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Marketable Securities | 3 Months Ended
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Dec. 31, 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: | December 31, 2021 |  | October 1, 2021 |  | December 31, 2021 |  | October 1, 2021
U.S. Treasury and government | $ | 7.8 |  |  | $ | 7.6 |  |  | $ | 3.4 |  |  | $ | 6.0 |
Corporate bonds and notes | 121.5 |  |  | 117.0 |  |  | — |  |  | — |
Municipal bonds | 7.7 |  |  | 12.6 |  |  | 0.1 |  |  | 1.1 |
Total | $ | 137.0 |  |  | $ | 137.2 |  |  | $ | 3.5 |  |  | $ | 7.1 |
The contractual maturities of noncurrent available-for-sale marketable securities were due within two years or less. Neither gross unrealized gains and losses nor realized gains and losses were material as of December 31, 2021, and October 1, 2021, respectively.

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