Other Comprehensive Income

9 Months Ended

Sep. 30, 2016

Stockholders' Equity Note [Abstract]

Other Comprehensive Income

anges in accumulated other comprehensive loss, net of tax, for the three and nine months ended Sept. 30, 2016 and 2015 were as follows:

	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	)

	Three Months Ended Sept. 30, 2015
(Thousands of Dollars)	Gains and Losses on Cash Flow Hedges
Accumulated other comprehensive loss at July 1	$	(904	)
Losses reclassified from net accumulated other comprehensive loss	44
Net current period other comprehensive income	44
Accumulated other comprehensive loss at Sept. 30	$	(860	)

	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	)

	Nine Months Ended Sept. 30, 2015
(Thousands of Dollars)	Gains and Losses on Cash Flow Hedges
Accumulated other comprehensive loss at Jan. 1	$	(989	)
Losses reclassified from net accumulated other comprehensive loss	129
Net current period other comprehensive loss	129
Accumulated other comprehensive loss at Sept. 30	$	(860	)

Reclassifications from accumulated other comprehensive loss for the three and nine months ended Sept. 30, 2016 and 2015 were as follows:

	Amounts Reclassified from Accumulated Other Comprehensive Loss
(Thousands of Dollars)	Three Months Ended Sept. 30, 2016				Three Months Ended Sept. 30, 2015
Losses on cash flow hedges:
Interest rate derivatives	$	69		(a)	$	68		(a)
Total, pre-tax	69				68
Tax benefit	(25		)		(24		)
Total amounts reclassified, net of tax	$	44			$	44

	Amounts Reclassified from Accumulated Other Comprehensive Loss
(Thousands of Dollars)	Nine Months Ended Sept. 30, 2016				Nine Months Ended Sept. 30, 2015
Losses on cash flow hedges:
Interest rate derivatives	$	203		(a)	$	201		(a)
Total, pre-tax	203				201
Tax benefit	(74		)		(72		)
Total amounts reclassified, net of tax	$	129			$	129

^(a)  Included in interest charges.