Weighted Average Shares Outstanding (Tables)

12 Months Ended

Dec. 31, 2019

Weighted Average Shares Outstanding [Abstract]

Schedule of Weighted Average Number of Shares

A reconciliation of the weighted-average number of common shares outstanding used in the calculation of basic and diluted earnings per share follows:

	Weighted-Average Common Shares Outstanding
	2019	2018	2017
Basic	51,213,518	52,304,190	54,073,407
Dilutive effect of:
Stock options	176,984	260,240	258,052
Performance share awards	242,667	267,176	273,839
Diluted	51,633,169	52,831,606	54,605,298