Weighted Average Shares Outstanding (Tables)

12 Months Ended

Dec. 31, 2020

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
	2020	2019	2018
Basic	50,880,846	51,213,518	52,304,190
Dilutive effect of:
Stock options	66,738	176,984	260,240
Performance share awards	150,002	242,667	267,176
Diluted	51,097,586	51,633,169	52,831,606