ACCUMULATED OTHER COMPREHENSIVE INCOME (Tables)

12 Months Ended

Dec. 31, 2013

Notes To Consolidated Financial Statements [Abstract]

Schedule Of Accumulated Other Comprehensive Income Loss Table Text Block

	For the Year Ended December 31, 2013
			Unrealized
	Qualified Cash		Gains/(Losses) on		Pension, SERP
	Flow Hedging		Available-for-Sale		and PBOP
(Millions of Dollars)	Instruments		Securities		Benefit Plans		Total
AOCI as of January 1, 2013	$	(16.4)	$	1.3	$	(57.8)	$	(72.9)
Other Comprehensive Income Before Reclassifications		-		(0.9)		19.4		18.5
Amounts Reclassified from AOCI		2.0		-		6.4		8.4
Net Other Comprehensive Income		2.0		(0.9)		25.8		26.9
AOCI as of December 31, 2013	$	(14.4)	$	0.4	$	(32.0)	$	(46.0)

Schedule Of Comprehensive Income Loss [Table Text Block]

	For the Years Ended December 31,
	2013		2012		2011
	Amount Reclassified		Amount Reclassified		Amount Reclassified		Statements of Income
(Millions of Dollars)	from AOCI		from AOCI		from AOCI		Line Item Impacted
Qualified Cash Flow Hedging Instruments	$	(3.4)	$	(3.3)	$	(1.3)	Interest Expense
Tax Effect		1.4		1.3		0.6	Income Tax Expense
Qualified Cash Flow Hedging Instruments, Net of Tax	$	(2.0)	$	(2.0)	$	(0.7)
Pension, SERP and PBOP Benefit Plan Costs:
Amortization of Actuarial Losses	$	(10.5)	$	(8.9)	$	(5.7)	Operations and Maintenance (1)
Amortization of Prior Service Cost		(0.2)		(0.2)		(0.3)	Operations and Maintenance (1)
Amortization of Transition Obligation		-		(0.2)		(0.2)	Operations and Maintenance (1)
Total Pension, SERP and PBOP Benefit Plan Costs		(10.7)		(9.3)		(6.2)	Operations and Maintenance (1)
Tax Effect		4.3		3.5		2.3	Income Tax Expense
Pension, SERP and PBOP Benefit Plan Costs,
Net of Tax	$	(6.4)	$	(5.8)	$	(3.9)
Total Amount Reclassified from AOCI, Net of Tax	$	(8.4)	$	(7.8)	$	(4.6)