Net Income per Share (Tables)

6 Months Ended

Jun. 30, 2019

Schedule of weighted-average ordinary shares outstanding

For the three and six months ended June 30, 2019 and 2018 the weighted-average ordinary shares outstanding for basic and diluted net income per share were as follows:



	For the three months ended		For the six months ended
	June 30, 2019	June 30, 2018	June 30, 2019	June 30, 2018
Basic weighted-average ordinary shares outstanding	161,618	171,439	162,433	171,422
Dilutive effect of stock options	568	883	601	905
Dilutive effect of unvested restricted securities	292	371	466	448
Diluted weighted-average ordinary shares outstanding	162,478	172,693	163,500	172,775

Schedule of antidilutive securities

These potential ordinary shares are as follows:



	For the three months ended		For the six months ended
	June 30, 2019	June 30, 2018	June 30, 2019	June 30, 2018
Anti-dilutive shares excluded	1,358	989	1,185	849
Contingently issuable shares excluded	794	808	635	798