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Lines of Credit and Term Loans - CTBC Bank Narrative (Details) $ in Thousands, $ in Millions	Jul. 20, 2021 TWD ($)	May 06, 2020 TWD ($)	Jun. 30, 2025 USD ($)	Feb. 27, 2025 USD ($)	Feb. 27, 2025 TWD ($)	Jun. 30, 2024 USD ($)	Feb. 16, 2024 USD ($)	Feb. 16, 2024 TWD ($)	Feb. 15, 2024 USD ($)	Sep. 28, 2023 USD ($)	Sep. 28, 2023 TWD ($)
Short-term Debt [Line Items]
Property, plant, and equipment, net			$ 504,488			$ 414,008
Revolving Credit Facility | 2020 and 2021 CTBC Credit Lines | CTBC Bank | Term Loan
Short-term Debt [Line Items]
Credit facility, maximum borrowing capacity					$ 1,550.0			$ 1,550.0			$ 1,550.0
Revolving Credit Facility | NTD Short Term Loan | CTBC Bank | Term Loan
Short-term Debt [Line Items]
Credit facility, maximum borrowing capacity					1,800.0			1,250.0			1,250.0
Revolving Credit Facility | Guarantee Line | CTBC Bank | Term Loan
Short-term Debt [Line Items]
Credit facility, maximum borrowing capacity					$ 100.0			$ 100.0			$ 100.0
Revolving Credit Facility | USD Short Term Loan Line | CTBC Bank | Term Loan
Short-term Debt [Line Items]
Credit facility, maximum borrowing capacity				$ 40,000			$ 40,000			$ 40,000
Revolving Credit Facility | Export/Import O/A Loan Line - Exports | CTBC Bank | Term Loan
Short-term Debt [Line Items]
Credit facility, maximum borrowing capacity				105,000			105,000			105,000
Revolving Credit Facility | Export/Import O/A Loan Line - Imports | CTBC Bank | Term Loan
Short-term Debt [Line Items]
Credit facility, maximum borrowing capacity							50,000			50,000
Revolving Credit Facility | 2023 CTBC Credit Lines | CTBC Bank | Term Loan
Short-term Debt [Line Items]
Credit facility, maximum borrowing capacity										$ 105,000
Revolving Credit Facility | 2024 CTBC Credit Lines | CTBC Bank | Term Loan
Short-term Debt [Line Items]
Credit facility, maximum borrowing capacity							185,000		$ 105,000
Revolving Credit Facility | 2024 CTBC Credit Lines | CTBC Bank | Term Loan | Minimum
Short-term Debt [Line Items]
Line of credit facility, covenant not satisfied, maximum borrowing capacity							70,000
Revolving Credit Facility | 2024 CTBC Credit Lines | CTBC Bank | Term Loan | Maximum
Short-term Debt [Line Items]
Line of credit facility, covenant not satisfied, maximum borrowing capacity							105,000
Revolving Credit Facility | Import O/A Loan Line Of Credit | CTBC Bank | Term Loan
Short-term Debt [Line Items]
Credit facility, maximum borrowing capacity				80,000			$ 80,000
Revolving Credit Facility | 2025 CTBC Credit Lines | CTBC Bank
Short-term Debt [Line Items]
Line of credit			0			184,600
Revolving Credit Facility | 2025 CTBC Credit Lines | CTBC Bank | Term Loan
Short-term Debt [Line Items]
Credit facility, maximum borrowing capacity				$ 185,000
Credit facility, remaining borrowing capacity			185,000
Secured debt | 2020 CTBC Term Loan Facility | CTBC Bank | Asset Pledged as Collateral
Short-term Debt [Line Items]
Property, plant, and equipment, net			75,100
Secured debt | 2020 CTBC Term Loan Facility | CTBC Bank | Term Loan
Short-term Debt [Line Items]
Credit facility, maximum borrowing capacity	$ 1,200.0	$ 1,200.0
Line of credit			28,800			31,200
Credit facility, term		10 years
Secured debt | 2021 CTBC Credit Lines | CTBC Bank | Term Loan
Short-term Debt [Line Items]
Credit facility, maximum borrowing capacity	1,550.0
Secured debt | 2021 CTBC Machine Loan | CTBC Bank | Term Loan
Short-term Debt [Line Items]
Credit facility, maximum borrowing capacity	$ 350.0
Line of credit			$ 1,800			$ 3,100
Credit facility, term	75 months

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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