ACCUMULATED OTHER COMPREHENSIVE LOSS

9 Months Ended

Sep. 30, 2014

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

ACCUMULATED OTHER COMPREHENSIVE LOSS

Accumulated Other Comprehensive Loss

The following tables show the changes, net of tax, to our accumulated other comprehensive loss:

	Three Months Ended September 30, 2014									Nine Months Ended September 30, 2014
(Millions)	Cash Flow Hedges			Defined Benefit Plans			Accumulated Other Comprehensive Loss			Cash Flow Hedges			Defined Benefit Plans			Accumulated Other Comprehensive Loss
Balance at the beginning of period	$	(3.5	)	$	(19.4	)	$	(22.9	)	$	(3.1	)	$	(20.1	)	$	(23.2	)
Other comprehensive loss before reclassifications	—			—			—			—			(0.1		)	(0.1		)
Amounts reclassified out of accumulated other comprehensive loss	0.1			0.4			0.5			(0.3		)	1.2			0.9
Net current period other comprehensive income (loss)	0.1			0.4			0.5			(0.3		)	1.1			0.8
Balance at the end of period	$	(3.4	)	$	(19.0	)	$	(22.4	)	$	(3.4	)	$	(19.0	)	$	(22.4	)

	Three Months Ended September 30, 2013									Nine Months Ended September 30, 2013
(Millions)	Cash Flow Hedges			Defined Benefit Plans			Accumulated Other Comprehensive Loss			Cash Flow Hedges			Defined Benefit Plans			Accumulated Other Comprehensive Loss
Balance at the beginning of period	$	(2.1	)	$	(34.5	)	$	(36.6	)	$	(5.2	)	$	(35.7	)	$	(40.9	)
Other comprehensive income before reclassifications	—			—			—			0.7			—			0.7
Amounts reclassified out of accumulated other comprehensive loss	0.3			0.6			0.9			2.7			1.8			4.5
Net current period other comprehensive income	0.3			0.6			0.9			3.4			1.8			5.2
Balance at the end of period	$	(1.8	)	$	(33.9	)	$	(35.7	)	$	(1.8	)	$	(33.9	)	$	(35.7	)

The following table shows the reclassifications out of accumulated other comprehensive loss during the three and nine months endedSeptember 30:

	Amount Reclassified
	Three Months Ended					Nine Months Ended						Affected Line Item in the Statements of Income
	September 30					September 30
(Millions)	2014		2013			2014			2013
Losses (gains) on cash flow hedges
Utility commodity derivative contracts	$	—	$	—		$	—		$	0.2		Operating and maintenance expense (1) (2)
Nonregulated commodity derivative contracts	—		0.2			—			3.4			Nonregulated revenues (2)
Interest rate hedges	0.3		0.3			0.8			0.8			Interest expense
	0.3		0.5			0.8			4.4			Total before tax
	0.2		0.2			1.1			1.7			Tax expense
	0.1		0.3			(0.3		)	2.7			Net of tax
Defined benefit plans
Amortization of prior service credits	—		(0.1		)	(0.1		)	(0.2		)	(3)
Amortization of net actuarial losses	0.6		1.1			2.0			3.2			(3)
	0.6		1.0			1.9			3.0			Total before tax
	0.2		0.4			0.7			1.2			Tax expense
	0.4		0.6			1.2			1.8			Net of tax
Total reclassifications	$	0.5	$	0.9		$	0.9		$	4.5

⁽¹⁾  This item relates to changes in the price of natural gas used to support utility operations.

⁽²⁾  We no longer designate commodity contracts as cash flow hedges.

⁽³⁾  These items are included in the computation of net periodic benefit cost. See Note 15, Employee Benefit Plans, for more information.