LEASES - Schedule of Lease Right-of-Use Assets and Liabilities (Details) - USD ($) $ in Millions	Oct. 01, 2021	Oct. 02, 2020
Assets [Abstract]
Operating lease assets	$ 24.3	$ 27.7
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Property, plant and equipment, net	Property, plant and equipment, net
Finance lease right-of-use assets	$ 0.5	$ 0.5
Liabilities
Operating lease liabilities (current)	$ 6.2	$ 6.1
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	Accrued liabilities and other current liabilities	Accrued liabilities and other current liabilities
Finance lease liabilities (current)	$ 0.2	$ 0.2
Operating lease liabilities (non-current)	$ 18.7	$ 23.1
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other long-term liabilities	Other long-term liabilities
Finance lease liabilities (non-current)	$ 0.3	$ 0.4