v3.25.2
DEBT - Schedule of Debt (Details) - USD ($)
$ in Millions
Jun. 29, 2025
Sep. 30, 2024
Debt Instrument [Line Items]    
Total debt $ 681.1 $ 577.7
Debt issuance costs (14.5) (16.9)
Less current portion (10.7) (9.4)
Long-term debt, net of current portion 655.9 551.4
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 5.50% 5.40%
Obligations under finance leases $ 82.0 $ 81.6
Revolving Credit Facility    
Debt Instrument [Line Items]    
Revolver facility $ 103.0 $ 0.0
Stated interest rate 5.90% 0.00%