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Segment and Geographic Information - Revenue by Location and Product Type (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Mar. 31, 2024 | Mar. 31, 2024 | Mar. 31, 2023 | Mar. 31, 2024 | Mar. 31, 2023
Revenues from External Customers and Long-Lived Assets |  |  |  |  |
Revenue |  | $ 150,060 | $ 132,560 | $ 495,978 | $ 529,796
Power discrete |  |  |  |  |
Revenues from External Customers and Long-Lived Assets |  |  |  |  |
Revenue |  | 93,815 | 80,962 | 324,093 | 363,117
Power IC |  |  |  |  |
Revenues from External Customers and Long-Lived Assets |  |  |  |  |
Revenue |  | 49,990 | 47,416 | 153,032 | 159,708
Packaging and testing services and other |  |  |  |  |
Revenues from External Customers and Long-Lived Assets |  |  |  |  |
Revenue |  | 1,204 | 552 | 2,694 | 3,341
License and development services |  |  |  |  |
Revenues from External Customers and Long-Lived Assets |  |  |  |  |
Revenue | $ 26,100 | 5,051 | 3,630 | 16,159 | 3,630
Hong Kong |  |  |  |  |
Revenues from External Customers and Long-Lived Assets |  |  |  |  |
Revenue |  | 123,731 | 106,940 | 389,018 | 438,537
China |  |  |  |  |
Revenues from External Customers and Long-Lived Assets |  |  |  |  |
Revenue |  | 19,108 | 14,360 | 76,270 | 58,104
South Korea |  |  |  |  |
Revenues from External Customers and Long-Lived Assets |  |  |  |  |
Revenue |  | 326 | 1,083 | 9,670 | 7,622
United States |  |  |  |  |
Revenues from External Customers and Long-Lived Assets |  |  |  |  |
Revenue |  | 1,728 | 4,245 | 4,128 | 16,701
Other countries |  |  |  |  |
Revenues from External Customers and Long-Lived Assets |  |  |  |  |
Revenue |  | $ 5,167 | $ 5,932 | $ 16,892 | $ 8,832

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