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Net Income Per Share (Tables) | 9 Months Ended
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Sep. 30, 2015
Earnings Per Share [Abstract] |
Reconciliation of Common Shares Used for Basic and Diluted Earnings Per Share | The following table provides a reconciliation of the common shares used for basic net income per share to the diluted shares used for diluted net income per share:
| Three Months Ended September 30, |  |  | Nine Months Ended September 30,
| 2015 |  | 2014 |  |  | 2015 |  | 2014
Basic weighted average shares outstanding | 45,174,521 |  |  | 45,115,882 |  |  |  | 45,173,671 |  |  | 45,083,831 |
Effect of potential dilutive shares: |  |  |  |  |  |  |  |
Warrants | — |  |  | 1,469,203 |  |  |  | 1,154,313 |  |  | 1,892,211 |
Stock options | — |  |  | 8,220 |  |  |  | 7,083 |  |  | 10,569 |
Restricted stock units | — |  |  | 31,384 |  |  |  | 14,418 |  |  | 40,473 |
Performance stock units | — |  |  | — |  |  |  | 2,729 |  |  | — |
Diluted weighted average shares outstanding | 45,174,521 |  |  | 46,624,689 |  |  |  | 46,352,214 |  |  | 47,027,084 |

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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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