Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 02, 2021	Jun. 26, 2020	Jul. 02, 2021	Jun. 26, 2020
Income Tax Disclosure [Abstract]
Document Period End Date			Jul. 02, 2021
United States income taxes	$ (13.8)	$ 4.1	$ 63.7	$ 27.3
Foreign income taxes	12.2	10.2	46.8	30.4
Provision (benefit) for income taxes	$ (1.6)	$ 14.3	$ 110.5	$ 57.7
Effective tax rate	(0.50%)	9.90%	8.60%	9.20%