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FAIR VALUE - Schedule of Marketable Securities (Details) - USD ($) $ in Millions | Sep. 27, 2024 | Sep. 29, 2023
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Fair Value, Investments, Entities that Calculate Net Asset Value Per Share |  |
Total marketable debt securities | $ 41.7 | $ 49.5
Unrealized Gains | 0.1 |
Total marketable debt securities | 41.8 | 49.5
Commercial paper |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share |  |
Total marketable debt securities |  | 6.0
Total marketable debt securities | 0.0 | 6.0
Corporate notes/bonds |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share |  |
Total marketable debt securities | 16.4 | 8.3
Unrealized Gains | 0.1 |
Total marketable debt securities | 16.5 | 8.3
US treasury bills |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share |  |
Total marketable debt securities | 6.1 | 28.6
Unrealized Gains | 0.0 |
Total marketable debt securities | 6.1 | 28.6
Government agencies |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share |  |
Total marketable debt securities | 18.3 | 6.6
Unrealized Gains | 0.0 |
Total marketable debt securities | 18.3 | $ 6.6
Certificates of deposit |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share |  |
Total marketable debt securities | 0.9 |
Unrealized Gains | 0.0 |
Total marketable debt securities | $ 0.9 |

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