DEBT - Schedule of Debt (Details) - USD ($) $ in Millions	Apr. 03, 2022	Sep. 30, 2021
Debt Instrument [Line Items]
Obligations under finance leases	$ 97.6	$ 101.9
Total debt	3,288.9	2,542.8
Unamortized discount on debt	(0.9)	(0.9)
Debt issuance costs	(39.6)	(35.6)
Less current portion	(12.1)	(12.0)
Long-term debt, net of current portion	$ 3,236.3	$ 2,494.3
Stated rate	5.00%	4.90%
Term Loan Facility, variable rate, due March 3, 2028
Debt Instrument [Line Items]
Revolver facility	$ 396.0	$ 398.0
Stated rate	2.50%	2.50%
5.75% Notes, due July 15, 2025
Debt Instrument [Line Items]
Senior notes	$ 450.0	$ 450.0
Stated rate	5.75%	5.80%
4.00% Notes, due October 1, 2026
Debt Instrument [Line Items]
Senior notes	$ 470.3	$ 492.9
Stated rate	4.00%	4.00%
5.00% Notes, due October 1, 2029
Debt Instrument [Line Items]
Senior notes	$ 300.0	$ 300.0
Stated rate	5.00%	5.00%
5.50% Notes, due July 15, 2030
Debt Instrument [Line Items]
Senior notes	$ 300.0	$ 300.0
Stated rate	5.50%	5.50%
3.875% Notes, due March 15, 2031
Debt Instrument [Line Items]
Senior notes	$ 500.0	$ 500.0
Stated rate	3.875%	3.90%
Revolving Credit Facility
Debt Instrument [Line Items]
Revolver facility	$ 775.0	$ 0.0
Stated rate	3.00%	0.00%

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- Definition

Amount of short-term and long-term debt and lease obligation.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount, after accumulated amortization, of debt discount (premium).

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Present value of lessee's discounted obligation for lease payments from finance lease.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

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