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Earnings Per Share | 6 Months Ended
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Jun. 30, 2012
Earnings Per Share [Abstract] |
Earnings Per Share | Earnings Per Share In accordance with GAAP, dual presentation of basic and diluted earnings per share is presented in the Condensed Consolidated Statements of Earnings of PNMR. Information regarding the computation of earnings per share is as follows:
| Three Months Ended |  | Six Months Ended
| June 30, |  | June 30,
| 2012 |  | 2011 |  | 2012 |  | 2011
| (In thousands, except per share amounts)
Net Earnings Attributable to PNMR | $ | 21,512 |  |  | $ | 4,067 |  |  | $ | 38,592 |  |  | $ | 20,704 |
Average Number of Common Shares: |  |  |  |  |  |  |
Outstanding during period | 79,654 |  |  | 86,673 |  |  | 79,654 |  |  | 86,673 |
Equivalents from convertible preferred stock (Note 7) | — |  |  | 4,778 |  |  | — |  |  | 4,778 |
Vested awards of restricted stock | 154 |  |  | 139 |  |  | 177 |  |  | 149 |
Average Shares - Basic | 79,808 |  |  | 91,590 |  |  | 79,831 |  |  | 91,600 |
Dilutive Effect of Common Stock Equivalents (1): |  |  |  |  |  |  |
Stock options and restricted stock | 558 |  |  | 546 |  |  | 590 |  |  | 502 |
Average Shares - Diluted | 80,366 |  |  | 92,136 |  |  | 80,421 |  |  | 92,102 |
Net Earnings Per Share of Common Stock: |  |  |  |  |  |  |
Basic | $ | 0.27 |  |  | $ | 0.04 |  |  | $ | 0.48 |  |  | $ | 0.23 |
Diluted | $ | 0.27 |  |  | $ | 0.04 |  |  | $ | 0.48 |  |  | $ | 0.22 |
(1) | Excludes the effect of out-of-the-money options for 1,356,468 shares of common stock at June 30, 2012.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6920599&loc=d3e1252-109256 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=6945512&loc=d3e4984-109258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6920599&loc=d3e1278-109256 Reference 5: 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 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 + Details
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