GOODWILL AND INTANGIBLE ASSETS - Gross Carrying Amount and Accumulated Amortization of Intangible Assets (Detail) - USD ($) $ in Millions	Jun. 28, 2019	Sep. 28, 2018
Finite Lived Intangible Assets [Line Items]
Finite lived intangible assets, gross	$ 364.8	$ 191.1
Accumulated Amortization	(110.9)	(98.8)
Net Carrying Amount	253.9	92.3
In-process research and development with indefinite lives	19.2	8.8
Total intangible assets	384.0	199.9
Total intangible assets, net	273.1	101.1	[1]
Technologies, patents, and trade names
Finite Lived Intangible Assets [Line Items]
Finite lived intangible assets, gross	240.4	139.6
Accumulated Amortization	(81.4)	(73.9)
Net Carrying Amount	159.0	65.7
Customer contracts, supplier relationships, and partner relationships
Finite Lived Intangible Assets [Line Items]
Finite lived intangible assets, gross	118.3	44.9
Accumulated Amortization	(23.5)	(19.1)
Net Carrying Amount	94.8	25.8
Other
Finite Lived Intangible Assets [Line Items]
Finite lived intangible assets, gross	6.1	6.6
Accumulated Amortization	(6.0)	(5.8)
Net Carrying Amount	$ 0.1	$ 0.8

[1] The condensed consolidated balance sheet as of September 28, 2018, was derived from audited financial statements as of that date, but does not include all disclosures required by accounting principles generally accepted in the United States of America.