Supplemental Financial Information

3 Months Ended

Mar. 31, 2018

Supplemental Financial Information [Line Items]

Accounts receivable and Inventories are as follows at March 31, 2018 and December 31, 2017:



	March 31,			December 31,
$ in millions	2018			2017
Accounts receivable, net:
Unbilled revenue	$	12.1		$	18.0
Customer receivables	65.7			57.8
Amounts due from partners in jointly-owned plants	13.6			19.1
Other	10.9			4.9
Provision for uncollectible accounts	(1.1		)	(1.1		)
Total accounts receivable, net	$	101.2		$	98.7

Inventories, at average cost:
Fuel and limestone	$	13.3		$	15.5
Plant materials and supplies	8.4			8.5
Other	0.6			0.5
Total inventories, at average cost	$	22.3		$	24.5

Accumulated Other Comprehensive Income / (Loss)

The amounts reclassified out of Accumulated Other Comprehensive Income / (Loss) by component during the three months ended March 31, 2018 and 2017 are as follows:



Details about Accumulated Other Comprehensive Income / (Loss) components	Affected line item in the Condensed Consolidated Statements of Operations	Three months ended
		March 31,
$ in millions		2018			2017
Gains and losses on equity securities (Note 5):
	Other income	$	—		$	(0.1	)
	Retained earnings	(1.6		)	—
	Tax expense	0.6			—
	Net of income taxes	(1.0		)	(0.1		)

Gains and losses on cash flow hedges (Note 6):
	Interest expense	(1.1		)	(0.3		)
	Revenue	(2.0		)	(1.5		)
	Purchased power	6.2			3.3
	Total before income taxes	3.1			1.5
	Tax benefit	(0.8		)	(0.5		)
	Net of income taxes	2.3			1.0

Amortization of defined benefit pension items (Note 9):
	Operation and maintenance	0.2			1.3
	Tax benefit	(0.1		)	(0.5		)
	Net of income taxes	0.1			0.8

Total reclassifications for the period, net of income taxes		$	1.4		$	1.7

The changes in the components of Accumulated Other Comprehensive Income / (Loss) during the three months ended March 31, 2018 are as follows:



$ in millions	Gains / (losses) on equity securities			Gains / (losses) on cash flow hedges		Change in unfunded pension obligation			Total
Balance at January 1, 2018	$	1.0		$	14.7	$	(14.9	)	$	0.8

Other comprehensive income before reclassifications	—			0.9		—			0.9
Amounts reclassified from accumulated other comprehensive income / (loss) to earnings	—			2.3		0.1			2.4
Amounts reclassified from accumulated other comprehensive income / (loss) to Retained earnings	(1.0		)	—		—			(1.0		)
Net current period other comprehensive income / (loss)	(1.0		)	3.2		0.1			2.3

Balance at March 31, 2018	$	—		$	17.9	$	(14.8	)	$	3.1

Operating expenses - other

Operating expenses - other generally includes gains or losses on asset sales or dispositions, insurance recoveries, gains or losses on the sale of businesses and other expense or income from miscellaneous transactions. The components are summarized as follows:



	Three months ended
	March 31,
$ in millions	2018		2017
Loss on asset disposal, net	$	0.6	$	19.4
Loss on disposal and sale of businesses	13.6		—
Insurance recoveries	—		(1.2		)
Other	0.7		—
Net other expense / (income)	$	14.9	$	18.2

THE DAYTON POWER AND LIGHT COMPANY [Member]

Supplemental Financial Information [Line Items]

Supplemental Financial Information

Accounts receivable and Inventories are as follows at March 31, 2018 and December 31, 2017:



	March 31,			December 31,
$ in millions	2018			2017
Accounts receivable, net:
Unbilled revenue	$	12.1		$	18.0
Customer receivables	49.8			44.2
Amounts due from affiliates	3.8			—
Amounts due from partners in jointly-owned plants	2.1			5.0
Other	6.3			4.7
Provision for uncollectible accounts	(1.1		)	(1.1		)
Total accounts receivable, net	$	73.0		$	70.8


Inventories, at average cost:
Plant materials and supplies	$	7.0		$	6.9
Other	0.6			0.4
Total inventories, at average cost	$	7.6		$	7.3

Accumulated Other Comprehensive Income / (Loss)

The amounts reclassified out of Accumulated Other Comprehensive Income / (Loss) by component during the three months ended March 31, 2018 and 2017 are as follows:



Details about Accumulated Other Comprehensive Income / (Loss) components	Affected line item in the Condensed Statements of Operations	Three months ended
		March 31,
$ in millions		2018			2017
Gains and losses on equity securities activity (Note 5):
	Other income	$	—		$	(0.1	)
	Retained earnings	(1.7		)	—
	Tax benefit	0.6			—
	Net of income taxes	(1.1		)	(0.1		)

Gains and losses on cash flow hedges (Note 6):
	Interest expense	(0.8		)	(0.3		)
	Tax benefit from continuing operations	0.5			0.1
	Gain from discontinued operations	—			1.8
	Tax expense from discontinued operations	—			(0.6		)
	Net of income taxes	(0.3		)	1.0

Amortization of defined benefit pension items (Note 9):
	Operation and maintenance	1.1			3.8
	Tax expense	(0.2		)	(1.3		)
	Net of income taxes	0.9			2.5

Total reclassifications for the period, net of income taxes		$	(0.5	)	$	3.4

The changes in the components of Accumulated Other Comprehensive Income / (Loss) during the three months ended March 31, 2018 are as follows:



$ in millions	Gains / (losses) on equity securities			Gains / (losses) on cash flow hedges			Change in unfunded pension obligation			Total
Balance at January 1, 2018	$	1.1		$	1.4		$	(38.7	)	$	(36.2	)

Other comprehensive income before reclassifications	—			0.5			—			0.5
Amounts reclassified from accumulated other comprehensive income / (loss) to earnings	—			(0.3		)	0.9			0.6
Amounts reclassified from accumulated other comprehensive income / (loss) to Retained earnings	(1.1		)	—			—			(1.1		)
Net current period other comprehensive income / (loss)	(1.1		)	0.2			0.9			—

Balance at March 31, 2018	$	—		$	1.6		$	(37.8	)	$	(36.2	)