ACCOUNTING POLICIES (Tables)

6 Months Ended

Jun. 30, 2011

ACCOUNTING POLICIES - (Tables) [Abstract]

Schedule of Regulatory Assets [Table]

	June 30		December 31		June 30
	2011		2010		2010
Regulatory assets - current
Regulatory postretirement asset	$	21.1	$	21.1	$	20.6
Deferred gas costs		-		6.5		-
Bad debt rider		-		-		18.7
Other		10.5		7.4		7.2
Regulatory assets - noncurrent
Regulatory postretirement asset		185.6		193.3		187.6
Deferred gas costs		-		1.4		7.8
Deferred environmental costs		45.5		25.0		23.1
Unamortized losses on reacquired debt		12.6		13.1		13.7
Other		8.5		9.6		12.4
	$	283.8	$	277.4	$	291.1

Schedule of Regulatory Liabilities [Table]

Regulatory liabilities - current
Regulatory asset retirement liability	$	17.2	$	17.2	$	14.5
Accrued gas costs		1.3		-		15.5
Bad debt rider		26.6		16.4		-
Other		2.4		7.7		12.8
Regulatory liabilities - noncurrent
Regulatory asset retirement liability		866.9		843.9		825.7
Regulatory income tax liability		13.8		18.2		20.2
Bad debt rider		10.7		11.7		3.1
Other		1.2		.9		.8
	$	940.1	$	916.0	$	892.6