility [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Credit facility, amount outstanding 106,000,000 Ìý Ìý Ìý $ 106,000,000 186,300,000 Ìý Ìý
Hedge Obligations [Member] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Line of Credit Facility [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Credit facility, amount outstanding Ìý Ìý Ìý Ìý Ìý 500,000 Ìý Ìý
Debt Repurchase [Member] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Line of Credit Facility [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Gain on extinguishment/restructuring of debt Ìý Ìý Ìý Ìý Ìý (137,100,000) Ìý Ìý
Debt Repurchase [Member] | $500 Million 3.95% 2018 Senior Notes [Member] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Line of Credit Facility [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Redemption Price Ìý Ìý Ìý Ìý Ìý Ìý Ìý $ 301,000,000
Debt Instrument, Par Value Ìý $ 283,600,000 Ìý Ìý Ìý Ìý Ìý Ìý
Exchange of Debt [Member] | $218.5 Million 8.00% 2020 1.5 Lien Notes [Member] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Line of Credit Facility [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Gain on extinguishment/restructuring of debt Ìý Ìý Ìý Ìý (174,300,000) Ìý Ìý Ìý
Exchange of Debt [Member] | $544.2 Million 7.75% 2020 Second Lien Notes [Member] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Line of Credit Facility [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Gain on extinguishment/restructuring of debt Ìý Ìý (6,900,000) Ìý Ìý (269,500,000) Ìý Ìý
Exchange of Debt [Member] | $500 Million 3.95% 2018 Senior Notes [Member] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Line of Credit Facility [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Gain on extinguishment/restructuring of debt Ìý Ìý (1,800,000) Ìý Ìý Ìý Ìý Ìý
Exchange of Debt [Member] | $400 Million 5.90% 2020 Senior Notes [Member] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Line of Credit Facility [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Gain on extinguishment/restructuring of debt Ìý Ìý (28,300,000) (24,500,000) Ìý Ìý Ìý Ìý
Exchange of Debt [Member] | $500 Million 4.80% 2020 Senior Notes[Member] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Line of Credit Facility [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Gain on extinguishment/restructuring of debt Ìý Ìý (19,500,000) (54,600,000) Ìý Ìý Ìý Ìý
Exchange of Debt [Member] | $700 Million 4.875% 2021 Senior Notes[Member] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Line of Credit Facility [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Gain on extinguishment/restructuring of debt Ìý Ìý (33,300,000) (83,100,000) Ìý Ìý Ìý Ìý
Exchange of Debt [Member] | $800 Million 6.25% 2040 Senior Notes [Member] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Line of Credit Facility [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Gain on extinguishment/restructuring of debt Ìý Ìý $ (84,500,000) $ (107,300,000) Ìý Ìý Ìý Ìý
Exchange of Debt for Equity [Member] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Line of Credit Facility [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Gain on extinguishment/restructuring of debt (11,300,000) Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Exchange of Debt for Equity [Member] | $218.5 Million 8.00% 2020 1.5 Lien Notes [Member] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Line of Credit Facility [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Debt Instrument, Face Amount Exchanged 20,100,000 Ìý Ìý Ìý 20,100,000 Ìý Ìý Ìý
Exchange of Debt for Equity [Member] | $500 Million 3.95% 2018 Senior Notes [Member] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Line of Credit Facility [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Debt Instrument, Face Amount Exchanged 10,000,000 Ìý Ìý Ìý 10,000,000 Ìý Ìý Ìý
Exchange of Debt for Equity [Member] | $700 Million 4.875% 2021 Senior Notes[Member] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Line of Credit Facility [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Debt Instrument, Face Amount Exchanged $ 26,800,000 Ìý Ìý Ìý $ 26,800,000 Ìý Ìý Ìý
Credit Facility Extinguishment [Member] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Line of Credit Facility [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Gain on extinguishment/restructuring of debt Ìý Ìý Ìý Ìý Ìý $ (13,700,000) Ìý Ìý