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Borrowings and Credit Arrangements - Additional Information (Detail) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Mar. 30, 2024 | Dec. 30, 2023 | Apr. 01, 2023 | Mar. 30, 2024 | Apr. 01, 2023 | Aug. 25, 2022 | Sep. 27, 2021
Interest Rate Swap, Agreement One |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Derivative notional amount | $ 1,000.0 |  |  | $ 1,000.0 |  |  |
Variable interest rate | 1.23% |  |  | 1.23% |  |  |
Interest Rate Swap, Agreement Two |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Derivative notional amount | $ 500.0 |  |  | $ 500.0 |  |  |
Variable interest rate | 3.46% |  |  | 3.46% |  |  |
Interest Rate Swap |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Derivative notional amount |  |  |  |  |  | $ 1,000.0 |
Variable interest rate |  |  |  |  |  | 1.23% |
Proceeds from swap | $ 2.4 |  | $ 8.6 | $ 12.0 | $ 15.2 |  |
Secured Term Loan | 2021 Term Loan |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Senior notes, face amount | 1,200.0 |  |  | 1,200.0 |  |  | $ 1,500.0
Repayments of Debt |  | $ 250.0 |  |  |  |  |
Revolver | 2021 Revolver |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Revolving credit facility borrowings |  |  |  |  |  |  | $ 2,000.0
Senior Notes | 2028 Senior Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Senior notes, face amount | $ 400.0 |  |  | $ 400.0 |  |  |
Stated interest rate | 4.625% |  |  | 4.625% |  |  |
Senior Notes | 2029 Senior Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Stated interest rate | 3.25% |  |  | 3.25% |  |  |
Senior notes | $ 950.0 |  |  | $ 950.0 |  |  |

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