SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

3 Months Ended

Dec. 31, 2014

Accounting Policies [Abstract]

Schedule of goodwill

The following table represents total goodwill of Laclede Group and Laclede Gas:

($ Millions)	Laclede Group				Laclede Gas
Acquisition	December 31, 2014		September 30, 2014		December 31, 2014		September 30, 2014
MGE	$	210.2	$	210.2	$	210.2	$	210.2
Alagasco	727.6		727.6		—		—
Total	$	937.8	$	937.8	$	210.2	$	210.2