BUSINESS COMBINATIONS - Purchase Price Allocation (Details) - USD ($) $ in Millions	Jun. 28, 2019	Sep. 28, 2018	[1]
Business Acquisition [Line Items]
Goodwill	$ 566.9	$ 293.6
Cancer Treatment Services International
Business Acquisition [Line Items]
Assets acquired (1)	54.0
Liabilities assumed (2)	(65.0)
Goodwill	182.1
Intangible assets	117.0
Fair value of net assets	288.1
Less: Non-controlling interest (3)	8.8
Total purchase consideration	279.3
Cash and cash equivalents	5.4
Deferred tax liabilities	33.9
Endocare and Alicon
Business Acquisition [Line Items]
Assets acquired (1)	32.9
Liabilities assumed (2)	(17.7)
Goodwill	122.7
Intangible assets	71.5
Fair value of net assets	209.4
Less: Non-controlling interest (3)	0.0
Total purchase consideration	209.4
Cash and cash equivalents	11.5
Deferred tax liabilities	$ 14.8

[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.