EARNINGS PER SHARE (Details)	3 Months Ended
	Mar. 31, 2012		Mar. 31, 2011
Reconciliation between basic and diluted earnings per share [Abstract]
Weighted average number of common shares outstanding (in shares)	32,000,000	[1]	31,500,000	[1]
Dilutive impact of stock based compensation (in shares)	311,864		476,464
Weighted average number of common and common equivalent shares outstanding for the period (in shares)	32,300,000	[1]	32,000,000	[1]
Number of common shares outstanding at the end of the period (in shares)	31,891,418		31,466,023
Weighted average anti-dilutive shares excluded from the computation of diluted earnings per share (in shares)	591,028		122,822

[1] Restated