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Earnings Per Share (Narrative) (Details)
shares in Millions
3 Months Ended
Dec. 28, 2024
Classes
shares
Dec. 30, 2023
shares
Earnings Per Share, Basic and Diluted [Line Items]    
Number Of Classes Of Common Stock | Classes 2  
Percentage amount of per share cash dividends paid to holders of Class B stock that cannot exceed paid to holders of Class A stock 90.00%  
Class A [Member]    
Earnings Per Share, Basic and Diluted [Line Items]    
Undistributed earnings (losses), ratio used to calculate allocation to class of stock 1.0  
Class B [Member]    
Earnings Per Share, Basic and Diluted [Line Items]    
Undistributed earnings (losses), ratio used to calculate allocation to class of stock 0.9  
Share-based Payment Arrangement [Member]    
Earnings Per Share, Basic and Diluted [Line Items]    
Antidilutive securities excluded from computation of earnings per share, shares | shares 5 7