LONG-TERM DEBT (Tables)

12 Months Ended

Sep. 30, 2015

Debt Disclosure [Abstract]

Schedule of maturities of long-term debt by fiscal year

Maturities of long-term debt for Laclede Group, Laclede Gas and Alagasco for the five fiscal years subsequent to September 30, 2015 are as follows:

	Laclede Group		Laclede Gas		Alagasco
2016	$	80.0	$	—	$	80.0
2017	250.0		—		—
2018	100.0		100.0		—
2019	175.0		50.0		—
2020	40.0		—		40.0