XML 20 R10.htm IDEA: XBRL DOCUMENT
v3.23.2

Investments | 9 Months Ended
--- | ---
Jun. 30, 2023
Investments, Debt and Equity Securities [Abstract] |
Investments | INVESTMENTS The Company’s investments consisted of the following:
| As of June 30, 2023
| (in thousands)
| Adjusted Basis |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
Short-term investments (due within one year) |  |  |  |  |  |  |
Held to maturity debt securities | $ | 346,369 |  |  | $ | — |  |  | $ | (4,204) |  |  | $ | 342,165 |
Held to maturity certificate of deposit | — |  |  | — |  |  | — |  |  | — |
Total short-term investments | $ | 346,369 |  |  | $ | — |  |  | $ | (4,204) |  |  | $ | 342,165 |
Long-term investments (due within one through three years) |  |  |  |  |  |  |
Held to maturity debt securities | $ | 42,758 |  |  | $ | — |  |  | $ | (294) |  |  | $ | 42,464 |
Total long-term investments | $ | 42,758 |  |  | $ | — |  |  | $ | (294) |  |  | $ | 42,464 |
| As of September 30, 2022
| (in thousands)
| Adjusted Basis |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
Short-term investments (due within one year) |  |  |  |  |  |  |
Held to maturity debt securities | $ | 218,391 |  |  | $ | — |  |  | $ | (3,661) |  |  | $ | 214,730 |
Held to maturity certificate of deposit | 50,000 |  |  | — |  |  | — |  |  | 50,000 |
Total short-term investments | $ | 268,391 |  |  | $ | — |  |  | $ | (3,661) |  |  | $ | 264,730 |
Long-term investments (due within one through three years) |  |  |  |  |  |  |
Held to maturity debt securities | $ | 105,872 |  |  | $ | — |  |  | $ | (5,569) |  |  | $ | 100,303 |
Total long-term investments | $ | 105,872 |  |  | $ | — |  |  | $ | (5,569) |  |  | $ | 100,303 |

X
- References No definition available. + Details
Name: | us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for investments in certain debt and equity securities. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//320/tableOfContent Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-10 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6B -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-6B Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6B -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-6B Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1403 -Paragraph (b) -Publisher SEC Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//946-320/tableOfContent Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 940 -SubTopic 320 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//940-320/tableOfContent Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 320 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//942-320/tableOfContent + Details
Name: | us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration