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Earnings Per Share and Dividends (Basic and Diluted Weighted-Average Shares Outstanding) (Details) - shares
12 Months Ended
Oct. 03, 2020
Sep. 28, 2019
Sep. 29, 2018
Earnings Per Share [Abstract]      
Basic weighted-average shares outstanding 33,257,684 34,854,614 35,661,638
Dilutive effect of equity-based awards 180,117 324,354 390,669
Diluted weighted-average shares outstanding 33,437,801 35,178,968 36,052,307