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Marketable Securities | 3 Months Ended
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Dec. 30, 2022
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):
| 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 |
Neither gross unrealized gains and losses nor realized gains and losses were material as of December 30, 2022, or September 30, 2022.

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- Definition The entire disclosure for investments in certain debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -URI https://asc.fasb.org/subtopic&trid=2209399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -URI https://asc.fasb.org/subtopic&trid=2324412 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI https://asc.fasb.org/topic&trid=2196928 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 320 -URI https://asc.fasb.org/subtopic&trid=2176304 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1403 -Paragraph (b) + Details
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