XML 13 R54.htm IDEA: XBRL DOCUMENT v2.4.0.6

Subsequent events Agreement to purchase Sebree smelter (Details) (USD $)	Apr. 29, 2013 t
Subsequent Event [Line Items]
Sebree Primary Aluminum Capacity	205,000,000
Sebree Smelter [Member]
Subsequent Event [Line Items]
Entity Number of Employees	500
Cash	61,000
Assumed retiree medical obligations reduction in price	4,000
Increase (Decrease) in Operating Capital	71,000

X

- Definition

purchase price reduction relating to certain assumed retiree medical obligations in the Century Sebree acquisition.

+ References

No definition available.

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- Definition

Sebree Primary Aluminum Capacity

+ References

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X

- Definition

Represents operating liquidity available to a business, organization or other entity, including governmental entity. Along with fixed assets such as plant and equipment, working capital is considered a part of operating capital. Net working capital is calculated as current assets minus current liabilities

+ References

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- Definition

Number of persons employed by the Entity

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- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 1

-Article 5



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Cash

-URI http://asc.fasb.org/extlink&oid=6506951



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.1)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 7

-Footnote 1

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

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