CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018
Current Assets:
Cash and Cash Equivalents	$ 4.3	$ 7.8	$ 9.5
Accounts Receivable, Net	73.9	66.8	74.4
Accrued Revenue	40.2	54.7	45.1
Exchange Gas Receivable	0.4	8.1	0.2
Gas Inventory	0.5	0.8	0.4
Materials and Supplies	7.8	7.0	7.8
Prepayments and Other	6.8	7.0	7.1
Total Current Assets	133.9	152.2	144.5
Utility Plant:
Gas	778.6	760.6	706.7
Electric	511.3	500.1	478.8
Common	61.1	83.1	69.1
Construction Work in Progress	26.1	25.5	32.1
Total Utility Plant	1,377.1	1,369.3	1,286.7
Less: Accumulated Depreciation	339.3	332.5	314.3
Net Utility Plant	1,037.8	1,036.8	972.4
Other Noncurrent Assets:
Regulatory Assets	97.9	99.0	111.2
Operating Lease Right of Use Assets	3.9
Other Assets	16.7	10.3	16.2
Total Other Noncurrent Assets	118.5	109.3	127.4
TOTAL ASSETS	1,290.2	1,298.3	1,244.3
Current Liabilities:
Accounts Payable	33.0	42.6	30.1
Short-Term Debt	65.8	82.8	45.3
Long-Term Debt, Current Portion	19.5	18.4	29.8
Regulatory Liabilities	15.0	11.5	10.9
Energy Supply Obligations	4.6	13.4	7.8
Interest Payable	7.0	4.3	6.9
Other Current Liabilities	19.9	19.5	15.5
Total Current Liabilities	164.8	192.5	146.3
Noncurrent Liabilities:
Retirement Benefit Obligations	122.9	121.5	151.6
Deferred Income Taxes, Net	103.8	97.8	87.0
Cost of Removal Obligations	93.7	90.7	86.6
Regulatory Liabilities	47.4	47.0	49.1
Other Noncurrent Liabilities	10.7	10.1	12.1
Total Noncurrent Liabilities	378.5	367.1	386.4
Capitalization:
Long-Term Debt, Less Current Portion	373.0	387.4	363.0
Stockholders' Equity:
Common Equity (Authorized: 25,000,000 and Outstanding:14,916,044, 14,860,123 and 14,876,955 Shares)	280.7	279.1	277.4
Retained Earnings	93.0	72.0	71.0
Total Common Stock Equity	373.7	351.1	348.4
Preferred Stock	0.2	0.2	0.2
Total Stockholders' Equity	373.9	351.3	348.6
Total Capitalization	746.9	738.7	711.6
Commitments and Contingencies (Notes 6 & 7)
TOTAL LIABILITIES AND CAPITALIZATION	$ 1,290.2	$ 1,298.3	$ 1,244.3

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).

Name:	us-gaap_AccountsPayableCurrent
Namespace Prefix:	us-gaap_
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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130549-203045

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682