RECEIVABLES (Details) - USD ($) $ in Millions	Jul. 03, 2020	Sep. 27, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade and unbilled receivables, gross	$ 1,115.2	$ 1,193.5
Allowance for doubtful accounts	(50.1)	(46.5)
Trade and unbilled receivables, net	1,065.1	1,147.0
Short-term	987.4	1,106.3
Long-term	77.7	40.7
Notes Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Long-term notes receivable	$ 35.8	$ 33.6