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Stock-Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions | 3 Months Ended
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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 |

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