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DEBT - Additional Debt Instruments (Details) - USD ($) $ in Millions			3 Months Ended			9 Months Ended
	Jun. 20, 2025	May 20, 2025	Jun. 28, 2025	Dec. 28, 2024	Jun. 29, 2024	Jun. 28, 2025	Jun. 29, 2024	Sep. 30, 2024	Jul. 12, 2024	Jul. 11, 2024
Debt Instrument [Line Items]
Accrued interest			$ 380.0			$ 380.0		$ 185.0
Refinancing costs			7.0		$ 30.0	7.0	$ 59.0
Finance lease obligations			$ 279.0			$ 279.0		$ 262.0
Securitization Facility
Debt Instrument [Line Items]
Interest rate									1.35%	1.45%
Debt instrument, extension term			1 year			1 year
Line of Credit Facility, Maximum Borrowing Capacity			$ 650.0			$ 650.0			$ 725.0	$ 650.0
Proceeds from revolving credit facility				$ 163.0
Debt, weighted average interest rate			5.73%			5.73%		6.73%
Debt instrument, basis spread on variable rate						1.45%
Government refundable advances
Debt Instrument [Line Items]
Government refundable advances			$ 12.0			$ 12.0		$ 17.0
Finance Lease Obligations
Debt Instrument [Line Items]
Finance lease obligations			$ 279.0			$ 279.0		$ 262.0
Senior Subordinated Notes | Senior Subordinated Notes $2,650M due 2033 6.375%
Debt Instrument [Line Items]
Interest rate		6.375%	6.375%			6.375%
Debt instrument, face amount		$ 2,650.0
Redemption price, percentage		99.225%
Debt instrument, unamortized discount		$ 20.5
Long term debt, guaranteed principal amount,		$ 200.0
Capitalized debt issuance costs			$ 14.0			$ 14.0
Senior Subordinated Notes | Senior Subordinated Notes $1200M Due 2029 4.625%
Debt Instrument [Line Items]
Interest rate			4.625%			4.625%		4.625%
Senior Subordinated Notes | Senior Subordinated Notes $750M due 2029 4.875%
Debt Instrument [Line Items]
Interest rate			4.875%			4.875%		4.875%
Senior Subordinated Notes | Senior Subordinated Notes $2650M Due 2027 5.50%
Debt Instrument [Line Items]
Interest rate								5.50%
Redemption price, percentage	100.00%
Debt instrument, repurchased face amount	$ 2,650.0
Refinancing costs						$ 7.0
Deferred debt issuance cost, writeoff						$ 7.0

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