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Condensed Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2012 | Jun. 30, 2011 | Jun. 30, 2012 | Jun. 30, 2011
Operating Revenues |  |  |  |
Regulated Energy | $ 55,553 | $ 54,193 | $ 127,849 | $ 139,063
Unregulated Energy | 25,176 | 29,692 | 70,063 | 88,442
Other | 3,168 | 2,946 | 6,899 | 5,924
Total operating revenues | 83,897 | 86,831 | 204,811 | 233,429
Operating Expenses |  |  |  |
Regulated energy cost of sales | 23,433 | 24,882 | 59,105 | 72,872
Unregulated energy and other cost of sales | 19,861 | 24,420 | 54,453 | 68,711
Operations | 20,071 | 20,401 | 40,027 | 40,237
Maintenance | 1,858 | 1,892 | 3,834 | 3,595
Depreciation and amortization | 5,885 | 4,937 | 11,646 | 9,958
Other taxes | 2,334 | 2,523 | 5,218 | 5,441
Total operating expenses | 73,442 | 79,055 | 174,283 | 200,814
Operating Income | 10,455 | 7,776 | 30,528 | 32,615
Other income, net of expenses | 153 | 27 | 349 | 50
Interest charges | 2,241 | 2,114 | 4,532 | 4,265
Income Before Income Taxes | 8,367 | 5,689 | 26,345 | 28,400
Income tax expense | 3,307 | 2,169 | 10,558 | 11,133
Net Income | $ 5,060 | $ 3,520 | $ 15,787 | $ 17,267
Weighted-Average Common Shares Outstanding: |  |  |  |
Basic | 9,586,159 | 9,557,707 | 9,578,715 | 9,546,606
Diluted | 9,681,597 | 9,650,887 | 9,674,240 | 9,642,374
Earnings Per Share of Common Stock: |  |  |  |
Basic | $ 0.53 | $ 0.37 | $ 1.65 | $ 1.81
Diluted | $ 0.52 | $ 0.37 | $ 1.63 | $ 1.79
Cash Dividends Declared Per Share of Common Stock | $ 0.365 | $ 0.345 | $ 0.710 | $ 0.675

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- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1448-109256 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 8 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 07-4 -Paragraph 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 171 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Weighted-Average Number of Common Shares Outstanding -URI http://asc.fasb.org/extlink&oid=6528421 + Details
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