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EARNINGS PER SHARE (Details 2)	3 Months Ended
EARNINGS PER SHARE (Details 2)	Mar. 31, 2014	Mar. 31, 2013
Anti-dilutive shares excluded in the computation of diluted earnings per share
Weighted average anti-dilutive securities outstanding (in shares)	950,978	1,581,036
Stock options
Anti-dilutive shares excluded in the computation of diluted earnings per share
Weighted average anti-dilutive securities outstanding (in shares)	745,878	1,252,300
Restricted stock units
Anti-dilutive shares excluded in the computation of diluted earnings per share
Weighted average anti-dilutive securities outstanding (in shares)	205,100	328,736

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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