Earnings Per Share

6 Months Ended

Jun. 30, 2018

Earnings Per Share [Abstract]

Earnings Per Share

Earnings Per Share

A reconciliation of basic and diluted weighted-average shares outstanding is as follows:

	Three Months Ended June 30,		Six Months Ended June 30,
	2018	2017	2018	2017
Basic weighted average shares outstanding	113,350,175	116,646,669	113,762,340	117,205,467
Weighted average dilutive options outstanding	2,301,237	2,449,882	2,434,633	2,554,158
Diluted weighted average shares outstanding	115,651,412	119,096,551	116,196,973	119,759,625
Antidilutive shares	1,381,686	1,444,280	960,753	1,037,328