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Earnings Per Share (Tables)
3 Months Ended
Mar. 31, 2019
Earnings Per Share [Abstract]  
Schedule of Reconciliation of Weighted Average Shares Used to Determine Basic and Diluted Earnings Per Share
The following table provides a reconciliation of weighted-average shares used to determine basic and diluted earnings per share:
 
 
Quarter Ended 
 March 31,
In thousands
 
2019
 
2018
Basic average common shares outstanding
 
17,254

 
17,164

Effect of dilutive options and restricted stock awards
 
64

 
175

Diluted average common shares outstanding
 
17,318

 
17,339