XML 63 R50.htm IDEA: XBRL DOCUMENT v3.8.0.1
Earnings Per Share (Schedule Of Weighted Average Shares Outstanding) (Details) - shares
shares in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Earnings Per Share [Abstract]        
Weighted average common shares, basic 24,470 24,440 24,464 24,452
Dilutive effect of stock options 421 235 441 192
Weighted average common shares, diluted 24,891 24,675 24,905 24,644