DEBT AND CREDIT FACILITIES (Narrative) (Details) $ / shares in Units, shares in Thousands |
3 Months Ended | 12 Months Ended | ||||||||
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Mar. 31, 2018
USD ($)
|
Sep. 30, 2016
USD ($)
|
Dec. 31, 2018
USD ($)
$ / shares
|
Dec. 31, 2017
USD ($)
$ / shares
|
Dec. 31, 2016
USD ($)
shares
|
Feb. 28, 2018
USD ($)
|
Feb. 09, 2017
$ / shares
shares
|
Sep. 16, 2016
USD ($)
|
Aug. 10, 2016
$ / shares
shares
|
Mar. 30, 2015
USD ($)
|
|
Line of Credit Facility [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Extinguished | Ìý | Ìý | $ 227,400,000 | $ 1,610,700,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Common shares, par value | $ / shares | Ìý | Ìý | $ 0.125 | $ 0.125 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Common Stock, New Shares, Issued | shares | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 63,250 | Ìý | 44,400 | Ìý |
Net proceeds from issuance of common shares | Ìý | Ìý | $ 0 | $ 661,300,000 | $ 287,400,000 | Ìý | Ìý | Ìý | Ìý | Ìý |
Shares Issued, Price Per Share | $ / shares | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | $ 10.75 | Ìý | $ 6.75 | Ìý |
Gain (loss) on extinguishment of debt | Ìý | Ìý | (6,800,000) | (165,400,000) | 166,300,000 | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt redemption premiums paid | Ìý | $ 17,400,000 | 7,100,000 | 110,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
U.S. Tranche | Ìý | Ìý | 400,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Sublimit for Issuers of Letters of Credit for U.S. Tranche | Ìý | Ìý | 248,800,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Sublimit for U.S. Swingline Loans | Ìý | Ìý | 100,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt issuance costs | Ìý | Ìý | $ 1,500,000 | 28,600,000 | $ 5,200,000 | Ìý | Ìý | Ìý | Ìý | Ìý |
Adjustments to Additional Paid in Capital, Convertible Debt with Conversion Feature | Ìý | Ìý | Ìý | $ 83,400,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Common Shares Issued in Debt to Equity Exchange | shares | Ìý | Ìý | Ìý | Ìý | 8,200 | Ìý | Ìý | Ìý | Ìý | Ìý |
$400 Million 4.875% 2024 Senior Notes [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Line of Credit Facility [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Imputed interest rate | Ìý | Ìý | 5.00% | 5.00% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Interest Rate, Stated Percentage | Ìý | Ìý | 4.875% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Par Value | Ìý | Ìý | $ 400,000,000 | $ 400,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Unamortized Debt Issuance Expense | Ìý | Ìý | 5,700,000 | 7,100,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Unamortized Discount | Ìý | Ìý | $ 2,200,000 | $ 2,600,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
$1.075 Billion 5.75% 2025 Senior Notes [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Line of Credit Facility [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Proceeds from Issuance of Debt | $ 500,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Imputed interest rate | Ìý | Ìý | 6.01% | 6.01% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Redemption Price of 35 percent or less of Outstanding | Ìý | Ìý | 1.0575 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Interest Rate, Stated Percentage | Ìý | Ìý | 5.75% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Par Value | Ìý | Ìý | $ 1,073,300,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Note Redemption Price, Percent of Principal Amount to be Redeemed | Ìý | Ìý | 100.00% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Amount in aggregate that can be redeemed on or prior to March 1, 2020 | Ìý | Ìý | 0.35 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Unamortized Debt Issuance Expense | Ìý | Ìý | $ 9,900,000 | $ 11,300,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Unamortized Discount | Ìý | Ìý | $ 14,600,000 | $ 16,500,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
$316 Million 1.5% 2025 Senior Notes [Domain] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Line of Credit Facility [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Imputed interest rate | Ìý | Ìý | 6.26% | 6.26% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Convertible debt, initial conversion price | Ìý | Ìý | $ 8.17 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Convertible debt, common shares exchanged | Ìý | Ìý | $ 122.4365 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Common shares, par value | $ / shares | Ìý | Ìý | $ 0.125 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Convertible debt, principal increment | Ìý | Ìý | $ 1,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Interest Rate, Stated Percentage | Ìý | Ìý | 1.50% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Par Value | Ìý | Ìý | $ 316,300,000 | $ 316,300,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Note Redemption Price, Percent of Principal Amount to be Redeemed | Ìý | Ìý | 100.00% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Unamortized Debt Issuance Expense | Ìý | Ìý | $ 5,500,000 | 6,600,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Unamortized Discount | Ìý | Ìý | 75,600,000 | 85,600,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
$316 Million 1.5% 2025 Senior Notes [Domain] | Maximum [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Line of Credit Facility [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Convertible debt, conversion price percentage | Ìý | Ìý | 0.98 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
$316 Million 1.5% 2025 Senior Notes [Domain] | Minimum [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Line of Credit Facility [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Convertible debt, conversion price percentage | Ìý | Ìý | 1.30 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
$1.075 Billion 5.75% 2025 Senior Notes | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Line of Credit Facility [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Extinguished | Ìý | Ìý | 1,700,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Par Value | Ìý | Ìý | Ìý | 1,075,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Gain (loss) on extinguishment of debt | Ìý | Ìý | 100,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
$540 Million 8.25% 2020 First Lien Notes | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Line of Credit Facility [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Extinguished | $ 35,600,000 | Ìý | Ìý | $ 540,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Interest Rate, Stated Percentage | Ìý | Ìý | Ìý | 8.25% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Gain (loss) on extinguishment of debt | Ìý | Ìý | Ìý | $ (93,500,000) | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
$218.5 Million 8.00% 2020 1.5 Lien Notes | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Line of Credit Facility [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Extinguished | Ìý | Ìý | Ìý | $ 218,500,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Interest Rate, Stated Percentage | Ìý | Ìý | Ìý | 8.00% | 8.00% | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Par Value | Ìý | Ìý | Ìý | Ìý | $ 218,500,000 | Ìý | Ìý | Ìý | Ìý | Ìý |
Gain (loss) on extinguishment of debt | Ìý | Ìý | Ìý | $ 45,100,000 | 174,300,000 | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Face Amount Exchanged | Ìý | Ìý | Ìý | Ìý | 512,200,000 | Ìý | Ìý | Ìý | Ìý | Ìý |
$544.2 Million 7.75% 2020 Second Lien Notes | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Line of Credit Facility [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Extinguished | Ìý | Ìý | Ìý | $ 430,100,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Interest Rate, Stated Percentage | Ìý | Ìý | Ìý | 7.75% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Gain (loss) on extinguishment of debt | Ìý | Ìý | Ìý | $ (104,500,000) | 6,900,000 | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Face Amount Exchanged | Ìý | Ìý | Ìý | Ìý | $ 114,100,000 | Ìý | Ìý | Ìý | Ìý | Ìý |
Secured Debt [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Line of Credit Facility [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Extinguished | Ìý | Ìý | 648,600,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
$500 Million 3.95% 2018 Senior Notes [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Line of Credit Facility [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Interest Rate, Stated Percentage | Ìý | Ìý | Ìý | Ìý | 3.95% | Ìý | Ìý | Ìý | Ìý | Ìý |
Gain (loss) on extinguishment of debt | Ìý | 19,900,000 | Ìý | Ìý | $ 1,800,000 | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Face Amount Exchanged | Ìý | Ìý | Ìý | Ìý | 17,600,000 | Ìý | Ìý | Ìý | Ìý | Ìý |
$400 Million 5.90% 2020 Senior Notes | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Line of Credit Facility [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Imputed interest rate | Ìý | Ìý | Ìý | 5.98% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Extinguished | Ìý | Ìý | $ 88,900,000 | $ 136,700,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Interest Rate, Stated Percentage | Ìý | Ìý | 5.90% | 5.90% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Par Value | Ìý | Ìý | Ìý | $ 88,900,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Gain (loss) on extinguishment of debt | Ìý | Ìý | $ (3,300,000) | (7,800,000) | 28,300,000 | Ìý | Ìý | Ìý | Ìý | Ìý |
Unamortized Debt Issuance Expense | Ìý | Ìý | Ìý | 200,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Unamortized Discount | Ìý | Ìý | Ìý | $ 100,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Face Amount Exchanged | Ìý | Ìý | Ìý | Ìý | $ 65,100,000 | Ìý | Ìý | Ìý | Ìý | Ìý |
$500 Million 4.80% 2020 Senior Notes | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Line of Credit Facility [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Imputed interest rate | Ìý | Ìý | Ìý | 4.83% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Extinguished | Ìý | Ìý | $ 122,400,000 | $ 114,400,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Interest Rate, Stated Percentage | Ìý | Ìý | 4.80% | 4.80% | 4.80% | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Par Value | Ìý | Ìý | Ìý | $ 122,400,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Gain (loss) on extinguishment of debt | Ìý | Ìý | $ (3,700,000) | (1,900,000) | $ 19,500,000 | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Redemption Expenses | Ìý | 2,500,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Unamortized Debt Issuance Expense | Ìý | Ìý | Ìý | 300,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Unamortized Discount | Ìý | Ìý | Ìý | $ 100,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Face Amount Exchanged | Ìý | Ìý | Ìý | Ìý | $ 44,700,000 | Ìý | Ìý | Ìý | Ìý | Ìý |
$700 Million 4.875% 2021 Senior Notes | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Line of Credit Facility [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Imputed interest rate | Ìý | Ìý | 4.89% | 4.89% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Extinguished | Ìý | Ìý | $ 14,400,000 | $ 171,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Interest Rate, Stated Percentage | Ìý | Ìý | 4.875% | 4.875% | 4.875% | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Par Value | Ìý | Ìý | $ 124,000,000 | $ 138,400,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Gain (loss) on extinguishment of debt | Ìý | Ìý | $ 100,000 | (2,800,000) | $ 33,300,000 | Ìý | Ìý | Ìý | Ìý | Ìý |
Basis points | Ìý | Ìý | 25 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Unamortized Debt Issuance Expense | Ìý | Ìý | $ 200,000 | 300,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Unamortized Discount | Ìý | Ìý | $ 0 | $ 100,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Face Amount Exchanged | Ìý | Ìý | Ìý | Ìý | 76,300,000 | Ìý | Ìý | Ìý | Ìý | Ìý |
$800 Million 6.25% 2040 Senior Notes [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Line of Credit Facility [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Imputed interest rate | Ìý | Ìý | 6.34% | 6.34% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Par Value | Ìý | Ìý | $ 298,400,000 | $ 298,400,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Gain (loss) on extinguishment of debt | Ìý | Ìý | Ìý | Ìý | 84,500,000 | Ìý | Ìý | Ìý | Ìý | Ìý |
Basis points | Ìý | Ìý | 40 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Unamortized Debt Issuance Expense | Ìý | Ìý | $ 2,300,000 | 2,400,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Unamortized Discount | Ìý | Ìý | 3,300,000 | 3,400,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Face Amount Exchanged | Ìý | Ìý | Ìý | Ìý | 194,400,000 | Ìý | Ìý | Ìý | Ìý | Ìý |
Unsecured Debt [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Line of Credit Facility [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Extinguished | Ìý | Ìý | $ 422,200,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Repurchase price if triggering event occurs | Ìý | Ìý | 1.01 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Note Redemption Price, Percent of Principal Amount to be Redeemed | Ìý | Ìý | 100.00% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Unsecured Debt [Member] | Maximum [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Line of Credit Facility [Line Items] | Ìý | Ìý | 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 | 60 days | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Unsecured Debt [Member] | Minimum [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Line of Credit Facility [Line Items] | Ìý | Ìý | 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 | 30 days | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
ABL Facility [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Line of Credit Facility [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Par Value | Ìý | Ìý | Ìý | Ìý | Ìý | $ 450,000,000 | Ìý | Ìý | Ìý | $ 550,000,000 |
U.S. Tranche | Ìý | Ìý | $ 450,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Sublimit for Issuers of Letters of Credit for U.S. Tranche | Ìý | Ìý | 273,200,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Sublimit for U.S. Swingline Loans | Ìý | Ìý | 120,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Australian Tranche | Ìý | Ìý | 50,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Sublimit for Issuance of Letters of Credit for Australian Tranche | Ìý | Ìý | 24,400,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Sublimit for Australian Swingline Loans | Ìý | Ìý | $ 20,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
LIBOR Rate Based on a One-month interest period plus 1 percent | Ìý | Ìý | 0.01 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Fixed Charge Coverage Ratio | Ìý | Ìý | 1.0 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Credit facility, amount outstanding | Ìý | Ìý | $ 0 | 0 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Line of Credit Facility, Remaining Borrowing Capacity | Ìý | Ìý | 268,700,000 | 226,700,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Revolving credit facility, borrowing capacity | Ìý | Ìý | $ 323,700,000 | 273,200,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
ABL Facility [Member] | Maximum [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Line of Credit Facility [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Base Rate | Ìý | Ìý | 0.005 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Letter of Credit [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Line of Credit Facility [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Credit facility, amount outstanding | Ìý | Ìý | $ 55,000,000 | $ 46,500,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Repurchase [Member] | $500 Million 3.95% 2018 Senior Notes [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Line of Credit Facility [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Redemption Price | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | $ 301,000,000 | Ìý | Ìý |
Debt Instrument, Par Value | Ìý | $ 283,600,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Repurchase [Member] | $500 Million 4.80% 2020 Senior Notes | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Line of Credit Facility [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Par Value | Ìý | Ìý | Ìý | Ìý | 5,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý |
Gain (loss) on extinguishment of debt | Ìý | Ìý | Ìý | Ìý | 600,000 | Ìý | Ìý | Ìý | Ìý | Ìý |
Exchange of Debt for Equity [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Line of Credit Facility [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Gain (loss) on extinguishment of debt | Ìý | Ìý | Ìý | Ìý | 11,300,000 | Ìý | Ìý | Ìý | Ìý | Ìý |
Exchange of Debt for Equity [Member] | $218.5 Million 8.00% 2020 1.5 Lien Notes | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Line of Credit Facility [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Face Amount Exchanged | Ìý | Ìý | Ìý | Ìý | 20,100,000 | Ìý | Ìý | 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 | Ìý | Ìý |
Line of Credit Facility [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Face Amount Exchanged | Ìý | Ìý | Ìý | Ìý | 10,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý |
Exchange of Debt for Equity [Member] | $700 Million 4.875% 2021 Senior Notes | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Line of Credit Facility [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Face Amount Exchanged | Ìý | Ìý | Ìý | Ìý | $ 26,800,000 | Ìý | Ìý | Ìý | Ìý | Ìý |
Equity [Member] | $316 Million 1.5% 2025 Senior Notes [Domain] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Line of Credit Facility [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Unamortized Discount | Ìý | Ìý | $ 85,900,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Prime Rate [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Line of Credit Facility [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Basis Spread on Variable Rate | Ìý | Ìý | 1.00% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |