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Earnings Per Share - Narrative (Details) - shares
shares in Millions
12 Months Ended
Oct. 02, 2021
Oct. 03, 2020
Sep. 28, 2019
Share-based awards      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive Securities Excluded from Computation of Diluted Earnings Per Share 0.1 0.1 0.1