Other Comprehensive Income (Tables)

3 Months Ended

Mar. 31, 2017

Changes in accumulated other comprehensive loss, net of tax, for the three months ended March 31, 2017 and 2016 were as follows:



	Three Months Ended March 31, 2017
(Thousands of Dollars)	Gains and Losses on Cash Flow Hedges			Defined Benefit and Postretirement Items			Total
Accumulated other comprehensive loss at Jan. 1	$	(22,780	)	$	(220	)	$	(23,000	)
Losses reclassified from net accumulated other comprehensive loss	246			1			247
Net current period other comprehensive income	246			1			247
Accumulated other comprehensive loss at March 31	$	(22,534	)	$	(219	)	$	(22,753	)



	Three Months Ended March 31, 2016
(Thousands of Dollars)	Gains and Losses on Cash Flow Hedges			Defined Benefit and Postretirement Items			Total
Accumulated other comprehensive loss at Jan. 1	$	(23,836	)	$	—		$	(23,836	)
Other comprehensive loss before reclassifications	(2		)	(219		)	(221		)
Losses reclassified from net accumulated other comprehensive loss	264			—			264
Net current period other comprehensive loss	262			(219		)	43
Accumulated other comprehensive loss at March 31	$	(23,574	)	$	(219	)	$	(23,793	)

Reclassifications from accumulated other comprehensive loss for the three months ended March 31, 2017 and 2016 were as follows:



	Amounts Reclassified from Accumulated Other Comprehensive Loss
(Thousands of Dollars)	Three Months Ended March 31, 2017				Three Months Ended March 31, 2016
Losses on cash flow hedges:
Interest rate derivatives	$	398		^(a)	$	402		^(a)
Vehicle fuel derivatives	—			^(b)	25			^(b)
Total, pre-tax	398				427
Tax benefit	(152		)		(163		)
Total, net of tax	$	246			$	264
Defined benefit pension and postretirement losses:
Amortization of net loss	$	2		^(c)	$	—
Total, pre-tax	2				—
Tax benefit	(1		)		—
Total, net of tax	1				—
Total amounts reclassified, net of tax	$	247			$	264


^(a)	Included in interest charges.


^(b)	Included in O&M expenses.