v3.25.4
DEBT - Schedule of Debt (Details) - USD ($)
$ in Millions
Dec. 28, 2025
Sep. 30, 2025
Debt Instrument [Line Items]    
Total debt $ 578.9 $ 581.4
Debt issuance costs (12.7) (13.5)
Less current portion (11.9) (11.7)
Long-term debt, net of current portion 554.3 556.2
3.375% Exchangeable Notes, due June 1, 2029    
Debt Instrument [Line Items]    
Secured debt $ 350.0 $ 350.0
Stated interest rate 3.375% 3.40%
5.00% Notes, due October 1, 2029    
Debt Instrument [Line Items]    
Secured debt $ 4.9 $ 4.9
Stated interest rate 5.00% 5.00%
5.50% Notes, due July 15, 2030    
Debt Instrument [Line Items]    
Secured debt $ 13.2 $ 13.2
Stated interest rate 5.50% 5.50%
3.875% Notes, due March 15, 2031    
Debt Instrument [Line Items]    
Secured debt $ 128.0 $ 128.0
Stated interest rate 3.875% 3.90%
Obligations under finance leases    
Debt Instrument [Line Items]    
Stated interest rate 5.60% 5.60%
Obligations under finance leases $ 82.8 $ 85.3