Net Income (Loss) per Share (Tables)

12 Months Ended

Dec. 31, 2013

Earnings Per Share [Abstract]

Reconciliation Of Shares Used In Calculating Basic And Diluted Earnings Per Share

A reconciliation of shares used in calculating basic and diluted earnings per share follows:

	Year Ended December 31,
	2013	2012	2011
Basic	54,725,236	55,292,597	52,876,999
Effect of assumed exercised options	—	1,838,444	2,131,743
Diluted	54,725,236	57,131,041	55,008,742