EARNINGS PER SHARE (Tables)

12 Months Ended

Dec. 31, 2012

Earnings Per Share [Abstract]

Computation of basic and diluted earnings per share

The following table sets forth the computation of basic and diluted earnings per share:

	Year Ended December 31,
	2012		2011		2010
Numerator:
Net income	$	257,411	$	217,186	$	130,244
Denominator:
Basic weighted average shares outstanding	83,087		83,681		84,407
Effect of dilutive securities - Stock options and awards	1,088		1,027		816
Diluted weighted average shares outstanding	84,175		84,708		85,223
Basic earnings per share	$	3.10	$	2.60	$	1.54
Diluted earnings per share	$	3.06	$	2.56	$	1.53