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FAIR VALUE OF FINANCIAL INSTRUMENTS (Carrying Value And Fair Value Of Financial Instruments Disclosure) (Details) - USD ($) | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Long-term debt: |  |
LONG-TERM DEBT | $ 2,175,100,000 | $ 2,699,400,000
Long-term Debt, Fair Value | 2,224,600,000 | 898,200,000
$540 Million 8.25% 2020 First Lien Notes [Member] |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Debt Instrument, Face Amount | 540,000,000 | 540,000,000
$218.5 Million 8.00% 2020 1.5 Lien Notes [Member] |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Debt Instrument, Face Amount | 218,500,000.0 | 218,500,000.0
$544.2 Million 7.75% 2020 Second Lien Notes [Member] |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Debt Instrument, Face Amount | 544,200,000 | 544,200,000.0
$400 Million 5.90% 2020 Senior Notes [Member] |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Debt Instrument, Face Amount | 400,000,000 | 400,000,000
Senior Notes - $1.3 Billion [Member] |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Debt Instrument, Face Amount | 1,300,000,000.0 | 1,300,000,000.0
$700 Million 4.875% 2021 Senior Notes[Member] |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Debt Instrument, Face Amount | 700,000,000 | 700,000,000
$500 Million 3.95% 2018 Senior Notes [Member] |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Debt Instrument, Face Amount | 500,000,000 | 500,000,000.0
Interest Rate Swap [Member] |  |
Long-term debt: |  |
Fair Value Adjustment to Interest Rate Hedge | 1,900,000 | 2,300,000
Fair Value, Inputs, Level 2 [Member] | ABL Facility [Member] |  |
Long-term debt: |  |
Revolving loan, fair value | 0 | 0
Fair Value, Inputs, Level 2 [Member] | Interest Rate Swap [Member] |  |
Long-term debt: |  |
Fair Value Adjustment to Interest Rate Hedge | 1,900,000 | 2,300,000
Fair Value, Inputs, Level 1 [Member] | $540 Million 8.25% 2020 First Lien Notes [Member] |  |
Long-term debt: |  |
Debt Instrument, Fair Value Disclosure | 595,000,000 | 414,500,000
Fair Value, Inputs, Level 1 [Member] | $544.2 Million 7.75% 2020 Second Lien Notes [Member] |  |
Long-term debt: |  |
Debt Instrument, Fair Value Disclosure | 439,700,000 | 134,700,000
Fair Value, Inputs, Level 1 [Member] | $400 Million 5.90% 2020 Senior Notes [Member] |  |
Long-term debt: |  |
Debt Instrument, Fair Value Disclosure | 219,600,000 | 52,800,000
Fair Value, Inputs, Level 1 [Member] | Senior Notes - $1.3 Billion [Member] |  |
Long-term debt: |  |
Debt Instrument, Fair Value Disclosure | 455,800,000 | 137,400,000
Fair Value, Inputs, Level 1 [Member] | $700 Million 4.875% 2021 Senior Notes[Member] |  |
Long-term debt: |  |
Debt Instrument, Fair Value Disclosure | 283,100,000 | 69,400,000
Fair Value, Inputs, Level 1 [Member] | $500 Million 3.95% 2018 Senior Notes [Member] |  |
Long-term debt: |  |
Debt Instrument, Fair Value Disclosure | 0 | 87,100,000
Reported Value Measurement [Member] |  |
Long-term debt: |  |
LONG-TERM DEBT | 2,192,600,000 | 2,699,400,000
Reported Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | ABL Facility [Member] |  |
Long-term debt: |  |
Senior notes, carrying value | 0 | 0
Reported Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | Interest Rate Swap [Member] |  |
Long-term debt: |  |
Fair Value Adjustment to Interest Rate Hedge | 1,900,000 | 2,300,000
Reported Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] | $540 Million 8.25% 2020 First Lien Notes [Member] |  |
Long-term debt: |  |
Senior notes, carrying value | 506,300,000 | 497,400,000
Reported Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] | $544.2 Million 7.75% 2020 Second Lien Notes [Member] |  |
Long-term debt: |  |
Senior notes, carrying value | 339,100,000 | 403,200,000
Reported Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] | $400 Million 5.90% 2020 Senior Notes [Member] |  |
Long-term debt: |  |
Senior notes, carrying value | 224,500,000 | 288,900,000
Reported Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] | Senior Notes - $1.3 Billion [Member] |  |
Long-term debt: |  |
Senior notes, carrying value | 528,400,000 | 787,900,000
Reported Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] | $700 Million 4.875% 2021 Senior Notes[Member] |  |
Long-term debt: |  |
Senior notes, carrying value | 308,200,000 | 410,600,000
Reported Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] | $500 Million 3.95% 2018 Senior Notes [Member] |  |
Long-term debt: |  |
Senior notes, carrying value |  | $ 309,100,000
Senior Notes [Member] | Reported Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | $218.5 Million 8.00% 2020 1.5 Lien Notes [Member] |  |
Long-term debt: |  |
Long-term Debt, Fair Value | 284,200,000 |
Senior Notes [Member] | Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | $218.5 Million 8.00% 2020 1.5 Lien Notes [Member] |  |
Long-term debt: |  |
Long-term Debt, Fair Value | $ 229,500,000 |

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