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Supplemental Guarantor Financial Information (Details 2) - USD ($) $ in Thousands | Jun. 30, 2015 | Dec. 31, 2014 | Jun. 30, 2014 | Dec. 31, 2013
--- | --- | --- | --- | ---
ASSETS |  |  |  |
Current assets | $ 1,194,772 | $ 1,265,139 |  |
Current assets associated with discontinued operations | 397 | 537 |  |
Total current assets | 1,195,169 | 1,265,676 |  |
Property, plant and equipment, net | 3,340,635 | 3,326,892 |  |
Goodwill | 3,738 | 3,738 |  |
Intangible and other assets, net | 225,528 | 243,372 |  |
Long-term assets associated with discontinued operations | 16,506 | 17,469 |  |
Total long-term assets | 3,586,407 | 3,591,471 |  |
Total assets | 4,781,576 | 4,857,147 |  |
LIABILITIES AND EQUITY |  |  |  |
Current liabilities | 495,033 | 608,652 |  |
Current liabilities associated with discontinued operations | 929 | 2,066 |  |
Total current liabilities | 495,962 | 610,718 |  |
Long-term debt | 2,089,762 | 2,026,902 |  |
Other long-term liabilities | 264,176 | 266,165 |  |
Long-term liabilities associated with discontinued operations | 154 | 317 |  |
Total liabilities | 2,850,054 | 2,904,102 |  |
Total equity | 1,931,522 | 1,953,045 | $ 1,948,071 | $ 1,813,428
Total liabilities and equity | 4,781,576 | 4,857,147 |  |
Eliminations |  |  |  |
ASSETS |  |  |  |
Investments in affiliates | (3,551,727) | (3,531,186) |  |
Intercompany receivables | (1,176,669) | (1,269,193) |  |
Total long-term assets | (4,728,396) | (4,800,379) |  |
Total assets | (4,728,396) | (4,800,379) |  |
LIABILITIES AND EQUITY |  |  |  |
Intercompany payables | (1,176,669) | (1,269,193) |  |
Total liabilities | (1,176,669) | (1,269,193) |  |
Total equity | (3,551,727) | (3,531,186) |  |
Total liabilities and equity | (4,728,396) | (4,800,379) |  |
Parent | Reportable Legal Entities |  |  |  |
ASSETS |  |  |  |
Current assets | 2,097 | 4,846 |  |
Total current assets | 2,097 | 4,846 |  |
Investments in affiliates | 1,819,718 | 1,786,572 |  |
Intangible and other assets, net | 4,827 | 5,966 |  |
Intercompany receivables | 708,876 | 727,896 |  |
Total long-term assets | 2,533,421 | 2,520,434 |  |
Total assets | 2,535,518 | 2,525,280 |  |
LIABILITIES AND EQUITY |  |  |  |
Current liabilities | 2,485 | 2,520 |  |
Total current liabilities | 2,485 | 2,520 |  |
Long-term debt | 706,500 | 725,500 |  |
Total liabilities | 708,985 | 728,020 |  |
Total equity | 1,826,533 | 1,797,260 |  |
Total liabilities and equity | 2,535,518 | 2,525,280 |  |
Guarantor Subsidiaries | Reportable Legal Entities |  |  |  |
ASSETS |  |  |  |
Current assets | 615,751 | 649,719 |  |
Total current assets | 615,751 | 649,719 |  |
Property, plant and equipment, net | 973,693 | 1,124,786 |  |
Investments in affiliates | 1,732,009 | 1,744,614 |  |
Intangible and other assets, net | 31,441 | 33,292 |  |
Intercompany receivables | 29,480 | 12,023 |  |
Total long-term assets | 2,766,623 | 2,914,715 |  |
Total assets | 3,382,374 | 3,564,434 |  |
LIABILITIES AND EQUITY |  |  |  |
Current liabilities | 260,013 | 353,851 |  |
Total current liabilities | 260,013 | 353,851 |  |
Long-term debt | 891 | 1,107 |  |
Intercompany payables | 1,147,189 | 1,257,170 |  |
Other long-term liabilities | 154,563 | 165,734 |  |
Total liabilities | 1,562,656 | 1,777,862 |  |
Total equity | 1,819,718 | 1,786,572 |  |
Total liabilities and equity | 3,382,374 | 3,564,434 |  |
Other Subsidiaries | Reportable Legal Entities |  |  |  |
ASSETS |  |  |  |
Current assets | 576,924 | 610,574 |  |
Current assets associated with discontinued operations | 397 | 537 |  |
Total current assets | 577,321 | 611,111 |  |
Property, plant and equipment, net | 2,366,942 | 2,202,106 |  |
Goodwill | 3,738 | 3,738 |  |
Intangible and other assets, net | 189,260 | 204,114 |  |
Intercompany receivables | 438,313 | 529,274 |  |
Long-term assets associated with discontinued operations | 16,506 | 17,469 |  |
Total long-term assets | 3,014,759 | 2,956,701 |  |
Total assets | 3,592,080 | 3,567,812 |  |
LIABILITIES AND EQUITY |  |  |  |
Current liabilities | 232,535 | 252,281 |  |
Current liabilities associated with discontinued operations | 929 | 2,066 |  |
Total current liabilities | 233,464 | 254,347 |  |
Long-term debt | 1,382,371 | 1,300,295 |  |
Intercompany payables | 29,480 | 12,023 |  |
Other long-term liabilities | 109,613 | 100,431 |  |
Long-term liabilities associated with discontinued operations | 154 | 317 |  |
Total liabilities | 1,755,082 | 1,667,413 |  |
Total equity | 1,836,998 | 1,900,399 |  |
Total liabilities and equity | $ 3,592,080 | $ 3,567,812 |  |

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