Income Taxes, Income Tax Components (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 27, 2024	Dec. 29, 2023
Income Tax Disclosure [Abstract]
United States income taxes	$ 15.1	$ 12.1
Foreign income taxes	13.3	8.3
Provision for income taxes	$ 28.4	$ 20.4
Effective tax rate	14.90%	8.10%