v3.25.2
Stock-Based Compensation - Additional Information (Detail) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 9 Months Ended
Jun. 28, 2025
Jun. 29, 2024
Stock option plans    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Options granted (in shares) 0.6 0.6
Weighted-average exercise prices (in dollars per share) $ 77.47 $ 72.32
Share-based compensation, stock options outstanding (in shares) 4.4  
Weighted-average exercise price of options outstanding (in dollars per share) $ 57.77  
Unrecognized compensation expense $ 10.9  
Weighted-average period for recognition of unrecognized stock-based compensation, years 2 years 6 months  
Restricted stock units    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares granted (in shares) 0.7 0.7
Restricted stock units (RSUs), weighted average grant date fair values (in dollars per share) $ 78.45 $ 72.03
Unrecognized compensation expense $ 55.4  
Weighted-average period for recognition of unrecognized stock-based compensation, years 1 year 10 months 24 days  
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) $ 79.00 $ 71.92
PSU Free Cash Flow    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares granted (in shares) 0.1 0.1
Period 3 years  
Restricted stock units (RSUs), weighted average grant date fair values (in dollars per share) $ 79.00 $ 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
Period 3 years  
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