Other Comprehensive Income (Loss)

Changes in accumulated other comprehensive loss, net of tax, for the three and nine months ended Sept. 30, 2017 and 2016 were as follows:



	Three Months Ended Sept. 30, 2017
(Thousands of Dollars)	Gains and Losses on Cash Flow Hedges			Defined Benefit and Postretirement Items			Total
Accumulated other comprehensive loss at July 1	$	(659	)	$	(582	)	$	(1,241	)
Losses reclassified from net accumulated other comprehensive loss	10			16			26
Net current period other comprehensive income	10			16			26
Accumulated other comprehensive loss at Sept. 30	$	(649	)	$	(566	)	$	(1,215	)



	Three Months Ended Sept. 30, 2016
(Thousands of Dollars)	Gains and Losses on Cash Flow Hedges			Defined Benefit and Postretirement Items			Total
Accumulated other comprehensive loss at July 1	$	(732	)	$	(441	)	$	(1,173	)
Other comprehensive income before reclassifications	—			12			12
Losses reclassified from net accumulated other comprehensive loss	44			—			44
Net current period other comprehensive income	44			12			56
Accumulated other comprehensive loss at Sept. 30	$	(688	)	$	(429	)	$	(1,117	)



	Nine Months Ended Sept. 30, 2017
(Thousands of Dollars)	Gains and Losses on Cash Flow Hedges			Defined Benefit and Postretirement Items			Total
Accumulated other comprehensive loss at Jan. 1	$	(678	)	$	(612	)	$	(1,290	)
Losses reclassified from net accumulated other comprehensive loss	29			46			75
Net current period other comprehensive income	29			46			75
Accumulated other comprehensive loss at Sept. 30	$	(649	)	$	(566	)	$	(1,215	)



	Nine Months Ended Sept. 30, 2016
(Thousands of Dollars)	Gains and Losses on Cash Flow Hedges			Defined Benefit and Postretirement Items			Total
Accumulated other comprehensive loss at Jan. 1	$	(817	)	$	(464	)	$	(1,281	)
Other comprehensive income before reclassifications	—			35			35
Losses reclassified from net accumulated other comprehensive loss	129			—			129
Net current period other comprehensive income	129			35			164
Accumulated other comprehensive loss at Sept. 30	$	(688	)	$	(429	)	$	(1,117	)

Reclassifications from accumulated other comprehensive loss for the three and nine months ended Sept. 30, 2017 and 2016 were as follows:




	Amounts Reclassified from Accumulated Other Comprehensive Loss
(Thousands of Dollars)	Three Months Ended Sept. 30, 2017				Three Months Ended Sept. 30, 2016
Losses on cash flow hedges:
Interest rate derivatives	$	16		^(a)	$	69		^(a)
Total, pre-tax	16				69
Tax benefit	(6		)		(25		)
Total, net of tax	10				44
Defined benefit pension and postretirement losses:
Amortization of net loss	24			^(b)	—			^(b)
Total, pre-tax	24				—
Tax benefit	(8		)		—
Total, net of tax	16				—
Total amounts reclassified, net of tax	$	26			$	44



	Amounts Reclassified from Accumulated Other Comprehensive Loss
(Thousands of Dollars)	Nine Months Ended Sept. 30, 2017				Nine Months Ended Sept. 30, 2016
Losses on cash flow hedges:
Interest rate derivatives	$	47		^(a)	$	203		^(a)
Total, pre-tax	47				203
Tax benefit	(18		)		(74		)
Total, net of tax	29				129
Defined benefit pension and postretirement losses:
Amortization of net loss	72			^(b)	—			^(b)
Total, pre-tax	72				—
Tax benefit	(26		)		—
Total, net of tax	46				—
Total amounts reclassified, net of tax	$	75			$	129


^(a)	Included in interest charges.


^(b)	Included in the computation of net periodic pension and postretirement benefit costs. See Note 10 for details regarding these benefit plans.