Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2019

Earnings Per Share [Abstract]

Schedule of reconciliation of shares outstanding for basic and diluted earnings per share

The following is a reconciliation of weighted average shares outstanding for basic and diluted earnings per share for the three months ended March 31, 2019 and 2018(in thousands):

	For the Three Months Ended March 31,
	2019	2018
Shares outstanding for basic earnings per share	86,204	87,331
Shares outstanding for diluted earnings per share:
Shares outstanding for basic earnings per share	86,204	87,331
Dilutive effect of share-based payment awards	1,345	1,613
	87,549	88,944

Schedule of number of anti-dilutive stock options

The following table presents information concerning those anti-dilutive options for the three months ended March 31, 2019 and 2018(in thousands):  

	For the Three Months Ended March 31,
	2019	2018
Weighted average number of shares underlying anti-dilutive options	463	167