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Earnings Per Share
 3 Months Ended
Mar. 31, 2013
Earnings Per Share  
Earnings Per Share

Note 3. Earnings Per Share

 

A reconciliation between basic and diluted earnings per share is as follows (in thousands, except per share data):

 

 

 

 

Quarter Ended

 

 

 

 

March 31,

 

 

 

2013

 

2012

Net income for basic and diluted earnings per share

 

  $

76,226

 

  $

46,964

 

 

 

 

 

Weighted-average common shares outstanding

 

219,097

 

217,584

Dilutive effect of stock options, performance share awards and restricted stock awards

 

 

1,387

 

 

1,646

Diluted weighted-average shares outstanding

 

 

220,484

 

 

219,230

 

 

 

 

 

Basic earnings per share

 

  $

0.35

 

  $

0.22

Diluted earnings per share

 

  $

0.35

 

  $

0.21

 

Diluted earnings per share did not reflect options to purchase an aggregate of 2.6 million and 3.8 million shares for the first quarters of 2013 and 2012, respectively, because the effect of including them would have been antidilutive.