EARNINGS PER SHARE (Tables)

9 Months Ended

Sep. 30, 2013

Earnings Per Share [Abstract]

Reconciliation of basic and diluted earnings per share computations

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

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2013		2012		2013		2012
Numerator for basic and diluted earnings per share:
Net income	$	35,361	$	12,359	$	68,765	$	67,800
Denominator:
Basic shares outstanding	60,610		53,374		60,542		53,303
Dilutive effect of equity-based compensation awards	150		191		150		216
Dilutive shares outstanding	60,760		53,565		60,692		53,519
Basic earnings per share:	$	0.58	$	0.23	$	1.14	$	1.27
Diluted earnings per share:	$	0.58	$	0.23	$	1.13	$	1.27