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Note 2 - Net Income per Share (Tables)
6 Months Ended
Jun. 30, 2011
Net Income Per Share Disclosure [Abstract]  
Schedule of basic and diluted net income per share
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2011
 
2010
 
2011
 
2010
 
(In thousands, except per share amounts)
Numerator:
 
 
 
 
 
 
 
Net income
$
283,407


 
$
412,192


 
$
759,272


 
$
809,845


Denominator:
 
 
 
 
 
 
 
Weighted average common shares - basic
1,296,537


 
1,310,042


 
1,296,792


 
1,305,595


Dilutive effect of equity incentive plans
18,181


 
19,576


 
20,526


 
22,175


Weighted average common shares - diluted
1,314,718


 
1,329,618


 
1,317,318


 
1,327,770


Net income per share:
 
 
 
 
 
 
 
Basic
$
0.22


 
$
0.31


 
$
0.59


 
$
0.62


Diluted
$
0.22


 
$
0.31


 
$
0.58


 
$
0.61


Common stock equivalents excluded from income per diluted share because their effect would have been anti-dilutive
17,762


 
34,693


 
15,946


 
32,587