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Earnings Per Share (Schedule Of Weighted Average Shares Outstanding) (Details) - shares
shares in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Earnings Per Share [Abstract]        
Weighted average common shares, basic 30,340 29,864 30,245 29,790
Dilutive effect of stock options   1,540   1,733
Weighted average common shares, diluted 30,340 31,404 30,245 31,523