Earnings Per Share (Schedule Of Calculation Of Numerator And Denominator In Earnings Per Share) (Details) - shares shares in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Earnings Per Share [Abstract]
Weighted average shares outstanding used to compute basic earnings per share	34,079	33,814	33,988	33,734
Incremental dilutive shares attributable to stock options and restricted stock	0	40	0	42
Shares used to compute diluted earnings per share	34,079	33,854	33,988	33,776