Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2021

Earnings Per Share [Abstract]

Reconciliation of Number of Common Stock used in Computing Basic and Diluted Earning Per Share

The following table provides a reconciliation of the number of shares of common stock used in computing basic and diluted earnings per share:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2021		2020		2021		2020
Weighted average shares outstanding - basic		115,820,522		117,610,178		116,157,336		118,330,176
Dilutive effect of share-based awards		740,720		749,706		749,236		752,552
Weighted average shares outstanding - diluted		116,561,242		118,359,884		116,906,572		119,082,728