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Earnings per Share (Tables)
12 Months Ended
Dec. 31, 2020
Earnings Per Share [Abstract]  
Schedule of Computation of Basic and Diluted Earnings per Share
Weighted average shares outstanding for basic and diluted earnings are as follows for the years ended December 31 (in thousands):
202020192018
Numerator:
Income from continuing operations$83,291 $59,928 $54,112 
(Loss) income from discontinued operations(18,725)5,163 9,697 
Net income available to common shareholders$64,566 $65,091 $63,809 
Denominator for basic earnings per share:
Weighted average shares outstanding32,664 32,389 31,979 
Denominator for diluted earnings per share:
Common stock options and stock units254 333 555 
Weighted average shares and conversions32,918 32,722 32,534