Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 02, 2021	Mar. 27, 2020	Apr. 02, 2021	Mar. 27, 2020
Income Tax Disclosure [Abstract]
Document Period End Date			Apr. 02, 2021
United States income taxes	$ 36.4	$ 11.8	$ 77.4	$ 23.3
Foreign income taxes	14.1	10.1	34.6	20.3
Provision for income taxes	$ 50.5	$ 21.9	$ 112.0	$ 43.6
Effective tax rate	13.40%	10.80%	11.80%	9.00%