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Earnings Per Share | 12 Months Ended
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Dec. 31, 2011
Earnings Per Share [Abstract] |
EARNINGS PER SHARE | 13. EARNINGS PER SHARE Basic earnings per share is computed by dividing net income by the weighted average number of common shares (including restricted stock and vested but unissued restricted stock units) outstanding during the period. Diluted earnings per share is based on the combined weighted average number of common shares and common share equivalents outstanding, which include, where appropriate, the assumed exercise of employee stock options, unvested restricted stock awards and unvested restricted stock units. In computing diluted earnings per share, we utilize the treasury stock method. Earnings per share for the years ended December 31, 2011, 2010 and 2009 are calculated as follows (in thousands, except per share amounts):
|  | 2011 |  |  | 2010 |  |  | 2009 |
Basic earnings per share: |  |  |  |  |  |  |  |  |  |  |  |
Net income attributable to Republic Services, Inc. |  | $ | 589,200 |  |  | $ | 506,500 |  |  | $ | 495,000 |
Weighted average common shares outstanding |  |  | 375,961 |  |  |  | 382,985 |  |  |  | 379,749 |
Basic earnings per share |  | $ | 1.57 |  |  | $ | 1.32 |  |  | $ | 1.30 |
Diluted earnings per share: |  |  |  |  |  |  |  |  |  |  |  |
Net income attributable to Republic Services, Inc. |  | $ | 589,200 |  |  | $ | 506,500 |  |  | $ | 495,000 |
Weighted average common shares outstanding |  |  | 375,961 |  |  |  | 382,985 |  |  |  | 379,749 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |
Options to purchase common stock |  |  | 1,495 |  |  |  | 1,895 |  |  |  | 1,172 |
Unvested restricted stock awards |  |  | 149 |  |  |  | 231 |  |  |  | 40 |
Weighted average common and common equivalent shares outstanding |  |  | 377,605 |  |  |  | 385,111 |  |  |  | 380,961 |
Diluted earnings per share |  | $ | 1.56 |  |  | $ | 1.32 |  |  | $ | 1.30 |
Antidilutive securities not included in the diluted earnings per share calculations: |  |  |  |  |  |  |  |  |  |  |  |
Options to purchase common stock |  |  | 4,546 |  |  |  | 2,825 |  |  |  | 9,836 |

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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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