XML 54 R47.htm IDEA: XBRL DOCUMENT v2.4.1.9
Earnings Per Share (Tables)
 12 Months Ended
Dec. 31, 2014
Earnings Per Share [Abstract]  
Schedule Of Net Income Attributable To Common Stockholders
 
 
Year Ended December 31,
 
 
2014
 
2013
 
2012
Net income attributable to Westlake Chemical Corporation
 
$
678,523

 
$
610,425

 
$
385,555

Less:
 
 
 
 
 
 
Net income attributable to participating securities
 
(1,502
)
 
(2,562
)
 
(2,160
)
Net income attributable to common shareholders
 
$
677,021

 
$
607,863

 
$
383,395
Reconciliation Of Denominator For Basic And Diluted Earnings (Loss) Per Share
The following table reconciles the denominator for the basic and diluted earnings per share computations shown in the consolidated statements of operations:
 
 
Year Ended December 31,
 
 
2014
 
2013
 
2012
Weighted average common shares—basic (1)
 
133,111,230

 
133,224,256

 
132,578,858

Plus incremental shares from:
 
 
 
 
 
 
Assumed exercise of options (1)
 
532,184

 
554,994

 
704,132

Weighted average common shares—diluted (1)
 
133,643,414

 
133,779,250

 
133,282,990

 
 
 
 
 
 
 
Earnings per common share attributable to
   Westlake Chemical Corporation: (1)
 
 
 
 
 
 
Basic
 
$
5.09

 
$
4.57

 
$
2.89

Diluted
 
$
5.07

 
$
4.55

 
$
2.88