Other Comprehensive Income (Tables)

3 Months Ended

Mar. 31, 2013

Other Comprehensive Income [Abstract]

Changes in Accumulated Other Comprehensive Loss, Net of Tax

Changes in accumulated other comprehensive loss, net of tax, for the three months ended March 31, 2013 were as follows:

(Thousands of Dollars)	Gains and Losses on Cash Flow Hedges
Accumulated other comprehensive loss at Jan. 1	$	(22,871	)
Other comprehensive income before reclassifications		7
Gains reclassified from net accumulated other comprehensive loss		(118	)
Net current period other comprehensive loss		(111	)
Accumulated other comprehensive loss at March 31	$	(22,982	)

Reclassification out of Accumulated Other Comprehensive Loss

Reclassifications from accumulated other comprehensive loss for the three months ended March 31, 2013 were as follows:

(Thousands of Dollars)	Amounts Reclassified from Accumulated Other Comprehensive Loss
Gains on cash flow hedges:
Interest rate derivatives	$	(180	) (a)
Vehicle fuel derivatives		(12	) (b)
Total, pre-tax		(192	)
Tax expense		74
Total amounts reclassified, net of tax	$	(118	)

(a) Included in interest charges.

(b) Included in O&M expenses.