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Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
Statement of Other Comprehensive Income [Abstract] |  |  |  |
Net income for common stock | $ 48,236 | $ 47,706 | $ 122,503 | $ 124,822
Net unrealized gains (losses) on securities: |  |  |  |
Net unrealized gains (losses) on securities arising during the period, net of (taxes) benefits of $1,049 and ($689) for the three months ended September 30, 2013 and 2012 and $7,081 and ($1,261) for the nine months ended September 30, 2013 and 2012, respectively | (1,589) | 1,043 | (10,724) | 1,910
Less: reclassification adjustment for net realized gains included in net income, net of taxes of nil for the three months ended September 30, 2013 and 2012 and $488 and $53 for the nine months ended September 30, 2013 and 2012, respectively | 0 | 0 | (738) | (81)
Derivatives qualified as cash flow hedges: |  |  |  |
Less: reclassification adjustment to net income, net of tax benefits of $37 for the three months ended September 30, 2013 and 2012 and $112 for the nine months ended September 30, 2013 and 2012 | 59 | 59 | 177 | 177
Retirement benefit plans: |  |  |  |
Less: amortization of transition obligation, prior service credit and net losses recognized during the period in net periodic benefit cost, net of tax benefits of $3,697 and $2,443 for the three months ended September 30, 2013 and 2012 and $11,173 and $7,321 for the nine months ended September 30, 2013 and 2012, respectively | 5,789 | 3,826 | 17,490 | 11,467
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets, net of taxes of $3,284 and $2,129 for the three months ended September 30, 2013 and 2012 and $9,852 and $6,386 for the nine months ended September 30, 2013 and 2012, respectively | (5,156) | (3,342) | (15,468) | (10,026)
Other comprehensive income (loss), net of taxes | (897) | 1,586 | (9,263) | 3,447
Comprehensive income | $ 47,339 | $ 49,292 | $ 113,240 | $ 128,269

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- Definition Reclassification adjustments on pension and post retirement benefits for the accounting impact of the decisions issued by the Public Utilities Commission, net of income taxes. + References No definition available. + Details
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- Definition The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the reporting entity. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, but excludes any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Other Comprehensive Income -URI http://asc.fasb.org/extlink&oid=6519514 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Comprehensive Income -URI http://asc.fasb.org/extlink&oid=16317811 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=20435746&loc=d3e557-108580 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Net Income -URI http://asc.fasb.org/extlink&oid=6518256 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(3) -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 AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 30 -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 AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph A5 -Appendix A + Details
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