Summary Of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2016

Schedule of Accumulated Other Comprehensive Income (Loss)

Accumulated Other Comprehensive Loss

Accumulated other comprehensive loss, net of tax, consisted of the following as of September 30, 2016 and December 31, 2015 (dollars in thousands):



	September 30,		December 31,
	2016		2015
Unfunded benefit obligation for pensions and other postretirement benefit plans - net of taxes of $4,092 and $3,580, respectively	$	7,599	$	6,650

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 nine months ended September 30 (dollars in thousands). Items in parenthesis indicate reductions to net income.



	Amounts Reclassified from Accumulated Other Comprehensive Loss
	Three months ended September 30,						Nine months ended September 30,
Details about Accumulated Other Comprehensive Loss Components	2016			2015			2016			2015			Affected Line Item in Statement of Income
Amortization of defined benefit pension items
Amortization of net prior service cost	$	(312	)	$	(273	)	$	(934	)	$	(819	)	(a)
Amortization of net loss	3,642			3,688			$	10,926		$	11,063		(a)
Adjustment due to effects of regulation	(3,115		)	(3,037		)	(11,453		)	(9,111		)	(a) (b)
	215			378			(1,461		)	1,133			Total before tax
	(75		)	(132		)	512			(396		)	Tax benefit (expense)
	$	140		$	246		$	(949	)	$	737		Net of tax


(a)	These accumulated other comprehensive loss components are included in the computation of net periodic pension cost (see Note 5 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 nine months ended September 30 (dollars in thousands):



	Three months ended September 30,				Nine months ended September 30,
	2016		2015		2016		2015
Utility related taxes	$	12,095	$	12,316	$	43,033	$	44,755
Property taxes	10,047		9,448		29,757		28,669
Other taxes	527		505		1,879		2,000
Total	$	22,669	$	22,269	$	74,669	$	75,424

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 September 30, 2016 and December 31, 2015 (dollars in thousands):



	September 30,		December 31,
	2016		2015
Materials and supplies	$	39,487	$	37,101
Fuel stock	4,754		4,273
Stored natural gas	13,839		12,774
Total	$	58,080	$	54,148