Summary Of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2017

Schedule of Accumulated Other Comprehensive Income (Loss)

Accumulated Other Comprehensive Loss

Accumulated other comprehensive loss, net of tax, consisted of the following as of June 30, 2017 and December 31, 2016 (dollars in thousands):



	June 30,		December 31,
	2017		2016
Unfunded benefit obligation for pensions and other postretirement benefit plans - net of taxes of $3,878 and $4,075, respectively	$	7,202	$	7,568

Reclassifications Out of Accumulated Other Comprehensive Loss by Component

The following table details the reclassifications out of accumulated other comprehensive loss by component for the three and six months ended June 30 (dollars in thousands).



	Amounts Reclassified from Accumulated Other Comprehensive Loss
	Three months ended June 30,						Six months ended June 30,
Details about Accumulated Other Comprehensive Loss Components	2017			2016			2017			2016			Affected Line Item in Statement of Income
Amortization of defined benefit pension items
Amortization of net prior service cost	$	(299	)	$	(311	)	$	(598	)	$	(622	)	(a)
Amortization of net loss	3,638			3,642			$	7,276		$	7,284		(a)
Adjustment due to effects of regulation	(3,057		)	(3,115		)	(6,115		)	(8,338		)	(a) (b)
	282			216			563			(1,676		)	Total before tax
	(99		)	(76		)	(197		)	587			Tax benefit (expense)
	$	183		$	140		$	366		$	(1,089	)	Net of tax


(a)	These accumulated other comprehensive loss components are included in the computation of net periodic pension cost (see Note 4 for additional details).

Utility Taxes

Utility related taxes collected from customers (primarily state excise taxes and city utility taxes) are recorded as operating revenue and expense. Taxes other than income taxes consisted of the following items for the three and six months ended June 30 (dollars in thousands):



	Three months ended June 30,				Six months ended June 30,
	2017		2016		2017		2016
Utility related taxes	$	13,552	$	12,573	$	35,136	$	30,938
Property taxes	9,432		9,290		19,838		19,710
Other taxes	818		752		1,490		1,352
Total	$	23,802	$	22,615	$	56,464	$	52,000

Materials And Supplies Fuel Stock And Natural Gas Stored

Inventories of materials and supplies, fuel stock and stored natural gas are recorded at average cost for our regulated operations and the lower of cost or net realizable value for our non-regulated operations and consisted of the following as of June 30, 2017 and December 31, 2016 (dollars in thousands):



	June 30,		December 31,
	2017		2016
Materials and supplies	$	41,492	$	40,700
Fuel stock	5,921		4,585
Stored natural gas	13,774		8,029
Total	$	61,187	$	53,314