Marketable Securities

6 Months Ended

Mar. 28, 2025

Investments, Debt and Equity Securities [Abstract]

MARKETABLE SECURITIES

3.    MARKETABLE SECURITIES

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

	Current				Noncurrent
	March 28, 2025		September 27, 2024		March 28, 2025		September 27, 2024
U.S. Treasury and government securities	$	99.8	$	39.0	$	21.1	$	11.1
Corporate bonds and notes	19.0		155.0		—		0.3
Municipal bonds	—		0.1		—		—
Total marketable securities	$	118.8	$	194.1	$	21.1	$	11.4

The contractual maturities of noncurrent available-for-sale marketable securities were within two years or less of issuance of the applicable securities. Neither gross unrealized gains and losses nor realized gains and losses were material as of March 28, 2025, or September 27, 2024.