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Supplemental Guarantor Financial Information (Details 2) (USD $) In Thousands, unless otherwise specified | Jun. 30, 2013 | Dec. 31, 2012 | Jun. 30, 2012 | Dec. 31, 2011
--- | --- | --- | --- | ---
ASSETS |  |  |  |
Current assets | $ 1,335,981 | $ 1,216,222 |  |
Current assets associated with discontinued operations | 23,290 | 21,746 |  |
Total current assets | 1,359,271 | 1,237,968 |  |
Property, plant and equipment, net | 2,835,847 | 2,842,031 |  |
Intangible and other assets, net | 174,522 | 174,848 |  |
Total long-term assets | 3,010,369 | 3,016,879 |  |
Total assets | 4,369,640 | 4,254,847 |  |
LIABILITIES AND EQUITY |  |  |  |
Current liabilities | 741,271 | 762,967 |  |
Current liabilities associated with discontinued operations | 9,657 | 11,572 |  |
Total current liabilities | 750,928 | 774,539 |  |
Long-term debt | 1,642,847 | 1,564,923 |  |
Other long-term liabilities | 222,749 | 212,082 |  |
Long-term liabilities associated with discontinued operations | 938 | 1,044 |  |
Total liabilities | 2,617,462 | 2,552,588 |  |
Total equity | 1,752,178 | 1,702,259 | 1,589,555 | 1,680,042
Total liabilities and equity | 4,369,640 | 4,254,847 |  |
Parent |  |  |  |
ASSETS |  |  |  |
Current assets | 51 | 142 |  |
Total current assets | 51 | 142 |  |
Investments in affiliates | 1,749,550 | 1,631,185 |  |
Intangible and other assets, net | 26,812 | 33,234 |  |
Intercompany receivables | 733,708 | 704,319 |  |
Total long-term assets | 2,510,070 | 2,368,738 |  |
Total assets | 2,510,121 | 2,368,880 |  |
LIABILITIES AND EQUITY |  |  |  |
Current liabilities | 3,300 | 5,844 |  |
Total current liabilities | 3,300 | 5,844 |  |
Long-term debt | 927,841 | 884,423 |  |
Total liabilities | 931,141 | 890,267 |  |
Total equity | 1,578,980 | 1,478,613 |  |
Total liabilities and equity | 2,510,121 | 2,368,880 |  |
Guarantor Subsidiaries |  |  |  |
ASSETS |  |  |  |
Current assets | 806,027 | 754,303 |  |
Total current assets | 806,027 | 754,303 |  |
Property, plant and equipment, net | 1,171,225 | 1,299,797 |  |
Investments in affiliates | 1,544,979 | 1,145,551 |  |
Intangible and other assets, net | 31,874 | 37,748 |  |
Intercompany receivables | 78,127 | 83,362 |  |
Total long-term assets | 2,826,205 | 2,566,458 |  |
Total assets | 3,632,232 | 3,320,761 |  |
LIABILITIES AND EQUITY |  |  |  |
Current liabilities | 460,973 | 462,668 |  |
Total current liabilities | 460,973 | 462,668 |  |
Long-term debt | 324 |  |  |
Intercompany payables | 1,292,048 | 1,123,427 |  |
Other long-term liabilities | 129,337 | 103,481 |  |
Total liabilities | 1,882,682 | 1,689,576 |  |
Total equity | 1,749,550 | 1,631,185 |  |
Total liabilities and equity | 3,632,232 | 3,320,761 |  |
Other Subsidiaries |  |  |  |
ASSETS |  |  |  |
Current assets | 529,903 | 461,810 |  |
Current assets associated with discontinued operations | 23,290 | 21,746 |  |
Total current assets | 553,193 | 483,556 |  |
Property, plant and equipment, net | 1,664,622 | 1,542,234 |  |
Intangible and other assets, net | 131,907 | 123,681 |  |
Intercompany receivables | 558,340 | 419,108 |  |
Total long-term assets | 2,354,869 | 2,085,023 |  |
Total assets | 2,908,062 | 2,568,579 |  |
LIABILITIES AND EQUITY |  |  |  |
Current liabilities | 276,998 | 294,529 |  |
Current liabilities associated with discontinued operations | 9,657 | 11,572 |  |
Total current liabilities | 286,655 | 306,101 |  |
Long-term debt | 714,682 | 680,500 |  |
Intercompany payables | 78,127 | 83,362 |  |
Other long-term liabilities | 109,483 | 128,375 |  |
Long-term liabilities associated with discontinued operations | 938 | 1,044 |  |
Total liabilities | 1,189,885 | 1,199,382 |  |
Total equity | 1,718,177 | 1,369,197 |  |
Total liabilities and equity | 2,908,062 | 2,568,579 |  |
Eliminations |  |  |  |
ASSETS |  |  |  |
Current assets |  | (33) |  |
Total current assets |  | (33) |  |
Investments in affiliates | (3,294,529) | (2,776,736) |  |
Intangible and other assets, net | (16,071) | (19,815) |  |
Intercompany receivables | (1,370,175) | (1,206,789) |  |
Total long-term assets | (4,680,775) | (4,003,340) |  |
Total assets | (4,680,775) | (4,003,373) |  |
LIABILITIES AND EQUITY |  |  |  |
Current liabilities |  | (74) |  |
Total current liabilities |  | (74) |  |
Intercompany payables | (1,370,175) | (1,206,789) |  |
Other long-term liabilities | (16,071) | (19,774) |  |
Total liabilities | (1,386,246) | (1,226,637) |  |
Total equity | (3,294,529) | (2,776,736) |  |
Total liabilities and equity | $ (4,680,775) | $ (4,003,373) |  |

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- Definition Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 26 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4568447-111683 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 25 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4568740-111683 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph A3 -Appendix A Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4I -URI http://asc.fasb.org/extlink&oid=18733213&loc=SL4590271-111686 + Details
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