Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2021	Jan. 01, 2021
Income Tax Disclosure [Abstract]
Document Period End Date	Dec. 31, 2021
United States income taxes	$ 18.4	$ 41.0
Foreign income taxes	17.8	20.6
Provision (benefit) for income taxes	$ 36.2	$ 61.6
Effective tax rate	8.30%	10.80%