RECEIVABLES (Details) - USD ($) $ in Millions	Jan. 03, 2020	Sep. 27, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade and unbilled receivables, gross	$ 1,174.7	$ 1,193.5
Allowance for doubtful accounts	(47.0)	(46.5)
Trade and unbilled receivables, net	1,127.7	1,147.0
Short-term	1,079.2	1,106.3
Long-term	48.5	40.7
Notes Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Long-term notes receivable	$ 34.1	$ 33.6