CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Millions	Mar. 31, 2017	Sep. 30, 2016	Mar. 31, 2016
ASSETS
Utility Plant	$ 4,978.8	$ 4,793.6	$ 4,271.3
Less: Accumulated depreciation and amortization	1,585.9	1,506.4	1,286.1
Net Utility Plant	3,392.9	3,287.2	2,985.2
Non-utility Property (net of accumulated depreciation and amortization of $8.3, $8.1 and $7.8 at March 31, 2017, September 30, 2016, and March 31, 2016, respectively)	26.6	13.7	13.8
Goodwill	1,163.9	1,164.9	946.0
Other Property and Investments	63.2	62.1	61.1
Total Other Property and Investments	1,253.7	1,240.7	1,020.9
Current Assets:
Cash and cash equivalents	19.6	5.2	8.7
Accounts receivable:
Utility	238.5	127.8	217.1
Other	127.9	113.4	66.8
Allowance for doubtful accounts	(20.8)	(20.5)	(18.9)
Delayed customer billings	11.6	1.6	10.1
Inventories:
Natural gas	117.6	174.0	97.5
Propane gas	12.0	12.0	12.0
Materials and supplies	16.8	16.3	14.5
Natural gas receivable	7.8	9.7	19.5
Derivative instrument assets	8.2	11.4	7.6
Unamortized purchased gas adjustments	61.0	49.7	8.9
Other regulatory assets	64.8	44.2	32.4
Prepayments and other	19.3	24.8	27.6
Total Current Assets	684.3	569.6	503.8
Deferred Charges:
Regulatory assets	827.7	838.0	732.6
Other	98.1	128.9	65.0
Total Deferred Charges	925.8	966.9	797.6
Total Assets	6,256.7	6,064.4	5,307.5
Capitalization:
Common stock	45.7	45.6	43.4
Paid-in capital	1,177.7	1,175.9	1,040.3
Retained earnings	655.9	550.9	599.4
Accumulated other comprehensive income (loss)	3.7	(4.2)	(1.7)
Total Common Stock Equity	1,883.0	1,768.2	1,681.4
Long-term debt (less current portion)	1,925.3	1,820.7	1,839.3
Total Capitalization	3,808.3	3,588.9	3,520.7
Current Liabilities:
Current portion of long-term debt	0.0	250.0	0.0
Notes payable	567.4	398.7	253.6
Accounts payable	218.6	210.9	127.1
Advance customer billings	14.5	70.2	31.7
Wages and compensation accrued	29.0	39.8	26.6
Dividends payable	24.9	23.5	22.1
Customer deposits	35.7	34.9	33.0
Interest accrued	15.3	14.8	14.3
Taxes accrued	46.7	55.2	36.8
Unamortized purchased gas adjustments	1.6	1.7	4.3
Regulatory liabilities	29.7	28.9	33.8
Other	31.9	32.7	35.5
Total Current Liabilities	1,015.3	1,161.3	618.8
Deferred Credits and Other Liabilities:
Deferred income taxes	690.6	607.3	564.2
Pension and postretirement benefit costs	308.1	303.7	254.8
Asset retirement obligations	212.4	206.4	162.8
Regulatory liabilities	144.1	130.7	110.7
Other	77.9	66.1	75.5
Total Deferred Credits and Other Liabilities	1,433.1	1,314.2	1,168.0
Commitments and Contingencies
Total Capitalization and Liabilities	6,256.7	6,064.4	5,307.5
Laclede Gas
ASSETS
Utility Plant	2,855.0	2,718.5	2,612.5
Less: Accumulated depreciation and amortization	659.6	604.5	580.7
Net Utility Plant	2,195.4	2,114.0	2,031.8
Goodwill	210.2	210.2	210.2
Other Property and Investments	58.3	57.3	56.2
Total Other Property and Investments	268.5	267.5	266.4
Current Assets:
Cash and cash equivalents	3.7	2.1	3.8
Accounts receivable:
Utility	166.4	87.9	159.8
Other	12.0	11.4	17.0
Allowance for doubtful accounts	(16.5)	(16.1)	(14.7)
Receivables from associated companies	22.7	2.2	1.2
Delayed customer billings	11.6	1.6	10.1
Inventories:
Natural gas	75.8	127.3	60.1
Propane gas	12.0	12.0	12.0
Materials and supplies	9.9	9.2	8.9
Derivative instrument assets	2.9	4.9	0.0
Unamortized purchased gas adjustments	17.1	43.1	3.9
Other regulatory assets	38.2	23.9	23.7
Prepayments and other	10.5	14.5	15.3
Total Current Assets	366.3	324.0	301.1
Deferred Charges:
Regulatory assets	569.4	589.8	563.8
Other	2.6	1.1	5.8
Total Deferred Charges	572.0	590.9	569.6
Total Assets	3,402.2	3,296.4	3,168.9
Capitalization:
Paid-in capital and common stock	753.9	752.0	750.0
Retained earnings	398.6	318.3	342.4
Accumulated other comprehensive income (loss)	(1.8)	(1.8)	(1.5)
Total Common Stock Equity	1,150.7	1,068.5	1,090.9
Long-term debt (less current portion)	804.3	804.1	803.7
Total Capitalization	1,955.0	1,872.6	1,894.6
Current Liabilities:
Notes payable	0.0	243.7	169.6
Notes payable – associated companies	282.2	0.0	0.0
Accounts payable	57.8	67.6	51.0
Accounts payable – associated companies	5.1	5.4	1.9
Advance customer billings	0.2	49.1	16.1
Wages and compensation accrued	21.8	29.9	21.0
Dividends payable	0.0	14.0	21.3
Customer deposits	13.1	13.5	12.9
Interest accrued	7.9	7.7	7.6
Taxes accrued	23.8	29.1	19.1
Unamortized purchased gas adjustments	0.0	0.0	4.3
Regulatory liabilities	2.7	1.3	1.3
Other	8.7	9.9	16.2
Total Current Liabilities	423.3	471.2	342.3
Deferred Credits and Other Liabilities:
Deferred income taxes	607.7	556.9	538.0
Pension and postretirement benefit costs	213.5	211.8	200.8
Asset retirement obligations	77.0	75.2	74.1
Regulatory liabilities	84.5	67.3	69.3
Other	41.2	41.4	49.8
Total Deferred Credits and Other Liabilities	1,023.9	952.6	932.0
Commitments and Contingencies
Total Capitalization and Liabilities	3,402.2	3,296.4	3,168.9
Alagasco
ASSETS
Utility Plant	1,776.1	1,729.6	1,658.8
Less: Accumulated depreciation and amortization	779.1	756.6	705.4
Net Utility Plant	997.0	973.0	953.4
Current Assets:
Cash and cash equivalents	0.0	0.0	2.3
Accounts receivable:
Utility	62.0	34.0	57.3
Other	5.7	7.2	5.2
Allowance for doubtful accounts	(2.3)	(3.3)	(4.2)
Receivables from associated companies	0.4	0.0	0.0
Inventories:
Natural gas	26.5	34.6	30.3
Materials and supplies	5.8	5.9	5.5
Unamortized purchased gas adjustments	43.9	5.6	5.0
Other regulatory assets	11.2	14.9	8.7
Prepayments and other	4.1	5.1	8.1
Total Current Assets	157.3	104.0	118.2
Deferred Charges:
Regulatory assets	229.3	230.7	168.1
Deferred income taxes	186.2	221.4	214.7
Other	62.0	60.8	56.9
Total Deferred Charges	477.5	512.9	439.7
Total Assets	1,631.8	1,589.9	1,511.3
Capitalization:
Paid-in capital and common stock	420.9	451.9	451.9
Retained earnings	462.8	415.4	436.2
Total Common Stock Equity	883.7	867.3	888.1
Long-term debt (less current portion)	247.7	247.6	247.6
Total Capitalization	1,131.4	1,114.9	1,135.7
Current Liabilities:
Notes payable	0.0	82.0	41.0
Notes payable – associated companies	109.3	0.0	0.0
Accounts payable	42.8	34.3	28.6
Accounts payable – associated companies	1.5	0.4	0.4
Advance customer billings	14.3	21.1	15.6
Wages and compensation accrued	5.2	7.8	5.6
Customer deposits	18.9	18.2	20.1
Interest accrued	3.4	3.3	3.4
Taxes accrued	16.9	21.6	17.8
Regulatory liabilities	25.1	22.7	32.5
Other	4.8	6.3	4.7
Total Current Liabilities	242.2	217.7	169.7
Deferred Credits and Other Liabilities:
Pension and postretirement benefit costs	76.6	74.3	54.0
Asset retirement obligations	124.1	120.1	88.5
Regulatory liabilities	35.9	41.7	41.4
Other	21.6	21.2	22.0
Total Deferred Credits and Other Liabilities	258.2	257.3	205.9
Total Capitalization and Liabilities	$ 1,631.8	$ 1,589.9	$ 1,511.3