Supplemental Income Statement Information (Store Operating Expenses) (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2023	Jan. 01, 2023
Store Operating Expenses [Line Items]
Wages and benefits	$ 2,209.3	$ 2,215.7
Occupancy costs	745.7	671.5
Other store operating expenses	896.5	778.1
Store operating expenses	$ 3,851.5	$ 3,665.3