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EARNINGS PER SHARE | 12 Months Ended
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Dec. 31, 2012
EARNINGS PER SHARE |
3. | EARNINGS PER SHARE
The following table sets forth the computation of basic and diluted income per common share for the periods presented.
|  | Year Ended December 31, |
|  | 2012 |  |  | 2011 |  |  | 2010 |
|  | (In thousands, except per share data) |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 163,820 |  |  | $ | 158,027 |  |  | $ | 205,435 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Basic common shares outstanding |  |  | 96,384 |  |  |  | 99,281 |  |  |  | 101,678 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |
Stock options and unvested restricted stock |  |  | 1,113 |  |  |  | 1,095 |  |  |  | 930 |
Diluted common shares outstanding |  |  | 97,497 |  |  |  | 100,376 |  |  |  | 102,608 |
Basic income per common share |  | $ | 1.70 |  |  | $ | 1.59 |  |  | $ | 2.02 |
Diluted income per common share |  | $ | 1.68 |  |  | $ | 1.57 |  |  | $ | 2.00 |
Options to purchase 0.6 million shares at December 31, 2010 were not included in the computation of diluted common shares outstanding as their exercise price exceeded the average market price of the Company’s common stock for the related reporting period. All outstanding options to purchase shares at December 31, 2012 and 2011 were included in the computation of diluted common shares outstanding.

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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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