EARNINGS PER SHARE (Tables)

9 Months Ended

Sep. 30, 2011

Earnings Per Share [Abstract]

Reconciliation of basic and diluted earnings per share computations

The following is a reconciliation of basic and diluted earnings per share computations (in thousands except for per share amounts):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2011		2010		2011		2010
Numerator for basic and diluted earnings per share:
Income from continuing operations	$	37,133	$	38,827	$	89,019	$	104,392
Income from discontinued operations	—		—		—		2,794
Net income	$	37,133	$	38,827	$	89,019	$	107,186
Denominator:
Basic shares outstanding	53,023		52,658		52,921		52,581
Dilutive effect of equity-based compensation awards	347		305		377		271
Dilutive shares outstanding	53,370		52,963		53,298		52,852
Basic earnings per share:
Income from continuing operations	$	0.70	$	0.74	$	1.68	$	1.99
Income from discontinued operations, net of tax	—		—		—		0.05
Net income	$	0.70	$	0.74	$	1.68	$	2.04
Diluted earnings per share:
Income from continuing operations	$	0.70	$	0.73	$	1.67	$	1.98
Income from discontinued operations, net of tax	—		—		—		0.05
Net income	$	0.70	$	0.73	$	1.67	$	2.03