Accumulated Other Comprehensive Income (Loss)

3 Months Ended

Mar. 31, 2013

Equity [Abstract]

Accumulated Other Comprehensive Income (Loss)

ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)

The following table provides changes in the components of accumulated other comprehensive income (loss), net of the related income tax effects.

(in thousands)	Cash Flow Hedges			Pension and Postretirement Plans			Total
Balance as of December 31, 2012	$	44,196		$	(52,507	)	$	(8,311	)
Other comprehensive income (loss) before reclassifications	(26,818		)	—			(26,818		)
Amounts reclassified from accumulated other comprehensive income (loss)	(10,454		)	1,808			(8,646		)
Change in accumulated other comprehensive income (loss)	(37,272		)	1,808			(35,464		)
Balance as of March 31, 2013	$	6,924		$	(50,699	)	$	(43,775	)

The following table provides details of the reclassifications out of accumulated other comprehensive income (loss).

	Three months ended
	March 31, 2013
(in thousands)	Amounts Reclassified			Line Item Where Presented
Gains and (losses) on cash flow hedges:
Commodity contracts	$	17,290		Operating revenues
Interest rate swap	(409		)	Interest expense
Total cash flow hedges	16,881
Income tax expense	(6,427		)
Net of tax	10,454
Pension and postretirement plans:
Transition obligation	(74		)	Operations and maintenance
Prior service cost	(78		)	Operations and maintenance
Actuarial losses*	(2,254		)	Operations and maintenance
Actuarial losses on settlement charges*	(375		)	Regulatory asset
Total pension and postretirment plans	(2,781		)
Income tax expense	973
Net of tax	(1,808		)
Total reclassifications for the period	$	8,646

* In the first quarter of 2013, the Company incurred a settlement charge of $0.5 million for the payment of lump sums from the nonqualified supplemental retirement plans, of which $0.1 million is recognized in actuarial losses above and $0.4 million is recognized as a regulatory asset at Alagasco and reported in actuarial losses on settlement charges above.