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Stock-Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions | 6 Months Ended
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Mar. 29, 2025 | Mar. 30, 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) | $ 78.07 | $ 72.27
Share-based compensation, stock options outstanding (in shares) | 4.5 |
Weighted-average exercise price of options outstanding (in dollars per share) | $ 57.90 |
Unrecognized compensation expense | $ 13.3 |
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) | $ 78.83 | $ 72.00
Unrecognized compensation expense | $ 68.1 |
Weighted-average period for recognition of unrecognized stock-based compensation, years | 2 years 1 month 6 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 |

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