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Components of Accumulated other comprehensive loss (Tables) | 3 Months Ended
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Mar. 31, 2012
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] |
Components of Accumulated Other Comprehensive Loss |
Components of Accumulated other comprehensive loss: |  |
| March 31, 2012 | December 31, 2011
Unrealized loss on financial instruments | $ | (1,061 | ) | $ | (1,040 | )
Defined benefit plan liabilities | (141,100 | ) | (142,259 | )
Equity in investee other comprehensive income (1) | (8,476 | ) | (8,476 | )
Other comprehensive loss before income tax effect | (150,637 | ) | (151,775 | )
Income tax effect | 16,805 |  | 17,187 |
Accumulated other comprehensive loss | $ | (133,832 | ) | $ | (134,588 | )
(1) | The amount includes our equity in the other comprehensive income of Mt. Holly Aluminum Company.

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- Definition Tabular disclosure of components of comprehensive income (loss) including, but not limited to: (a) foreign currency translation adjustments; (b) gains (losses) on foreign currency transactions that are designated as, and are effective as, economic hedges of a net investment in a foreign entity; (c) gains (losses) on intercompany foreign currency transactions that are of a long-term-investment nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements; (d) change in the market value of a futures contract that qualifies as a hedge of an asset reported at fair value; (e) unrealized holding gains (losses) on available-for-sale securities and that resulting from transfers of debt securities from the held-to-maturity category to the available-for-sale category; (f) a net loss recognized as an additional pension liability not yet recognized as net periodic pension cost; and (g) the net gain (loss) and net prior service cost or credit for pension plans and other postretirement benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 220 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph -Name Accounting Standards Codification -Paragraph 1 -Section 45 -URI http://asc.fasb.org/extlink&oid=6920043&loc=d3e526-108580 + Details
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