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Cash, Cash Equivalents and Short-Term Investments | 3 Months Ended
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Sep. 30, 2023
Cash, Cash Equivalents, and Short-Term Investments [Abstract] |
Cash, Cash Equivalents and Short-Term Investments | . Cash, Cash Equivalents and Short-Term Investments The following table summarizes our cash, cash equivalents and short-term investments by category at September 2023 and June 2023 (in millions):
|  | September 2023 |
|  | Amortized Cost |  |  | Gross unrealized loss |  |  | Fair Value |
Cash |  | $ | 323.6 |  |  | $ | — |  |  | $ | 323.6 |
Cash equivalents: |  |  |  |  |  |  |  |  |
Money market funds |  |  | 426.7 |  |  |  | — |  |  |  | 426.7 |
Certificates of deposit |  |  | 51.0 |  |  |  | — |  |  |  | 51.0 |
Total cash and cash equivalents |  | $ | 801.3 |  |  | $ | — |  |  | $ | 801.3 |
Short-term investments: |  |  |  |  |  |  |  |  |
Treasury bills |  | $ | 16.6 |  |  | $ | — |  |  | $ | 16.6 |
Corporate debt securities |  |  | 5.6 |  |  |  | (0.1 | ) |  |  | 5.5 |
Municipal bonds |  |  | 1.0 |  |  |  | — |  |  |  | 1.0 |
Total short-term investments |  | $ | 23.2 |  |  | $ | (0.1 | ) |  | $ | 23.1 |
|  | June 2023 |
|  | Amortized Cost |  |  | Gross unrealized loss |  |  | Fair Value |
Cash |  | $ | 853.9 |  |  | $ | — |  |  | $ | 853.9 |
Cash equivalents: |  |  |  |  |  |  |  |  |
Money market funds |  |  | 54.4 |  |  |  | — |  |  |  | 54.4 |
Treasury bills |  |  | 16.4 |  |  |  | — |  |  |  | 16.4 |
Total cash and cash equivalents |  | $ | 924.7 |  |  | $ | — |  |  | $ | 924.7 |
Short-term investments: |  |  |  |  |  |  |  |  |
Certificates of deposit |  | $ | 0.2 |  |  | $ | — |  |  | $ | 0.2 |
Corporate debt securities |  |  | 6.5 |  |  |  | (0.2 | ) |  |  | 6.3 |
Municipal bonds |  |  | 3.1 |  |  |  | — |  |  |  | 3.1 |
Total short-term investments |  | $ | 9.8 |  |  | $ | (0.2 | ) |  | $ | 9.6 |
The following table classifies our short-term investments by contractual maturities (in millions):
|  | September 2023 |  |  | June 2023 |
|  | Amortized cost |  |  | Fair value |  |  | Amortized cost |  |  | Fair value |
Due within 1 year |  | $ | 23.2 |  |  | $ | 23.1 |  |  | $ | 9.8 |  |  | $ | 9.6 |
Due between 1 year to 5 years |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
|  | $ | 23.2 |  |  | $ | 23.1 |  |  | $ | 9.8 |  |  | $ | 9.6 |

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- Definition The entire disclosure of the components of cash, cash equivalents, and short-term investments. Short-term investments may include current marketable securities. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//320/tableOfContent + Details
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