DERIVATIVE INSTRUMENTS (Tables)

6 Months Ended

Jun. 30, 2011

DERIVATIVE INSTRUMENTS [Abstract]

Classification of derivative assets and liabilities in the Consolidated Balance Sheets

	June 30		December 31		June 30
	2011		2010		2010
Derivatives designated as hedging instruments
Assets
Derivative instruments	$	.3	$	.4	$	.1
Other - noncurrent		-		1.0		-
	$	.3	$	1.4	$	.1
Liabilities
Derivative instruments	$	.8	$	2.2	$	1.6
Other - noncurrent		-		3.2		4.7
	$	.8	$	5.4	$	6.3

	June 30		December 31		June 30
	2011		2010		2010
Derivatives not designated as hedging instruments
Assets
Derivative instruments	$	36.3	$	48.7	$	44.3
Other - noncurrent		11.4		17.2		14.0
	$	47.7	$	65.9	$	58.3
Liabilities
Derivative instruments	$	56.5	$	80.7	$	86.5
Other - noncurrent		9.1		16.1		21.6
	$	65.6	$	96.8	$	108.1

Pretax gain (loss) recognized in Consolidated Statements of Income - cash flow hedges

	Three months ended June 30				Six months ended June 30
	2011		2010		2011		2010
Pretax loss recognized in other comprehensive income	$	3.5	$	4.3	$	3.3	$	7.3

	Three months ended June 30				Six months ended June 30
Location	2011		2010		2011		2010
Operating revenues	$	.1	$	.6	$	1.4	$	1.0
Operating and maintenance		.2		.3		.5		.6
	$	.3	$	.9	$	1.9	$	1.6

Pretax gain (loss) recognized in Consolidated Statements of Income - derivatives not designated as hedges

	Three months ended June 30						Six months ended June 30
Location	2011			2010			2011			2010
Operating revenues	$	(4.0	)	$	(.4	)	$	(4.2	)	$	(1.4	)
Operating and maintenance		-			.2			(.1	)		(.7	)
	$	(4.0	)	$	(.2	)	$	(4.3	)	$	(2.1	)