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EARNINGS PER SHARE (NVE)
9 Months Ended
Sep. 30, 2011
EARNINGS PER SHARE (NVE) [Abstract] 
EARNINGS PER SHARE (NVE)
NOTE 9.                      EARNINGS PER SHARE (NVE)

The difference, if any, between basic EPS and diluted EPS is due to potentially dilutive common shares resulting from stock options, the employee stock purchase plan, performance and restricted stock plans, and the non-employee director stock plan.

   
Three Months Ended September 30,
  
Nine Months Ended September 30,
 
   
2011
  
2010
  
2011
  
2010
 
Basic EPS
 
 
  
 
  
 
  
 
 
Numerator ($000)
 
 
  
 
  
 
  
 
 
Net Income
 $173,462  $177,546(2) $188,680  $212,771(2)
                  
Denominator(1)
                
Weighted average number of common shares outstanding
  235,990,373   235,117,058   235,796,321   234,991,208 
                  
Per Share Amounts
                
Net Income per share - basic
 $0.74  $0.76(2) $0.80  $0.91(2)
                  
Diluted EPS
                
Numerator ($000)
                
Net Income
 $173,462  $177,546(2) $188,680  $212,771(2)
                  
Denominator(1)
                
Weighted average number of shares outstanding before dilution
  235,990,373   235,117,058   235,796,321   234,991,208 
Stock options
  33,343   35,973   36,314   30,818 
Non-Employee Director stock plan
  141,122   147,718   142,587   137,032 
Employee stock purchase plan
  4,012   9,463   4,547   6,186 
Restricted Shares
  146,464   87,613   123,940   69,322 
Performance Shares
  1,586,016   1,079,362   1,217,087   902,159 
   Diluted Weighted Average Number of Shares
  237,901,330   236,477,187   237,320,796   236,136,725 
                  
Per Share Amounts
                
Net income per share - diluted
 $0.73  $0.75(2) $0.80  $0.90(2)

(1)
The denominator does not include stock equivalents for options issued under the non-qualified stock option plan due to conversion prices being higher than market prices for all periods.  If the conditions for conversion were met under this plan, 572,825 and 575,846 shares would be included for the three and nine months ended September 30, 2011, and 701,190 and 707,950 would be included for the three and nine months ended September 30, 2010, respectively.
(2)
As discussed in Note 1, Summary of Significant Accounting Policies, net income and earnings per share basic and diluted were reduced from that previously reported by $5.2 million (net of taxes) and $0.02 per share (net of taxes), respectively.