Restructuring Charges	9 Months Ended
Sep. 30, 2011
Restructuring Charges [Abstract]
Restructuring Charges	14. Restructuring Charges On Jul. 30, 2009, TECO Energy, Inc. announced organizational changes that resulted in severance and other benefits costs that were mostly expensed during the fourth quarter of 2009. For the nine months ended Sep. 30, 2010, the remaining $1.5 million was recognized on the Consolidated Condensed Statements of Income under "Restructuring charges".

The entire disclosure for restructuring and related activities. Description of restructuring activities such as exit and disposal activities, include facts and circumstances leading to the plan, the expected plan completion date, the major types of costs associated with the plan activities, total expected costs, the accrual balance at the end of the period, and the periods over which the remaining accrual will be settled.

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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