FINANCIAL DERIVATIVES AND HEDGING ACTIVITIES - Summary of Income Recognized From Derivative Instruments (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 01, 2021	Oct. 02, 2020	Sep. 27, 2019
Derivative [Line Items]
Unrealized gain on interest rate swap contracts, net of tax	$ 0.0	$ 0.4	$ (6.2)
Designated as Hedging Instrument | Interest Rate Swap
Derivative [Line Items]
Unrealized gain on interest rate swap contracts, net of tax	0.0	(3.4)	(6.3)
Designated as Hedging Instrument | Interest Rate Swap | Interest Expense
Derivative [Line Items]
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income Fiscal Year Ended	0.0	(1.5)	1.9
Designated as Hedging Instrument | Cross Currency Swap Contracts
Derivative [Line Items]
Unrealized gain on interest rate swap contracts, net of tax	(0.3)	(1.3)	(0.2)
Designated as Hedging Instrument | Cross Currency Swap Contracts | Interest Expense
Derivative [Line Items]
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income Fiscal Year Ended	$ 1.3	$ 1.5	$ 0.2