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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) [Abstract] |  |  |
Net income (loss) | $ 11,325 | $ 59,971 | $ (205,982)
Other comprehensive income (loss) before income tax effect: |  |  |
Net unrealized loss on financial instruments | (479) | (81) | (4,319)
Net loss reclassified to income on financial instruments | 40 | 171 | 14,449
Net amount of foreign currency cash flow hedges reclassified as income | (186) | (186) | 7,842
Defined benefit plans and other postretirement benefits: |  |  |
Net gain (loss) arising during the period | (62,212) | (32,319) | 36,798
Prior service cost arising during the period | 0 | 112,488 | 9,153
Amortization of net loss during the period | 16,926 | 8,114 | 4,590
Amortization of prior service benefit during the period | (32,677) | (61,216) | (1,338)
Change in equity in investee other comprehensive income: | (253) | 343 | (2,898)
Other comprehensive income (loss) before income tax effect | (78,841) | 27,314 | 64,277
Income tax effect | (5,771) | (3,020) | (1,339)
Other comprehensive income (loss) | (84,612) | 24,294 | 62,938
Total comprehensive income (loss) | $ (73,287) | $ 84,265 | $ (143,044)

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- Definition The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the economic entity, including both controlling (parent) and noncontrolling interests. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, including any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=6922042&loc=SL4591552-111686 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=6921628&loc=SL4569616-111683 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph A5 -Appendix A Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 29 -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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph a -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. + Details
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