v3.25.2
Borrowings and Credit Arrangements - Company's Borrowings (Detail) - USD ($)
$ in Millions
Jun. 28, 2025
Sep. 28, 2024
Debt Instrument [Line Items]    
Current portion of long-term debt $ 0.0 $ 37.5
Total long-term debt obligations 2,509.0 2,497.1
Total debt obligations 2,509.0 2,534.6
Term Loan*    
Debt Instrument [Line Items]    
Current portion of long-term debt 0.0 37.5
Long term debt obligations. excluding convertible notes 1,168.5 1,158.7
2028 Senior Notes    
Debt Instrument [Line Items]    
Long term debt obligations. excluding convertible notes 398.1 397.6
2029 Senior Notes    
Debt Instrument [Line Items]    
Long term debt obligations. excluding convertible notes $ 942.4 $ 940.8