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Borrowings and Credit Arrangements - Interest Expense Credit Agreement (Details) - Credit Agreement - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 29, 2025 | Mar. 30, 2024 | Mar. 29, 2025 | Mar. 30, 2024
Line of Credit Facility [Line Items] |  |  |  |
Interest expense | $ 17.6 | $ 21.2 | $ 36.5 | $ 43.8
Weighted average interest rate | 5.42% | 6.43% | 5.54% | 6.43%
Interest rate at end of period | 5.43% | 6.43% | 5.43% | 6.43%

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