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Borrowings and Credit Arrangements - Interest Expense Senior Notes (Details) - Senior Notes - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 30, 2024 | Apr. 01, 2023 | Mar. 30, 2024 | Apr. 01, 2023
2028 Senior Notes |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Stated interest rate | 4.625% |  | 4.625% |
Interest expense | $ 4.8 | $ 4.8 | $ 9.6 | $ 10.0
2029 Senior Notes |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Stated interest rate | 3.25% |  | 3.25% |
Interest expense | $ 8.2 | 8.2 | $ 16.4 | 17.1
Total |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Interest expense | $ 13.0 | $ 13.0 | $ 26.0 | $ 27.1

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