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Earnings Per Share Data (Tables)
3 Months Ended
Mar. 31, 2014
Earnings Per Share [Abstract]  
Shares used in the denominators of basic and diluted earnings per share computations
Shares used in the denominators of the basic and diluted earnings per share computations were as follows: 
Earnings Per Share
Three Months Ended March 31,
(Shares in thousands)
2014
 
2013
Actual weighted average common shares outstanding
49,631

 
49,374

Dilutive effect of common stock equivalents
616

 
815

Diluted weighted average common shares outstanding
50,247

 
50,189

Options and stock appreciation rights (“SARs”) excluded from computation as anti- dilutive because they are out–of–the–money
2,677

 
1,581

Unvested restricted stock and restricted stock units (“RSUs”) considered to be
   participating securities
383

 
253

Effect of allocation of undistributed earnings to participating securities under the two
   class method:

 

Basic earnings per share
$

 
$

Diluted earnings per share
$

 
$