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NET INCOME PER SHARE (Tables)
 6 Months Ended
Jun. 30, 2014
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,
 
 
 
2014
 
2013
 
2014
 
2013
 
Basic net income per share:
 
 
 
 
 
 
 
 
 
 
 
 
 
Net income applicable to common stockholders
 
$
16,239
 
$
14,135
 
$
23,535
 
$
19,870
 
Undistributed earnings allocated to participating securities
 
 
(88)
 
 
(112)
 
 
(189)
 
 
(169)
 
Net income applicable to common stockholders excluding amounts applicable to participating securities
 
$
16,151
 
$
14,023
 
$
23,346
 
$
19,701
 
Weighted average common shares outstanding
 
 
68,938
 
 
68,442
 
 
68,805
 
 
68,419
 
Basic net income per share
 
$
0.23
 
$
0.20
 
$
0.34
 
$
0.29
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Diluted net income per share:
 
 
 
 
 
 
 
 
 
 
 
 
 
Net income applicable to common stockholders
 
$
16,239
 
$
14,135
 
$
23,535
 
$
19,870
 
Undistributed earnings allocated to participating securities
 
 
(88)
 
 
(112)
 
 
(189)
 
 
(169)
 
Net income applicable to common stockholders excluding amounts applicable to participating securities
 
$
16,151
 
$
14,023
 
$
23,346
 
$
19,701
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Weighted average common shares outstanding
 
 
68,938
 
 
68,442
 
 
68,805
 
 
68,419
 
Dilutive shares from assumed conversion of convertible senior notes
 
 
1,877
 
 
-
 
 
1,734
 
 
-
 
Dilutive stock options and restricted stock
 
 
742
 
 
416
 
 
785
 
 
425
 
Diluted weighted average common shares outstanding
 
 
71,557
 
 
68,858
 
 
71,324
 
 
68,844
 
Diluted net income per share
 
$
0.23
 
$
0.20
 
$
0.33
 
$
0.29