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Earnings Per Share and Dividends (Basic And Diluted Weighted-Average Shares Outstanding) (Details) - shares
3 Months Ended 6 Months Ended
Mar. 30, 2019
Mar. 31, 2018
Mar. 30, 2019
Mar. 31, 2018
Earnings Per Share [Abstract]        
Basic weighted-average shares outstanding 34,886,541 35,770,089 34,850,898 35,771,247
Dilutive effect of equity-based awards 354,572 409,769 332,573 419,208
Diluted weighted-average shares outstanding 35,241,113 36,179,858 35,183,471 36,190,455