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Borrowings and Credit Arrangements - Company's Borrowings (Detail) - USD ($) $ in Millions | Apr. 01, 2023 | Sep. 24, 2022
--- | --- | ---
Debt Instrument [Line Items] |  |
Current portion of long-term debt | $ 26.2 | $ 15.0
Total long-term debt obligations | 2,797.7 | 2,808.4
Total debt obligations | 2,823.9 | 2,823.4
Term Loan |  |
Debt Instrument [Line Items] |  |
Current portion of long-term debt | 26.2 | 15.0
Long term debt obligations. excluding convertible notes | 1,463.6 | 1,475.7
2028 Senior Notes |  |
Debt Instrument [Line Items] |  |
Long term debt obligations. excluding convertible notes | 396.4 | 396.1
2029 Senior Notes |  |
Debt Instrument [Line Items] |  |
Long term debt obligations. excluding convertible notes | $ 937.7 | $ 936.6

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