Marketable Securities (Tables)

3 Months Ended

Dec. 30, 2022

Investments, Debt and Equity Securities [Abstract]

Marketable Securities

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

	Current				Noncurrent
	December 30, 2022		September 30, 2022		December 30, 2022		September 30, 2022
U.S. Treasury and government securities	$	88.3	$	13.1	$	—	$	0.5
Corporate bonds and notes	83.7		0.2		—		—
Municipal bonds	0.7		7.0		—		—
Total marketable securities	$	172.7	$	20.3	$	—	$	0.5