NET INCOME PER SHARE (Tables)

6 Months Ended

Jun. 30, 2013

Earnings Per Share [Abstract]

Computation of Basic and Diluted Net Income (Loss) Per Share

The computation of basic and diluted net income per share is determined using net income applicable to common stockholders as the numerator and the number of shares included in the denominator as follows (in thousands, except per share amounts):

	Three Months Ended June 30,				Six Months Ended June 30,
	2013		2012		2013		2012
Basic net income per share:
Net income applicable to common stockholders	$	14,135	$	1,942	$	19,870	$	7,006
Undistributed earnings allocated to participating securities		(112)		(16)		(169)		(60)
Net income applicable to common stockholders excluding     amounts applicable to participating securities	$	14,023	$	1,926	$	19,701	$	6,946
Weighted average common shares outstanding		68,442		68,323		68,419		68,284
Basic net income per share	$	0.20	$	0.03	$	0.29	$	0.10
Diluted net income per share:
Net income applicable to common stockholders	$	14,135	$	1,942	$	19,870	$	7,006
Undistributed earnings allocated to participating securities		(112)		(16)		(169)		(60)
Net income applicable to common stockholders excluding     amounts applicable to participating securities	$	14,023	$	1,926	$	19,701	$	6,946
Weighted average common shares outstanding		68,442		68,323		68,419		68,284
Dilutive stock options and restricted stock		416		202		425		287
Diluted weighted average common shares outstanding		68,858		68,525		68,844		68,571
Diluted net income per share	$	0.20	$	0.03	$	0.29	$	0.10