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Segment and Geographic Information (Tables) | 9 Months Ended
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Mar. 31, 2025
Segment Reporting [Abstract] |
Disaggregation of Revenue | The Company sells its products primarily to distributors in the Asia Pacific region, who in turn sell these products to end customers. Because the Company’s distributors sell their products to end customers which may have a global presence, revenue by geographical location is not necessarily representative of the geographical distribution of sales to end user markets. The revenue by geographical location in the following tables is based on the country or region in which the products were shipped to:
| Three Months Ended March 31, |  | Nine Months Ended March 31,
| 2025 |  | 2024 |  | 2025 |  | 2024
| (in thousands) |  | (in thousands)
Hong Kong | $ | 141,316 |  |  | $ | 123,731 |  |  | $ | 445,451 |  |  | $ | 389,018 |
China | 18,701 |  |  | 19,108 |  |  | 55,871 |  |  | 76,270 |
South Korea | 515 |  |  | 326 |  |  | 1,214 |  |  | 9,670 |
United States | 1,167 |  |  | 1,728 |  |  | 2,939 |  |  | 4,128 |
Other countries | 2,936 |  |  | 5,167 |  |  | 14,203 |  |  | 16,892 |
| $ | 164,635 |  |  | $ | 150,060 |  |  | $ | 519,678 |  |  | $ | 495,978 |
The following is a summary of revenue by product type:
| Three Months Ended March 31, |  | Nine Months Ended March 31,
| 2025 |  | 2024 |  | 2025 |  | 2024
| (in thousands) |  | (in thousands)
Power discrete | $ | 106,822 |  |  | $ | 93,815 |  |  | $ | 342,232 |  |  | $ | 324,093 |
Power IC | 54,576 |  |  | 49,990 |  |  | 161,251 |  |  | 153,032 |
Packaging and testing services and other | 438 |  |  | 1,204 |  |  | 2,354 |  |  | 2,694 |
License and development services | 2,799 |  |  | 5,051 |  |  | 13,841 |  |  | 16,159 |
| $ | 164,635 |  |  | $ | 150,060 |  |  | $ | 519,678 |  |  | $ | 495,978 |
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas | Long-lived assets, net consisting of property, plant and equipment and operating lease right-of-use assets, net by geographical area are as follows:
| March 31, 2025 |  | June 30, 2024
| (in thousands)
China | $ | 99,300 |  |  | $ | 106,666 |
United States | 234,041 |  |  | 249,791 |
Other countries | 4,952 |  |  | 5,212 |
| $ | 338,293 |  |  | $ | 361,669 |

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 + Details
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- Definition Tabular disclosure of information concerning material long-lived assets (excluding financial instruments, customer relationships with financial institutions, mortgage and other servicing rights, deferred policy acquisition costs, and deferred taxes assets) located in identified geographic areas and/or the amount of revenue from external customers attributed to that country from which revenue is material. An entity may also provide subtotals of geographic information about groups of countries. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-41 + Details
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