FAIR VALUE - Additional Information (Details) - USD ($) $ in Millions		3 Months Ended
	Sep. 29, 2017	Jan. 01, 2021	Oct. 02, 2020
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Equity investments in privately-held companies		$ 78.3	$ 68.2
Fair value decreases recognized in other income, net		0.8
Unrealized gain on equity securities		9.4
Notes Receivable
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Long-term notes receivable		37.5	36.7
C P T C
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Impairment charges on loans	$ 51.4
CPTC Loans		11.8	$ 11.8
Impairment charge		$ 40.5
Minimum
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Derivative, term of contract		1 month
Maximum
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Derivative, term of contract		15 months