Consolidated Statements of Cash Flows (not audited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Cash Flows from Operating Activities
Net Income	$ 44,811	$ 44,763
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:
Net Gain from Sale of Discontinued Operations		(6,932)
Net (Income) Loss from Discontinued Operations	(171)	5,316
Depreciation and Amortization	55,128	44,337
Deferred Tax Credits	(1,242)	(1,408)
Deferred Income Taxes	14,924	12,244
Change in Deferred Debits and Other Assets	5,595	13,839
Discretionary Contribution to Pension Plan	(10,000)	(10,000)
Change in Noncurrent Liabilities and Deferred Credits	5,999	4,345
Allowance for Equity/Other Funds Used During Construction	(605)	(944)
Change in Derivatives Net of Regulatory Deferral		(28)
Stock Compensation Expense - Equity Awards	1,151	1,428
Other - Net	(73)	(27)
Cash (Used for) Provided by Current Assets and Current Liabilities:
Change in Receivables	(3,490)	(14,020)
Change in Inventories	4,766	5,721
Change in Other Current Assets	1,690	2,163
Change in Payables and Other Current Liabilities	(5,945)	(17,490)
Change in Interest and Income Taxes Receivable/Payable	2,538	(1,499)
Net Cash Provided by Continuing Operations	115,076	81,808
Net Cash Used for Discontinued Operations	(333)	(11,581)
Net Cash Provided by Operating Activities	114,743	70,227
Cash Flows from Investing Activities
Capital Expenditures	(125,913)	(115,321)
Net Proceeds from Disposal of Noncurrent Assets	4,167	2,956
Purchase Price Adjustment (Payment) - BTD-Georgia Acquisition	1,500	(30,806)
Cash Used for Investments and Other Assets	(3,161)	(7,297)
Net Cash Used in Investing Activities - Continuing Operations	(123,407)	(150,468)
Net Proceeds from Sale of Discontinued Operations		32,765
Net Cash Used in Investing Activities - Discontinued Operations		(1,769)
Net Cash Used in Investing Activities	(123,407)	(119,472)
Cash Flows from Financing Activities
Change in Checks Written in Excess of Cash	(841)	(1,236)
Net Short-Term Debt (Repayments) Borrowings	(43,499)	76,098
Proceeds from Issuance of Common Stock - net of Issuance Expenses	39,378	10,979
Payments for Retirement of Capital Stock	(104)	(1,596)
Proceeds from Issuance of Long-Term Debt	50,000
Short-Term and Long-Term Debt Issuance Expenses	(157)	(7)
Payments for Retirement of Long-Term Debt	(161)	(149)
Dividends Paid and Other Distributions	(35,952)	(34,607)
Net Cash Provided by Financing Activities - Continuing Operations	8,664	49,482
Net Cash Provided by Financing Activities - Discontinued Operations		321
Net Cash Provided by Financing Activities	8,664	49,803
Net Change in Cash and Cash Equivalents - Discontinued Operations		(10)
Net Change in Cash and Cash Equivalents		548
Cash and Cash Equivalents at Beginning of Period
Cash and Cash Equivalents at End of Period		$ 548