Pension and Postretirement Benefits (Tables)

3 Months Ended

9 Months Ended

Sep. 30, 2012

Sep. 30, 2012

Net Periodic Benefit Cost / (Income)

Net Periodic Benefit Cost / (Income)	Pension				Postretirement
	Successor		Predecessor		Successor		Predecessor
$ in millions	2012		2011		2012		2011
Service cost	$	1.5	$	0.8	$	-	$	-
Interest cost		4.3		4.1		0.2		0.2
Expected return on assets (a)		(5.7)		(6.2)		(0.1)		(0.1)
Amortization of unrecognized:
Actuarial loss / (gain)		1.3		1.7		(0.1)		(0.5)
Prior service cost		0.4		0.5		-		0.1
Net periodic benefit cost / (income) before adjustments		1.8		0.9		-		(0.3)
Settlement cost (b)		0.2		-		-		-
Net periodic benefit cost / (income)	$	2.0	$	0.9	$	-	$	(0.3)

Net Periodic Benefit Cost / (Income)	Pension				Postretirement
	Successor		Predecessor		Successor		Predecessor
$ in millions	2012		2011		2012		2011
Service cost	$	4.6	$	3.7	$	0.1	$	0.1
Interest cost		12.9		12.7		0.6		0.7
Expected return on assets (a)		(17.0)		(18.4)		(0.2)		(0.2)
Amortization of unrecognized:
Actuarial loss / (gain)		3.7		6.2		(0.5)		(0.9)
Prior service cost		1.1		1.6		-		0.1
Net periodic benefit cost / (income) before adjustments		5.3		5.8		-		(0.2)
Settlement cost (b)		0.2		-		-		-
Net periodic benefit cost / (income)	$	5.5	$	5.8	$	-	$	(0.2)

Estimated Future Benefit Payments and Medicare Part D Reimbursements

Benefit payments, which reflect future service, are expected to be paid as follows:
Estimated Future Benefit Payments and Medicare Part D Reimbursements
$ in millions	Pension		Postretirement
2012	$	5.8	$	0.6
2013		22.7		2.3
2014		23.2		2.2
2015		23.8		2.0
2016		24.0		1.9
2017 - 2021		124.4		7.5

DP&L [Member]

Net Periodic Benefit Cost / (Income)

Net Periodic Benefit Cost / (Income)	Pension				Postretirement
$ in millions	2012		2011		2012		2011
Service cost	$	1.5	$	0.8	$	-	$	-
Interest cost		4.3		4.1		0.2		0.2
Expected return on assets (a)		(5.7)		(6.2)		(0.1)		(0.1)
Amortization of unrecognized:
Actuarial loss / (gain)		2.4		1.7		(0.2)		(0.5)
Prior service cost		0.7		0.5		0.1		0.1
Net periodic benefit cost / (income) before adjustments		3.2		0.9		-		(0.3)
Settlement cost (b)		0.5		-		-		-
Net periodic benefit cost / (income)	$	3.7	$	0.9	$	-	$	(0.3)

Net Periodic Benefit Cost / (Income)	Pension				Postretirement
$ in millions	2012		2011		2012		2011
Service cost	$	4.6	$	3.7	$	0.1	$	0.1
Interest cost		12.9		12.7		0.6		0.7
Expected return on assets (a)		(17.0)		(18.4)		(0.2)		(0.2)
Amortization of unrecognized:
Actuarial loss / (gain)		7.1		6.2		(0.7)		(0.9)
Prior service cost		2.2		1.6		0.1		0.1
Net periodic benefit cost / (income) before adjustments		9.8		5.8		(0.1)		(0.2)
Settlement cost (b)		0.5		-		-		-
Net periodic benefit cost / (income)	$	10.3	$	5.8	$	(0.1)	$	(0.2)