Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Cash Flows from Operating Activities
Net Income	$ 36,363	$ 30,195
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:
Net Income from Discontinued Operations	(117)	(149)
Depreciation and Amortization	35,762	36,814
Deferred Tax Credits	(734)	(828)
Deferred Income Taxes	8,666	9,679
Change in Deferred Debits and Other Assets	8,075	2,680
Discretionary Contribution to Pension Plan		(10,000)
Change in Noncurrent Liabilities and Deferred Credits	(695)	6,404
Allowance for Equity/Other Funds Used During Construction	(401)	(475)
Stock Compensation Expense—Equity Awards	1,920	828
Other—Net	39	(76)
Cash (Used for) Provided by Current Assets and Current Liabilities:
Change in Receivables	(12,832)	(12,673)
Change in Inventories	(3,527)	4,218
Change in Other Current Assets	2,095	(1,043)
Change in Payables and Other Current Liabilities	(5,878)	(5,441)
Change in Interest and Income Taxes Receivable/Payable	590	4,018
Net Cash Provided by Continuing Operations	69,326	64,151
Net Cash (Used in) Provided by Discontinued Operations	(54)	11
Net Cash Provided by Operating Activities	69,272	64,162
Cash Flows from Investing Activities
Capital Expenditures	(56,354)	(79,158)
Net Proceeds from Disposal of Noncurrent Assets	2,167	1,080
Final Purchase Price Adjustment – BTD-Georgia Acquisition		1,500
Cash Used for Investments and Other Assets	(2,431)	(1,719)
Net Cash Used in Investing Activities	(56,618)	(78,297)
Cash Flows from Financing Activities
Change in Checks Written in Excess of Cash	1,043	(2,024)
Net Short-Term Borrowings (Repayments)	15,234	(31,398)
Proceeds from Issuance of Common Stock – net of Issuance Expenses	4,266	21,645
Payments for Retirement of Capital Stock	(1,799)	(104)
Proceeds from Issuance of Long-Term Debt		50,000
Short-Term and Long-Term Debt Issuance Expenses		(59)
Payments for Retirement of Long-Term Debt	(6,114)	(106)
Dividends Paid	(25,284)	(23,819)
Net Cash (Used in) Provided by Financing Activities	(12,654)	14,135
Net Change in Cash and Cash Equivalents
Cash and Cash Equivalents at Beginning of Period
Cash and Cash Equivalents at End of Period