VALUATION AND QUALIFYING ACCOUNTS (Detail) - USD ($) $ in Millions	12 Months Ended
	Oct. 01, 2017	Oct. 02, 2016	Sep. 27, 2015
Allowance for Doubtful Accounts, Current [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of period	$ 41.7	$ 26.0	$ 22.2
Charged to costs and expenses	2.1	9.0	3.1
Charged to other accounts	0.0	6.7	0.7
Deductions- recoveries and write-offs	0.0	0.0	0.0
Balance at end of period	43.8	41.7	26.0
Tax Valuation Allowance
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of period	456.4	250.6	218.9
Charged to costs and expenses	(77.2)	35.3	13.3
Charged to other accounts	0.0	170.5	18.4
Deductions- recoveries and write-offs	0.0	0.0	0.0
Balance at end of period	$ 379.2	$ 456.4	$ 250.6