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Stockholders' Equity and Stock-Based Compensation - Information Pertaining to Stock Options Granted and Related Assumptions (Detail) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
12 Months Ended
Sep. 30, 2023
Sep. 24, 2022
Sep. 25, 2021
Share-Based Payment Arrangement [Abstract]      
Options granted (in shares) 0.5 0.7 0.6
Weighted-average exercise price $ 74.66 $ 71.07 $ 68.62
Weighted average grant date fair value (in usd per share) $ 25.95 $ 21.01 $ 19.86
Assumptions:      
Risk-free interest rates 4.30% 1.10% 0.40%
Expected life (in years) 4 years 9 months 18 days 4 years 9 months 18 days 4 years 9 months 18 days
Expected volatility 33.90% 34.20% 35.00%
Dividend yield $ 0.0 $ 0.0 $ 0.0