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Marketable Securities (Tables) | 3 Months Ended
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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 |

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- Definition Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets. + References No definition available. + Details
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