Borrowings and Credit Arrangements - Interest Expense Credit Agreement (Details) - Credit Agreement - USD ($) $ in Millions	3 Months Ended
	Dec. 30, 2023	Dec. 31, 2022
Line of Credit Facility [Line Items]
Interest expense	$ 22.6	$ 20.4
Weighted average interest rate	6.44%	4.63%
Interest rate at end of period	6.46%	5.43%