Stockholders' Equity (Schedule Of Computation Of Basic And Diluted Earnings Per Share) (Details) - shares shares in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Stockholders' Equity Note [Abstract]
Weighted average shares outstanding for basic earnings per share (in shares)	24,279	23,931	24,247	23,842
Common stock equivalents pertaining to stock options and deferred stock units	336	372	331	456
Weighted average shares outstanding for diluted earnings per share (in shares)	24,615	24,303	24,578	24,298