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EARNINGS PER SHARE (Tables) | 3 Months Ended
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Mar. 31, 2016
Earnings Per Share [Abstract] |
Schedule of Basic and Diluted Earnings per Common Share | Basic and diluted earnings per common share were calculated as follows (in thousands, except per share amounts):
|  | Three Months Ended March 31,
|  | 2016 |  | 2015
Basic weighted average number of shares outstanding |  | 39,839 |  |  | 39,390 |
Effect of dilutive securities: |  |  |  |
Convertible debt (1) |  | 2,176 |  |  | 2,176 |
Stock options and unvested restricted stock |  | 348 |  |  | 382 |
Diluted average shares outstanding |  | 42,363 |  |  | 41,948 |
Net earnings as reported |  | $ | 20,969 |  |  | $ | 16,400 |
Interest attributable to convertible senior notes, net of income taxes |  | 400 |  |  | 385 |
Net earnings for diluted earnings per share |  | $ | 21,369 |  |  | $ | 16,785 |
Basic earnings per share |  | $ | 0.53 |  |  | $ | 0.42 |
Diluted earnings per share (1) |  | $ | 0.50 |  |  | $ | 0.40 |
Antidilutive stock options not included in the calculation of diluted earnings per share |  | 68 |  |  | 7 |
(1) | In accordance with ASC 260-10, Earnings Per Share, ("ASC 260-10") we calculate the dilutive effect of convertible securities using the "if-converted" method.

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + 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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