Earnings Per Share (Schedule Of Calculation Of Numerator And Denominator In Earnings Per Share) (Details) - shares shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Earnings Per Share [Abstract]
Weighted average shares outstanding used to compute basic earnings per share	33,870	33,620	33,780	33,541
Incremental dilutive shares attributable to stock options and restricted stock	1	29	28	137
Shares used to compute diluted earnings per share	33,871	33,649	33,808	33,678