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EARNINGS PER SHARE
12 Months Ended
Dec. 31, 2012
Earnings Per Share [Abstract]  
EARNINGS PER SHARE

15.       EARNINGS PER SHARE

The Corporation is required to report both basic earnings per share (EPS), based on the weighted-average number of Common shares outstanding, and diluted earnings per share, based on the basic EPS adjusted for all potentially dilutive shares issuable.

As of December 31, 2012, 2011, and 2010 there were 633,000, 653,000, 1,068,000 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.

Earnings per share calculations for the years ended December 31, 2012, 2011, and 2010, are as follows:

(In thousands, except stock options outstanding) Earnings from continuing operations Weighted-Average Shares Outstanding Earnings per share from continuing operations
2012:         
Basic earnings per share from continuing operations $ 92,289  46,743 $ 1.98
Dilutive effect of stock options and deferred stock compensation     669   
Diluted earnings per share from continuing operations $ 92,289  47,412 $ 1.95
          
2011:         
Basic earnings per share from continuing operations $ 118,620  46,372 $ 2.56
Dilutive effect of stock options and deferred stock compensation     641   
Diluted earnings per share from continuing operations $ 118,620  47,013 $ 2.52
          
2010:         
Basic earnings per share from continuing operations $ 97,884  45,823 $ 2.14
Dilutive effect of stock options and deferred stock compensation     499   
Diluted earnings per share from continuing operations $ 97,884  46,322 $ 2.12