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Earnings Per Share | 12 Months Ended
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Dec. 31, 2012
Earnings Per Share | NOTE 3. Earnings Per Share The following is a reconciliation of our earnings per share (in thousands, except for per share data):
|  | Years Ended, December 31, |
|  | 2012 |  |  | 2011 |  |  | 2010 |
Net income for basic and diluted earnings per share |  | $ | 67,953 |  |  | $ | 58,178 |  |  | $ | 43,458 |
Weighted average shares outstanding - basic |  |  | 37,053 |  |  |  | 36,913 |  |  |  | 37,223 |
Dilutive effect of stock options and restricted stock |  |  | 132 |  |  |  | 150 |  |  |  | 162 |
Weighted average shares outstanding - diluted |  |  | 37,185 |  |  |  | 37,063 |  |  |  | 37,385 |
Earnings per share - basic |  | $ | 1.83 |  |  | $ | 1.58 |  |  | $ | 1.17 |
Earnings per share - diluted |  | $ | 1.83 |  |  | $ | 1.57 |  |  | $ | 1.16 |

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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=7655603&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=16381557&loc=d3e4984-109258 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 Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1278-109256 Reference 5: 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FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 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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