ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) ACCUMULATED OTHER COMPREHENSIVE INCOME (Tables)

9 Months Ended

Sep. 30, 2019

Accumulated Other Comprehensive Income (Loss)

The following table sets forth the balance in accumulated other comprehensive loss for the period indicated:



	Risk- Management Assets/Liabilities (a)			Retirement and Other Postretirement Benefit Plan Obligations (a) (b)			Risk- Management Assets/Liabilities of Unconsolidated Affiliates (a)			Accumulated Other Comprehensive Loss (a)
	(Thousands of dollars)
January 1, 2019	$	(64,660	)	$	(121,785	)	$	(1,794	)	$	(188,239	)
Other comprehensive loss before reclassifications	(199,795		)	(63		)	(10,567		)	(210,425		)
Amounts reclassified to net income	(29,748		)	7,334			(26		)	(22,440		)
Other comprehensive income (loss)	(229,543		)	7,271			(10,593		)	(232,865		)
September 30, 2019	$	(294,203	)	$	(114,514	)	$	(12,387	)	$	(421,104	)

(a) - All amounts are presented net of tax.

(b) - Includes amounts related to supplemental executive retirement plan.

Reclassification out of Accumulated Other Comprehensive Income (Loss)

The following table sets forth the effect of reclassifications from accumulated other comprehensive loss to net income for the periods indicated:



Details about Accumulated Other Comprehensive Loss Components	Three Months Ended						Nine Months Ended						Affected Line Item in the Consolidated Statements of Income
	September 30,						September 30,
	2019			2018			2019			2018
	(Thousands of dollars)
Risk-management assets/liabilities
Commodity contracts	$	18,528		$	(20,630	)	$	52,624		$	(42,430	)	Commodity sales revenues/cost of sales and fuel
Interest-rate contracts	(6,903		)	(4,383		)	(14,222		)	(13,929		)	Interest expense
	11,625			(25,013		)	38,402			(56,359		)	Income before income taxes
	(2,673		)	5,752			(8,654		)	12,962			Income taxes
	$	8,952		$	(19,261	)	$	29,748		$	(43,397	)	Net income

Retirement and other postretirement benefit plan obligations (a)
Amortization of net loss	$	(3,232	)	$	(4,592	)	$	(9,696	)	$	(13,776	)	Other income (expense)
Amortization of unrecognized prior service credit	57			415			171			1,245			Other income (expense)
	(3,175		)	(4,177		)	(9,525		)	(12,531		)	Income before income taxes
	731			961			2,191			2,882			Income taxes
	$	(2,444	)	$	(3,216	)	$	(7,334	)	$	(9,649	)	Net income

Risk-management assets/liabilities of unconsolidated affiliates
Interest-rate contracts	$	(59	)	$	52		$	34		$	71		Equity in net earnings from investments
	13			(12		)	(8		)	(16		)	Income taxes
	$	(46	)	$	40		$	26		$	55		Net income

Total reclassifications for the period	$	6,462		$	(22,437	)	$	22,440		$	(52,991	)	Net income

(a) - These components of accumulated other comprehensive loss are included in the computation of net periodic benefit cost. See Note H for additional detail of our net periodic benefit cost.

Schedule of Accumulated Other Comprehensive Income (Loss) for Risk-Management Assets/Liabilities [Table Text Block]

The following table sets forth information about the balance of accumulated other comprehensive loss at September 30, 2019, representing unrealized gains (losses) related to risk-management assets and liabilities:



	Risk- Management Assets/Liabilities (a)
	(Thousands of dollars)
Commodity derivative instruments expected to be realized within the next 27 months (b)	$	30,258
Settled interest-rate swaps to be recognized over the life of the long-term, fixed-rate debt (c)	(111,275		)
Interest-rate swaps with future settlement dates expected to be amortized over the life of long-term debt	(213,186		)
Accumulated other comprehensive loss at September 30, 2019	$	(294,203	)

(a) - All amounts are presented net of tax.

(b) - Based on September 30, 2019, commodity prices, we will realize $27.9 million in net gains, net of tax, over the next 12 months and $2.4 million in net gains, net of tax, thereafter.

(c) - Losses of $19.7 million, net of tax, will be reclassified into earnings during the next 12 months as the hedged items affect earnings.