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Stock-Based Compensation - Additional Information (Detail) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended
Dec. 28, 2024
Dec. 30, 2023
Stock option plans    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Options granted (in shares) 0.5 0.5
Weighted-average exercise prices (in dollars per share) $ 79.38 $ 71.93
Share-based compensation, stock options outstanding (in shares) 4.6  
Weighted-average exercise price of options outstanding (in dollars per share) $ 57.88  
Unrecognized compensation expense $ 17.8  
Weighted-average period for recognition of unrecognized stock-based compensation, years 2 years 4 months 24 days  
Restricted stock units    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares granted (in shares) 0.8 0.7
Restricted stock units (RSUs), weighted average grant date fair values (in dollars per share) $ 79.88 $ 71.90
Unrecognized compensation expense $ 89.1  
Weighted-average period for recognition of unrecognized stock-based compensation, years 2 years  
Performance Shares    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares granted (in shares) 0.1 0.1
Restricted stock units (RSUs), weighted average grant date fair values (in dollars per share) $ 79.39 $ 71.92
PSU Free Cash Flow [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares granted (in shares) 0.1 0.1
Restricted stock units (RSUs), weighted average grant date fair values (in dollars per share) $ 79.39 $ 71.92
Minimum eligible percentage to receive target number of shares of company's common stock 0.00%  
Maximum eligible percentage to receive target number of shares of company's common stock 200.00%  
Performance stock units vesting period 3 years  
Market Based Awards    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares granted (in shares) 0.1 0.1
Restricted stock units (RSUs), weighted average grant date fair values (in dollars per share) $ 87.41 $ 88.06
Minimum eligible percentage to receive target number of shares of company's common stock 0.00%  
Maximum eligible percentage to receive target number of shares of company's common stock 200.00%  
Performance stock units vesting period 3 years  
RSU, PSU, MSU    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number (in shares) 1.8