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Disposition (Details) - USD ($)		3 Months Ended
	Nov. 20, 2019	Dec. 26, 2020	Sep. 26, 2020	Dec. 28, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Intangible asset and equipment impairment charges		$ 0		$ 30,200,000
Disposal Group, Including Discontinued Operation, Operating Income (Loss)				46,500,000
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	$ 205,000,000.0
Proceeds from Divestiture of Businesses	$ 153,400,000
Indemnification liabily		$ 10,900,000
Disposal Group, Including Discontinued Operation, Segment that Includes Disposal Group			150.0 million
Cost of revenues
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Intangible asset and equipment impairment charges				25,800,000
Operating Expense
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Intangible asset and equipment impairment charges				$ 4,400,000

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Amount of operating income (loss) attributable to disposal group, including, but not limited to, discontinued operation.

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Identification of the segment that the disposal group, including discontinued operation is reported.

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