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Marketable Securities | 6 Months Ended
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Apr. 02, 2021
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
Available for sale: | April 2, 2021 |  | October 2, 2020 |  | April 2, 2021 |  | October 2, 2020
U.S. Treasury and government | $ | 105.0 |  |  | $ | 129.4 |  |  | $ | — |  |  | $ | 5.0 |
Corporate bonds and notes | 251.8 |  |  | 276.8 |  |  | 2.2 |  |  | — |
Municipal bonds | 2.9 |  |  | 1.9 |  |  | 1.8 |  |  | 0.2 |
Total | $ | 359.7 |  |  | $ | 408.1 |  |  | $ | 4.0 |  |  | $ | 5.2 |
The contractual maturities of noncurrent available-for-sale marketable securities were due within two years or less. There were gross unrealized gains of $0.1 million on U.S. Treasury securities and $0.1 million on corporate bonds and notes as of April 2, 2021, and gross unrealized gains of $0.3 million on U.S. Treasury securities and $0.2 million on corporate bonds and notes as of October 2, 2020.

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