Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2016

Earnings Per Share [Abstract]

Schedule Of Reconciliation Of Shares Outstanding For Basic And Diluted Earnings Per Share

	For the Years Ended December 31,
	2016	2015	2014
Shares outstanding for basic earnings per share:	89,732	92,601	100,094
Shares outstanding for diluted earnings per share:
Shares outstanding for basic earnings per share	89,732	92,601	100,094
Dilutive effect of share-based payment awards	1,152	1,048	1,409
	90,884	93,649	101,503

Schedule Of Number Of Anti-Dilutive Stock Options

	For the Years Ended December 31,
	2016	2015	2014
Weighted average number of shares underlying anti-dilutive options	88	644	644