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Stock-Based Compensation - Additional Information (Details) - USD ($) $ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Jul. 31, 2018 | Oct. 01, 2022 | Oct. 02, 2021 | Oct. 03, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Granted (in shares) |  | 0 | 0 | 0
Fair value of options vested |  | $ 6.6 | $ 10.8 | $ 27.4
Intrinsic value of stock options exercised |  | $ 58.0 | $ 242.7 | $ 40.1
Stock Options |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Vesting period |  | 48 months |  |
Exercisable period |  | 10 years |  |
Unrecognized stock-based compensation expense, period of recognition |  | 2 months 12 days | 10 months 24 days |
Unrecognized stock-based compensation expense |  | $ 0.4 | $ 6.2 |
Restricted stock units |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Vesting period |  | 4 years |  |
Unrecognized stock-based compensation expense, period of recognition |  |  | 2 years 6 months |
Unrecognized stock-based compensation expense |  | $ 120.6 | $ 90.0 |
Performance Stock Units |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Unrecognized stock-based compensation expense, period of recognition |  | 7 months 6 days | 1 year 2 months 12 days |
Unrecognized stock-based compensation expense |  | $ 0.4 | $ 3.6 |
2018 Equity Incentive Plan |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Percentage of outstanding stock maximum | 5.00% |  |  |
Shares reserved for future issuance (in shares) |  | 38,593,443 |  |

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