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Disposition (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
	Nov. 20, 2019	Mar. 28, 2020	Dec. 28, 2019	Mar. 28, 2020	Mar. 30, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Expenses from disposition		$ 2.4
Intangible asset and equipment impairment charges			$ 30.2	$ 30.2	$ 443.8
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Medical Aesthetics
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Consideration	$ 205.0
Proceeds from Divestiture of Businesses	$ 153.4
Cost of revenues
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Intangible asset and equipment impairment charges			25.8
Operating Expense
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Intangible asset and equipment impairment charges			$ 4.4

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