Segment and Geographic information - Revenue by Product Type (Details) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2024
Segment Reporting
Revenue	$ 678,927	$ 696,162	$ 657,274
Power discrete
Segment Reporting
Revenue	437,787	449,507	426,146
Power IC
Segment Reporting
Revenue	233,870	229,926	205,778
Packaging and testing services
Segment Reporting
Revenue	7,270	2,888	4,119
License and development services
Segment Reporting
Revenue	$ 0	$ 13,841	$ 21,231

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details