Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2016

Earnings Per Share [Abstract]

Reconciliation of Average Share Amounts used to Compute Both Basic and Diluted Earnings Per Share

The following table reconciles the average share amounts used to compute both basic and diluted earnings per share (in thousands):

	Years Ended December 31,
	2016		2015		2014
Weighted average shares outstanding:
Basic weighted average shares outstanding		117,533		117,465		114,798
Add: Dilutive effect of stock options		1,314		1,454		1,973
Diluted weighted average shares outstanding		118,847		118,919		116,771