STATEMENTS OF CONSOLIDATED COMPREHENSIVE INCOME (UNAUDITED) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Net Income	$ 47.1	$ 35.6
Net (losses) gains on cash flow hedging derivative instruments:
Net hedging (loss) gain arising during the period	(5.9)	(1.6)
Reclassification adjustment for (gains) losses included in net income	(0.1)	(1.2)
Net unrealized (losses) on cash flow hedging derivative instruments	(6.0)	(2.8)
Defined benefit pension and other postretirement plans:
Amortization of actuarial loss included in net periodic pension and postretirement benefit cost	0.1	0.1
Other Comprehensive Loss, Before Tax	(5.9)	(2.7)
Income Tax Benefit Related to Items of Other Comprehensive Income	(2.2)	(1.0)
Other Comprehensive Loss, Net of Tax	(3.7)	(1.7)
Comprehensive Income	43.4	33.9
Laclede Gas
Net Income	39.0	35.3
Net (losses) gains on cash flow hedging derivative instruments:
Net hedging (loss) gain arising during the period	(1.4)	0
Reclassification adjustment for (gains) losses included in net income	0.1	(0.1)
Net unrealized (losses) on cash flow hedging derivative instruments	(1.3)	(0.1)
Defined benefit pension and other postretirement plans:
Amortization of actuarial loss included in net periodic pension and postretirement benefit cost	0.1	0.1
Other Comprehensive Loss, Before Tax	(1.2)	0
Income Tax Benefit Related to Items of Other Comprehensive Income	(0.4)	0
Other Comprehensive Loss, Net of Tax	(0.8)	0
Comprehensive Income	$ 38.2	$ 35.3