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Marketable Securities
 9 Months Ended
Jun. 28, 2024
Investments, Debt and Equity Securities [Abstract]  
Marketable Securities MARKETABLE SECURITIES
The Company’s portfolio of available-for-sale marketable securities consists of the following (in millions):    
CurrentNoncurrent
June 28, 2024September 29, 2023June 28, 2024September 29, 2023
U.S. Treasury and government securities$5.2 $15.1 $14.9 $4.1 
Corporate bonds and notes0.3 — — — 
Municipal bonds0.1 0.5 — — 
Total marketable securities$5.6 $15.6 $14.9 $4.1 
Neither gross unrealized gains and losses nor realized gains and losses were material as of June 28, 2024, or September 29, 2023.