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EARNINGS PER SHARE (Tables)
 3 Months Ended
Mar. 31, 2012
Earnings Per Share [Abstract]  
Earnings per share calculation [Table Text Block]
A summary of the earnings per share calculation is as follows (in thousands, except per share amounts):
 
Three Months Ended
 
March 31,
 
2012
 
2011
Basic earnings per share:
 
 
 
Net income
$
7,461

 
$
9,854

Weighted-average common shares
28,227

 
28,628

Basic earnings per share
$
0.26

 
$
0.34

Diluted earnings per share (1):

 

Net income
$
7,461

 
$
9,854

Weighted-average common shares
28,227

 
28,628

Effect of dilutive securities:

 

Employee stock plans
1,208

 
1,559

Diluted weighted-average common shares
29,435

 
30,187

Diluted earnings per share
$
0.25

 
$
0.33

_______________ 

(1)
The Company includes the shares underlying performance-based awards in the calculation of diluted earnings per share when they become contingently issuable per ASC 260-10, Earnings per Share and excludes such shares when they are not contingently issuable. The Company has excluded all performance-based awards underlying the fiscal 2012 and 2011 awards as those shares were not contingently issuable as of the end of the period.