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EARNINGS PER SHARE
9 Months Ended
Sep. 30, 2012
Earnings Per Share [Abstract]  
EARNINGS PER SHARE

12.       EARNINGS PER SHARE

Diluted earnings per share were computed based on the weighted average number of shares outstanding plus all potentially dilutive common shares. A reconciliation of basic to diluted shares used in the earnings per share calculation is as follows:

  (In thousands, except stock options outstanding) 
  Three Months Ended Nine Months Ended 
  September 30, September 30, 
  2012 2011 2012 2011 
Basic weighted average shares outstanding  46,884  46,466  46,795  46,328 
Dilutive effect of stock options and deferred stock compensation  531  470  698  650 
Diluted weighted average shares outstanding  47,415  46,936  47,493  46,978 

As of September 30, 2012 and 2011, there were 1,260,000 and 2,779,000 stock options outstanding, respectively, that were excluded from the computation of diluted earnings per share, as the exercise price of these options was greater than their average market value, which would result in an anti-dilutive effect on diluted earnings per share.