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Earnings per Share
12 Months Ended
Dec. 29, 2012
Earnings per Share [Abstract]  
Earnings per Share
13. Earnings per Share
 
Basic and diluted earnings per share were calculated as follows:
 
(In thousands, except per share amounts)
 
2012
  
2011
  
2010
 
Amounts Attributable to Kadant:
 
 
  
 
  
 
 
Income from Continuing Operations
 $30,880  $33,584  $18,409 
Income (Loss) from Discontinued Operation
  743   (9)  98 
Net Income
 $31,623  $33,575  $18,507 
Basic Weighted Average Shares
  11,456   12,124   12,339 
Effect of Stock Options, Restricted Stock Units and Employee Stock Purchase Plan
  134   137   127 
Diluted Weighted Average Shares
  11,590   12,261   12,466 
Basic Earnings per Share:
            
Continuing Operations
 $2.70  $2.77  $1.49 
Discontinued Operation
 $0.06  $  $0.01 
Net Income per Basic Share
 $2.76  $2.77  $1.50 
Diluted Earnings per Share:
            
Continuing Operations
 $2.66  $2.74  $1.48 
Discontinued Operation
 $0.06  $  $ 
Net Income per Diluted Share
 $2.73  $2.74  $1.48 
 
Options to purchase 150,000 shares, 67,500 shares, and 99,300 shares of common stock were not included in the computation of diluted earnings per share for 2012, 2011, and 2010, respectively, because the options' exercise prices were greater than the average market price for the common stock and the effect would have been antidilutive. In addition, the dilutive effect of restricted stock units totaling 28,500, 45,700, and 22,100 shares of common stock was not included in the computation of diluted earnings per share in 2012, 2011, and 2010, respectively, as the effect would have been antidilutive or, for unvested performance-based restricted stock units, the performance conditions had not been met as of the end of the reporting periods during the year.