XML 31 R15.htm IDEA: XBRL DOCUMENT ﻿
v2.3.0.11

Supplemental Cash Flow Information | 6 Months Ended
--- | ---
Jun. 30, 2011
Notes to Financial Statements [Abstract] |
Supplemental Cash Flow Information |
|  | Six months ended June 30, |
|  | 2011 |  |  | 2010 |
Cash paid for: |  |  |  |  |  |
Interest |  | $ | 11,148 |  |  | $ | 9,292 |
Income taxes (1) |  |  | 27,685 |  |  |  | 1,881 |
Cash received for: |  |  |  |  |  |  |  |
Interest |  |  | 199 |  |  |  | 214 |
Income tax refunds |  |  | — |  |  |  | 18,171 |
(1) | We paid withholding taxes in Iceland of $26,900 in the first quarter of 2011.
Non-cash activities In the first quarter of 2010, we issued shares of common stock as part of our performance share program to satisfy a $964 performance share liability to certain key employees.

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

X
- Definition Designated to encapsulate the entire footnote disclosure that provides information on the supplemental cash flow activities, including cash, noncash, and part noncash transactions, for the period. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 32 + Details
Name: | us-gaap_CashFlowSupplementalDisclosuresTextBlock
Namespace Prefix: | us-gaap
Data Type: | us-types:textBlockItemType
Balance Type: | na
Period Type: | duration