XML 102 R17.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Supplemental financial statement info | 12 Months Ended
--- | ---
Dec. 31, 2014
Additional financial information disclosures [Abstract] |
Supplemental financial statement info | Supplemental financial statement information Composition of certain balance sheet accounts at December 31:
Components of Prepaid and other current assets: | 2014 | 2013
Prepaid and other assets | $ | 19,601 |  | $ | 15,051 |
Income/withholding tax receivable – current | 5,389 |  | 11,437 |
VAT receivable | 4,778 |  | 5,648 |
Derivative assets | — |  | 140 |
| $ | 29,768 |  | $ | 32,276 |
Components of Other assets: | 2014 | 2013
Investment in BHH and other equity investments | $ | 34,478 |  | $ | 35,767 |
Pension asset related to Mt. Holly | 30,842 |  | — |
Cash surrender value of life insurance and trust assets | 26,636 |  | 27,857 |
Maintenance and operating supplies – non-current | 17,771 |  | 17,827 |
Other assets | 13,850 |  | 10,023 |
| $ | 123,577 |  | $ | 91,474 |
Components of Accrued and other current liabilities: | 2014 | 2013
Accrued payable to Alcoa for Mt. Holly acquisition | $ | 39,208 |  | $ | — |
Accrued compensation and related benefits | 19,602 |  | 11,829 |
Income taxes payable | 14,302 |  | 6,198 |
Other accrued and current liabilities | 10,573 |  | 14,842 |
Accrued vacation pay | 9,101 |  | 9,135 |
Asset retirement obligations – current | 6,006 |  | 4,230 |
Deferred tax liability – current | 2,241 |  | 1,555 |
Accrued severance pay | 2,050 |  | 11,438 |
Accrued bond interest | 1,563 |  | 1,636 |
Revolving credit facility | — |  | 6,000 |
Current portion of long-term debt | — |  | 2,603 |
| $ | 104,646 |  | $ | 69,466 |
Components of Other liabilities: | 2014 | 2013
Asset retirement obligations – non-current | $ | 30,944 |  | $ | 22,884 |
Other liabilities | 9,275 |  | 7,576 |
Contingent consideration | 5,837 |  | — |
Accrued workers’ compensation cost – non-current | 7,216 |  | 7,283 |
E.ON contingent liability and accrued interest | — |  | — |
| $ | 53,272 |  | $ | 37,743 |
Components of Accumulated Other Comprehensive Loss: | 2014 | 2013
Defined benefit plan liabilities | $ | (128,664 | ) | $ | (92,177 | )
Equity in investee other comprehensive income (1) | — |  | (12,650 | )
Unrealized loss on financial instruments | (1,249 | ) | (1,064 | )
Other comprehensive loss before income tax effect | (129,913 | ) | (105,891 | )
Income tax effect (2) | 12,231 |  | 14,059 |
Accumulated other comprehensive loss | $ | (117,682 | ) | $ | (91,832 | )
(1) | The amount includes our equity in the other comprehensive income of Mt. Holly until it was acquired.
(2) | The allocation of the income tax effect to the components of other comprehensive income is as follows:
| 2014 | 2013
Defined benefit plan liabilities | $ | 12,812 |  | $ | 14,256 |
Equity in investee other comprehensive income | — |  | 418 |
Unrealized loss on financial instruments | (581 | ) | (615 | )
The following table summarizes the changes in the accumulated balances for each component of accumulated other comprehensive loss ("AOCI"):
| Defined benefit plan and other postretirement liabilities | Equity in investee other comprehensive income | Unrealized loss on financial instruments | Total, net of tax
Balance, December 31, 2011 | $ | (124,948 | ) | $ | (7,918 | ) | $ | (1,722 | ) | $ | (134,588 | )
Other comprehensive income (loss) before reclassifications | (16,691 | ) | (4,306 | ) | (218 | ) | (21,215 | )
Net amount reclassified to net loss | 4,198 |  | — |  | 413 |  | 4,611 |
Balance, December 31, 2012 | (137,441 | ) | (12,224 | ) | (1,527 | ) | (151,192 | )
Other comprehensive income (loss) before reclassifications | 56,795 |  | (8 | ) | — |  | 56,787 |
Net amount reclassified to net loss | 2,725 |  | — |  | (152 | ) | 2,573 |
Balance, December 31, 2013 | (77,921 | ) | (12,232 | ) | (1,679 | ) | (91,832 | )
Other comprehensive income (loss) before reclassifications | (42,926 | ) | (419 | ) | — |  | (43,345 | )
Net amount reclassified to net income | 4,995 |  | — |  | (151 | ) | 4,844 |
Elimination of equity in investee resulting from acquisition | — |  | 12,651 |  | — |  | 12,651 |
Balance, December 31, 2014 | $ | (115,852 | ) | $ | — |  | $ | (1,830 | ) | $ | (117,682 | )
Reclassifications out of AOCI were included in the consolidated statements of operations as follows:
|  | Gains (Losses) Reclassified from AOCI to the Consolidated Statements of Operations
AOCI Components | Location | 2014 | 2013 | 2012
Defined benefit plan and other postretirement liabilities | Cost of goods sold | $ | 6,237 |  | $ | 3,264 |  | $ | 4,670 |
| Selling, general and administrative expenses | 569 |  | 990 |  | 1,055 |
| Income tax expense | (1,811 | ) | (1,529 | ) | (1,527 | )
| Net of tax | $ | 4,995 |  | $ | 2,725 |  | $ | 4,198 |
Equity in investee other comprehensive income | Cost of goods sold | $ | — |  | $ | — |  | $ | — |
| Income tax expense | (419 | ) | (70 | ) | (70 | )
| Net of tax | $ | (419 | ) | $ | (70 | ) | $ | (70 | )
Unrealized loss on financial instruments | Cost of goods sold | $ | (185 | ) | $ | (186 | ) | $ | 381 |
| Income tax expense | 34 |  | 34 |  | 32 |
| Net of tax | $ | (151 | ) | $ | (152 | ) | $ | 413 |

X
- Details
Name: | cenx_AdditionalfinancialinformationdisclosuresAbstract
Namespace Prefix: | cenx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosures of supplemental information, including descriptions and amounts, related to the balance sheet, income statement, and/or cash flow statement. + References No definition available. + Details
Name: | us-gaap_AdditionalFinancialInformationDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration