Represents the number of foreign countries in which the entity has exploratory and development interests.

No definition available.

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- Definition

Highly liquid investments maturity in months.

+ References

No definition available.

+ Details

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- Definition

The percentage of subsidiary stock sold in initial public offering.

+ References

No definition available.

+ Details

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- Definition

The percentage of subsidiary stock distributed to shareholders in spin-off.

+ References

No definition available.

+ Details

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- Definition

Carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies relating to a source of usable power held for future sale or future use in manufacturing or production process.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.6(a))

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

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 6

-Subparagraph a

-Article 5

+ Details

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- Details

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- Definition

The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

+ References

+ Details

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- Definition

Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.8)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Description of the Business, Cash Equivalents, Debt Issue Costs and Inventory) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013 foreign_country	Dec. 31, 2012	Sep. 30, 2011	Jun. 01, 2011
Organization and Spin-off of Subsidiary
Exploratory and development interests in foreign countries	2
Percentage of subsidiary common stock sold in initial public offering (as a percent)				18.00%
Percentage of subsidiary stock distributed to shareholders in spin-off (as a percent)			82.00%
Highly liquid investments maturity (in months)	3 months
Remaining unamortized debt issue costs	$ 13.4	$ 27.0
Inventory	2.2	4.2
Write-off of deferred debt issuance costs	$ 8.9