Income Taxes (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended			9 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Mar. 30, 2019	Jun. 27, 2020	Jun. 29, 2019	Sep. 28, 2019
Segment Reporting Information [Line Items]
Unrecognized Tax Benefits	$ 200.3			$ 200.3		$ 101.6
Company's effective tax rate	19.00%	17.80%		60.30%	40.70%
Increase to income tax expense adoption of ASU 2016-16		$ 29.5
Decrease in deferred tax liabilities due to ASC 2016-16		48.7
Increase to Net Income resulted from adoption of ASU 2016-16		$ 19.2
Increase to Earnings per Share resulted from adoption of ASC 2016-16		$ 0.07
Increase in deferred tax assets resulting from adoption of ASCU 2016-16			$ 2.9
Decease in accumulated deficit resulting from adoption of ASCU 2016-16			2.5
Decease to prepaid taxes resulting from adoption of ASCU 2016-16			$ 0.4
Medical Aesthetics [Domain]
Segment Reporting Information [Line Items]
Other Tax Expense (Benefit)				$ 312.8