Gain (Loss) on Sale Of Business Net Of Tax

No definition available.

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- Definition

Income Tax Charge On Disposition Of Equity Method Investments

+ References

No definition available.

+ Details

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- Definition

Net Proceeds From Sale Of Properties

+ References

No definition available.

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- Definition

Sale Of Business After Tax Charge Related To Foreign Tax Credits

+ References

No definition available.

+ Details

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- Definition

This item represents the amount of net sales proceeds received on disposal of an equity method investment.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 35

-Paragraph 35

-URI http://asc.fasb.org/extlink&oid=7658923&loc=d3e32847-111569

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- Definition

This item represents the amount of gain (loss) arising from the disposal of an equity method investment.

+ References

No definition available.

+ Details

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- Definition

The portion of the difference between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to the repatriation of foreign earnings in the period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 12

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 13

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319

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- Definition

The net cash inflow or outflow in aggregate debt due to repayments and proceeds from additional borrowings.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 18

-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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- Definition

Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 50

-Paragraph 5A

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=7880789&loc=SL6759159-111685

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Dispositions - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	1 Months Ended	3 Months Ended		12 Months Ended		1 Months Ended	3 Months Ended	12 Months Ended
	Oct. 21, 2010	Dec. 31, 2010	Sep. 30, 2010	Dec. 31, 2012 San Jos And Alborada Power Stations [Member]	Dec. 31, 2012 San Jose Power Station [Member]	Oct. 21, 2010 TECO Guatemala [Member]	Dec. 31, 2010 TECO Guatemala [Member]	Dec. 31, 2012 Teco Energy [Member]
Subsidiary or Equity Method Investee [Line Items]
Proceeds from sale	$ 605.0			$ 227.5		$ 181.5
Net proceeds from sale					197
Proceeds from Repayment of debt								25.3
Sale after tax book loss					28.6
Sale resulted after-tax charge associated with foreign tax credits					22.9
Ownership percentage						30.00%
Tax on repatriation of foreign earnings	25.0
Income tax charge on sale of business		9.0	24.9
Gain from disposition of business							$ 36.1