ACCOUNTING POLICIES (Tables)

9 Months Ended

Sep. 30, 2011

ACCOUNTING POLICIES - (Tables) [Abstract]

Schedule of Regulatory Assets [Table]

	September 30		December 31		September 30
	2011		2010		2010
Regulatory assets - current
Regulatory postretirement asset	$	21.1	$	21.1	$	20.6
Deferred gas costs		17.7		6.5		18.1
Bad debt rider		-		-		4.2
Other		9.7		7.4		7.2
Regulatory assets - noncurrent
Regulatory postretirement asset		181.7		193.3		183.6
Deferred gas costs		-		1.4		4.3
Deferred environmental costs		46.6		25.0		24.8
Unamortized losses on reacquired debt		12.3		13.1		13.4
Other		6.7		9.6		11.4
	$	295.8	$	277.4	$	287.6

Schedule of Regulatory Liabilities [Table]

Regulatory liabilities - current
Regulatory asset retirement liability	$	17.2	$	17.2	$	14.5
Bad debt rider		26.9		16.4		-
Other		2.3		7.7		11.5
Regulatory liabilities - noncurrent
Regulatory asset retirement liability		878.5		843.9		836.0
Regulatory income tax liability		13.1		18.2		19.1
Bad debt rider		16.4		11.7		9.3
Other		1.5		.9		.9
	$	955.9	$	916.0	$	891.3