CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013
Operating Revenues:
Gas Utility		$ 1,891.8	$ 1,462.6		$ 847.2
Gas Marketing and other		84.6	164.6		169.8
Total Operating Revenues		1,976.4	1,627.2		1,017.0
Gas Utility
Natural and propane gas		882.4	731.7		433.4
Other operation and maintenance expenses		390.6	287.8		180.3
Depreciation and amortization		129.9	82.4		48.3
Taxes, other than income taxes		142.1	112.0		60.1
Total Gas Utility Operating Expenses		1,545.0	1,213.9		722.1
Gas Marketing and other		158.9	246.9		198.4
Total Operating Expenses		1,703.9	1,460.8		920.5
Operating Income		272.5	166.4		96.5
Other Income and (Income Deductions) – Net		1.2	(3.3)		2.5
Interest Charges:
Interest on long-term debt		66.6	39.3		25.5
Other interest charges		8.0	6.9		3.1
Total Interest Charges		74.6	46.2		28.6
Income Before Income Taxes		199.1	116.9		70.4
Income Tax Expense		62.2	32.3		17.6
Net Income		$ 136.9	$ 84.6		$ 52.8
Weighted Average Number of Common Shares Outstanding:
Basic (in shares)		43.2	35.8		25.9
Diluted (in shares)		43.3	35.9		26.0
Basic Earnings Per Share of Common Stock (in dollars per share)		$ 3.16	$ 2.36		$ 2.03
Diluted Earnings Per Share of Common Stock (in dollars per share)		$ 3.16	$ 2.35		$ 2.02
Laclede Gas
Operating Revenues:
Gas Utility		$ 1,416.6	$ 1,448.1		$ 857.8
Other		0.0	0.1		1.6
Total Operating Revenues		1,416.6	1,448.2		859.4
Gas Utility
Natural and propane gas		786.1	816.9		469.1
Other operation and maintenance expenses		253.6	276.4		180.7
Depreciation and amortization		82.6	78.5		48.3
Taxes, other than income taxes		108.9	110.1		60.1
Total Gas Utility Operating Expenses		1,231.2	1,281.9		758.2
Gas Marketing and other		0.0	(0.1)		13.7
Total Operating Expenses		1,231.2	1,281.8		771.9
Operating Income		185.4	166.4		87.5
Other Income and (Income Deductions) – Net		(0.5)	(3.4)		2.0
Interest Charges:
Interest on long-term debt		33.1	34.4		24.9
Other interest charges		3.3	3.0		1.2
Total Interest Charges		36.4	37.4		26.1
Income Before Income Taxes		148.5	125.6		63.4
Income Tax Expense		43.2	35.5		14.6
Net Income		105.3	$ 90.1		$ 48.8
Alagasco
Operating Revenues:
Gas Utility	$ 417.2	479.2		$ 533.3
Total Operating Revenues	417.2	479.2		533.3
Gas Utility
Natural and propane gas	184.5	171.5		215.5
Other operation and maintenance expenses	107.5	138.0		143.1
Depreciation and amortization	34.4	47.3		43.9
Taxes, other than income taxes	28.6	33.2		37.1
Total Operating Expenses	355.0	390.0		439.6
Operating Income	62.2	89.2		93.7
Other Income and (Income Deductions) – Net	2.2	2.0		14.0
Interest Charges:
Interest on long-term debt	10.1	11.6		13.5
Other interest charges	1.4	2.3		2.1
Total Interest Charges	11.5	13.9		15.6
Income Before Income Taxes	52.9	77.3		92.1
Income Tax Expense	19.9	29.3		34.7
Net Income	$ 33.0	$ 48.0		$ 57.4