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DEBT AND CREDIT FACILITIES (Tables) | 12 Months Ended
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Dec. 31, 2016
Debt Disclosure [Abstract] |
Schedule Of Long-Term Debt | The following represents a summary of our long-term debt as of December 31, 2016 and 2015:
($ in Millions)
December 31, 2016
Debt Instrument |  | Annual Effective Interest Rate |  | Total Principal Amount |  | Debt Issuance Costs |  | Undiscounted Interest/(Unamortized Discounts) |  | Total Debt
Secured Notes |  |  |  |  |  |  |  |  |  |
$540 Million 8.25% 2020 First Lien Notes |  | 9.97% |  | $ | 540.0 |  |  | $ | (8.0 | ) |  | $ | (25.7 | ) |  | $ | 506.3 |
$218.5 Million 8.00% 2020 1.5 Lien Notes |  | N/A |  | 218.5 |  |  | — |  |  | 65.7 |  |  | 284.2 |
$544.2 Million 7.75% 2020 Second Lien Notes |  | 15.55% |  | 430.1 |  |  | (5.8 | ) |  | (85.2 | ) |  | 339.1 |
Unsecured Notes |  |  |  |  |  |  |  |  |  |
$400 Million 5.90% 2020 Senior Notes |  | 5.98% |  | 225.6 |  |  | (0.6 | ) |  | (0.5 | ) |  | 224.5 |
$500 Million 4.80% 2020 Senior Notes |  | 4.83% |  | 236.8 |  |  | (0.7 | ) |  | (0.2 | ) |  | 235.9 |
$700 Million 4.875% 2021 Senior Notes |  | 4.89% |  | 309.4 |  |  | (1.0 | ) |  | (0.2 | ) |  | 308.2 |
$800 Million 6.25% 2040 Senior Notes |  | 6.34% |  | 298.4 |  |  | (2.5 | ) |  | (3.4 | ) |  | 292.5 |
ABL Facility |  | N/A |  | 550.0 |  |  | N/A |  |  | N/A |  |  | — |
Fair Value Adjustment to Interest Rate Hedge |  |  |  |  |  |  |  |  |  | 1.9 |
Total debt |  |  |  |  |  |  |  |  |  | $ | 2,192.6 |
Less current portion |  |  |  |  |  |  |  |  |  | 17.5 |
Long-term debt |  |  |  |  |  |  |  |  |  | $ | 2,175.1 |
($ in Millions)
December 31, 2015
Debt Instrument |  | Annual Effective Interest Rate |  | Total Principal Amount |  | Debt Issuance Costs |  | Undiscounted Interest/(Unamortized Discounts) |  | Total Debt
Secured Notes |  |  |  |  |  |  |  |  |  |
$540 Million 8.25% 2020 First Lien Notes |  | 9.97% |  | $ | 540.0 |  |  | $ | (10.5 | ) |  | $ | (32.1 | ) |  | $ | 497.4 |
$544.2 Million 7.75% 2020 Second Lien Notes |  | 15.55% |  | 544.2 |  |  | (9.5 | ) |  | (131.5 | ) |  | 403.2 |
Unsecured Notes |  |  |  |  |  |  |  |  |  |
$500 Million 3.95% 2018 Senior Notes |  | 6.30% |  | 311.2 |  |  | (0.9 | ) |  | (1.2 | ) |  | 309.1 |
$400 Million 5.90% 2020 Senior Notes |  | 5.98% |  | 290.8 |  |  | (1.1 | ) |  | (0.8 | ) |  | 288.9 |
$500 Million 4.80% 2020 Senior Notes |  | 4.83% |  | 306.7 |  |  | (1.1 | ) |  | (0.4 | ) |  | 305.2 |
$700 Million 4.875% 2021 Senior Notes |  | 4.89% |  | 412.5 |  |  | (1.7 | ) |  | (0.2 | ) |  | 410.6 |
$800 Million 6.25% 2040 Senior Notes |  | 6.34% |  | 492.8 |  |  | (4.3 | ) |  | (5.8 | ) |  | 482.7 |
ABL Facility |  | N/A |  | 550.0 |  |  | N/A |  |  | N/A |  |  | — |
Fair Value Adjustment to Interest Rate Hedge |  |  |  |  |  |  |  |  |  | 2.3 |
Long-term debt |  |  |  |  |  |  |  |  |  |  | $ | 2,699.4 |
Debt Instrument Redemption [Table Text Block] | The following is a summary of redemption prices for each of our secured senior notes:
| First Lien Notes |  | 1.5 Lien Notes |  | Second Lien Notes
| Percent of Principal |  | Period |  | Percent of Principal |  | Period |  | Percent of Principal |  | Period
Early redemption 1,2 | 100.00 | % | Prior to March 31, 2018 |  | 100.00 | % | Prior to September 30, 2017 |  | 100.00 | % | Prior to March 31, 2017
Initial redemption 1 | 108.25 |  | Beginning on March 31, 2018 |  | 104.00 |  | Beginning on September 30, 2017 |  | 103.875 |  | Beginning on March 31, 2017
Secondary redemption 1 | 100.00 |  | Beginning on June 30, 2019 |  | 100.00 |  | Beginning on September 30, 2019 |  | 100.00 |  | Beginning on March 31, 2019
1 Plus accrued and unpaid interest, if any, up to but excluding the redemption date.
2 Plus a "make-whole" premium. In addition, we may redeem in the aggregate up to 35% of the original aggregate principal amount (calculated after giving effect to any issuance of additional notes) with the net cash proceeds from certain equity offerings at a redemption price of 108.25%, 108.00% and 107.75% for the First, 1.5 and Second Lien Notes, respectively, so long as at least 65% of the original aggregate principal amount of the notes (calculated after giving effect to any issuance of additional notes) issued remain outstanding after each such redemption.
$218.5 1.5 Lien Notes Exchange [Table Text Block] | The following is a summary of the debt exchanged for our $218.5 million 1.5 Lien Notes:
($ In Millions)
|  | Debt Extinguished |  | 1.5 Lien Amount Issued |  | Carrying Value 1 |  | Gain on Restructuring 2
$544.2 Million 7.75% 2020 Second Lien Notes |  | $ | 114.1 |  |  | $ | 57.0 |  |  | $ | 77.5 |  |  | $ | 6.9 |
$500 Million 3.95% 2018 Senior Notes |  | 17.6 |  |  | 11.4 |  |  | 15.5 |  |  | 1.8 |
$400 Million 5.90% 2020 Senior Notes |  | 65.1 |  |  | 26.0 |  |  | 35.4 |  |  | 28.3 |
$500 Million 4.80% 2020 Senior Notes |  | 44.7 |  |  | 17.9 |  |  | 24.4 |  |  | 19.5 |
$700 Million 4.875% 2021 Senior Notes |  | 76.3 |  |  | 30.5 |  |  | 41.5 |  |  | 33.3 |
$800 Million 6.25% 2040 Senior Notes |  | 194.4 |  |  | 75.7 |  |  | 103.0 |  |  | 84.5 |
|  | $ | 512.2 |  |  | $ | 218.5 |  |  | $ | 297.3 |  |  | $ | 174.3 |
1 Includes undiscounted interest payments
2 Net of amounts expensed for unamortized original issue discount and deferred origination fees
$544.2 2nd Lien Notes Exchange [Table Text Block] | The following is a summary of the debt exchanged for our $544.2 million Second Lien Notes:
($ In Millions)
|  | Debt Extinguished |  | Second Lien Notes Amount Issued |  | Carrying Value 1 |  | Gain on Restructuring 2
$400 Million 5.90% 2020 Senior Notes |  | $ | 67.0 |  |  | $ | 57.5 |  |  | $ | 42.0 |  |  | $ | 24.5 |
$500 Million 4.80% 2020 Senior Notes |  | 137.8 |  |  | 112.9 |  |  | 82.4 |  |  | 54.6 |
$700 Million 4.875% 2021 Senior Notes |  | 208.5 |  |  | 170.3 |  |  | 124.3 |  |  | 83.1 |
$800 Million 6.25% 2040 Senior Notes |  | 261.3 |  |  | 203.5 |  |  | 148.5 |  |  | 107.3 |
|  | $ | 674.6 |  |  | $ | 544.2 |  |  | $ | 397.2 |  |  | $ | 269.5 |
1 Includes unamortized discounts
2 Net of amounts expensed for unamortized original issue discount and deferred origination fees
Schedule of Maturities of Long-term Debt [Table Text Block] | Debt Maturities The following represents a summary of our maturities of debt instruments, excluding borrowings on the ABL Facility, based on the principal amounts outstanding at December 31, 2016:
| (In Millions)
| Maturities of Debt
2017 | $ | — |
2018 | — |
2019 | — |
2020 | 1,651.0 |
2021 | 309.4 |
2022 and thereafter | 298.4 |
Total maturities of debt | $ | 2,258.8 |

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- Definition Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(e),(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21538-112644 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21506-112644 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28541-108399 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21521-112644 + Details
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