Employee Postretirement Benefits (Tables)

6 Months Ended

Jun. 30, 2011

Employee Postretirement Benefits

Schedule of Periodic Expense for Pension and Other Postretirement Benefits

(millions)	Pension Benefits				Other Postretirement Benefits
Three months ended Jun. 30,	2011		2010		2011		2010
Components of net periodic benefit expense
Service cost	$	3.8	$	3.9	$	0.5	$	0.8
Interest cost on projected benefit obligations		7.7		8.4		2.7		2.5
Expected return on assets		(9.5)		(9.2)		0.0		0.0
Amortization of:
Transition obligation		0.0		0.0		0.6		0.6
Prior service (benefit) cost		(0.1)		(0.1)		0.2		0.2
Actuarial loss (gain)		2.8		3.2		(0.1)		0.0
Pension expense		4.7		6.2		3.9		4.1
Settlement cost		0.0		0.1		0.0		0.0
Net pension expense recognized in the TECO Energy Consolidated Condensed Statements of Income	$	4.7	$	6.3	$	3.9	$	4.1
Six months ended Jun. 30,
Components of net periodic benefit expense
Service cost	$	8.0	$	8.1	$	1.1	$	1.6
Interest cost on projected benefit obligations		15.5		16.7		5.5		5.4
Expected return on assets		(19.2)		(18.2)		0.0		0.0
Amortization of:
Transition obligation		0.0		0.0		1.2		1.2
Prior service (benefit) cost		(0.2)		(0.2)		0.4		0.4
Actuarial loss		5.6		6.2		0.0		0.0
Pension expense		9.7		12.6		8.2		8.6
Settlement cost		0.0		1.6		0.0		0.0
Net pension expense recognized in the TECO Energy Consolidated Condensed Statements of Income	$	9.7	$	14.2	$	8.2	$	8.6