XML 31 R16.htm IDEA: XBRL DOCUMENT v2.4.0.6
Per Share Data
 6 Months Ended
Mar. 31, 2012
Earnings Per Share [Abstract]  
Per Share Data [Text Block]
Per Share Data
The following table sets forth the computation of basic and diluted net income per share (in thousands, except per share amounts): 
 
 
Three Months Ended
March 31,
 
Six Months Ended
March 31,
 
 
2012
 
2011
 
2012
 
2011
Numerator for basic and diluted net income per share:
 
 
 
 
 
 
 
 
Net income attributable to ISSI
 
$
3,601

 
$
5,781

 
$
7,391

 
$
12,993

Denominator for basic net income per share:
 
 
 
 
 
 
 
 
Weighted average common shares outstanding
 
27,053

 
26,563

 
26,845

 
26,435

Dilutive stock options and awards
 
1,860

 
1,935

 
1,797

 
1,768

Denominator for diluted net income per share
 
28,913

 
28,498

 
28,642

 
28,203

Basic net income per share
 
$
0.13

 
$
0.22

 
$
0.28

 
$
0.49

Diluted net income per share
 
$
0.12

 
$
0.20

 
$
0.26

 
$
0.46


For the three months and six months ended March 31, 2012, stock options and awards for 1,275,000 and 1,886,000 shares, respectively, were excluded from diluted earnings per share by the application of the treasury stock method. For the three months and six months ended March 31, 2011, stock options and awards for 1,189,000 and 911,000 shares, respectively, were excluded from diluted earnings per share by the application of the treasury stock method.