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NET INCOME PER SHARE (TABLES) | 12 Months Ended
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Dec. 31, 2013
NET INCOME PER SHARE [Abstract] |
Schedule of Diluted Shares Calculation |
|  |  |  | Year Ended December 31,
|  |  |  | 2013 |  | 2012 |  | 2011
Shares used in basic earnings per share calculation | 51,338 |  | 54,738 |  | 56,669
| Effect of dilutive securities: |  |  |  |  |
|  | Stock options | 417 |  | 378 |  | 727
|  | Restricted stock units | 489 |  | 424 |  | 564
|  | Performance-based restricted stock units | - |  | - |  | 3
|  |  | Total effects of dilutive securities | 906 |  | 802 |  | 1,294
Shares used in dilutive earnings per share calculation | 52,244 |  | 55,540 |  | 57,963

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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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