CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Jun. 30, 2016	Dec. 31, 2015	Jun. 30, 2015
Current Assets:
Cash and Cash Equivalents	$ 7.9	$ 8.7	$ 16.1
Accounts Receivable, net	42.9	49.8	52.3
Accrued Revenue	31.9	38.4	28.6
Exchange Gas Receivable	8.0	11.1	7.2
Gas Inventory	0.4	0.8	0.5
Prepayments and Other	14.6	11.7	14.0
Total Current Assets	105.7	120.5	118.7
Utility Plant:
Gas	589.1	576.8	532.1
Electric	421.2	408.4	396.4
Common	35.6	35.5	35.0
Construction Work in Progress	69.6	59.9	57.4
Total Utility Plant	1,115.5	1,080.6	1,020.9
Less: Accumulated Depreciation	280.9	271.7	263.9
Net Utility Plant	834.6	808.9	757.0
Other Noncurrent Assets:
Regulatory Assets	98.1	99.6	104.3
Other Assets	13.3	9.8	13.9
Total Other Noncurrent Assets	111.4	109.4	118.2
TOTAL ASSETS	1,051.7	1,038.8	993.9
Current Liabilities:
Accounts Payable	21.4	33.3	19.0
Short-Term Debt	54.2	42.0
Long-Term Debt, Current Portion	17.2	17.1	3.8
Regulatory Liabilities	15.9	15.6	31.2
Energy Supply Obligations	12.8	14.6	13.8
Environmental Obligations	0.3	1.3	3.4
Capital Lease Obligations	3.1	3.1	0.4
Interest Payable	3.5	3.4	3.5
Taxes Payable	0.4	2.4	9.1
Other Current Liabilities	10.2	11.5	10.0
Total Current Liabilities	139.0	144.3	94.2
Noncurrent Liabilities:
Retirement Benefit Obligations	128.3	124.4	124.2
Deferred Income Taxes, net	95.6	87.5	75.0
Cost of Removal Obligations	74.9	70.1	68.1
Regulatory Liabilities	3.7	8.1	11.0
Capital Lease Obligations	9.7	11.0	9.5
Environmental Obligations	2.7	1.5	2.0
Other Noncurrent Liabilities	4.5	3.6	3.5
Total Noncurrent Liabilities	319.4	306.2	293.3
Capitalization:
Long-Term Debt, Less Current Portion	305.2	305.5	325.9
Stockholders' Equity:
Common Equity (Authorized: 25,000,000 and Outstanding: 14,052,096, 13,974,576 and 13,991,430 Shares)	239.4	237.5	236.4
Retained Earnings	48.5	45.1	43.9
Total Common Stock Equity	287.9	282.6	280.3
Preferred Stock	0.2	0.2	0.2
Total Stockholders' Equity	288.1	282.8	280.5
Total Capitalization	593.3	588.3	606.4
Commitments and Contingencies (Notes 6 & 7)
TOTAL LIABILITIES AND CAPITALIZATION	$ 1,051.7	$ 1,038.8	$ 993.9

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.