Marketable Securities (Tables)

12 Months Ended

Sep. 29, 2023

Investments, Debt and Equity Securities [Abstract]

Debt Securities, Available-for-sale

The Company’s portfolio of available-for-sale marketable securities consists of the following (in millions):

	Current				Noncurrent
	September 29, 2023		September 30, 2022		September 29, 2023		September 30, 2022
U.S. Treasury and government	$	15.1	$	13.1	$	4.1	$	0.5
Corporate bonds and notes	—		0.2		—		—
Municipal bonds	0.5		7.0		—		—
Total marketable securities	$	15.6	$	20.3	$	4.1	$	0.5