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Lines of Credit and Term Loans - Schedule of Available Borrowings and Interest Rates for Short-term and Long-term Debt (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Jun. 30, 2024
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Secured debt | Bank of America Term Loan | Term loan |  |
Short-term Debt [Line Items] |  |
Available borrowings | $ 250,000 | $ 0
Interest rate | 6.63% |
Secured debt | Chang Hwa Bank Credit Facility due October 15, 2026 | Term loan |  |
Short-term Debt [Line Items] |  |
Available borrowings | $ 0 | $ 0
Interest rate | 1.68% | 1.68%
Secured debt | CTBC Term Loan Facility, due June 4, 2030 | Term loan |  |
Short-term Debt [Line Items] |  |
Available borrowings | $ 0 | $ 0
Interest rate | 1.33% | 1.33%
Secured debt | CTBC Term Loan Facility, due August 15, 2026 | Term loan |  |
Short-term Debt [Line Items] |  |
Available borrowings | $ 0 | $ 0
Interest rate |  | 1.53%
Secured debt | CTBC Term Loan Facility, due August 15, 2026 | Minimum | Term loan |  |
Short-term Debt [Line Items] |  |
Interest rate | 1.53% |
Secured debt | CTBC Term Loan Facility, due August 15, 2026 | Maximum | Term loan |  |
Short-term Debt [Line Items] |  |
Interest rate | 2.03% |
Secured debt | E.SUN Bank Term Loan Facility, due September 15, 2026 | Term loan |  |
Short-term Debt [Line Items] |  |
Available borrowings | $ 0 | $ 0
Interest rate |  | 1.87%
Secured debt | E.SUN Bank Term Loan Facility, due September 15, 2026 | Minimum | Term loan |  |
Short-term Debt [Line Items] |  |
Interest rate | 1.87% |
Secured debt | E.SUN Bank Term Loan Facility, due September 15, 2026 | Maximum | Term loan |  |
Short-term Debt [Line Items] |  |
Interest rate | 2.17% |
Secured debt | E.SUN Bank Term Loan Facility, due August 15, 2027 | Term loan |  |
Short-term Debt [Line Items] |  |
Available borrowings | $ 0 | $ 0
Interest rate | 1.87% | 1.87%
Secured debt | Mega Bank Term Loan Facility, due October 3, 2026 | Term loan |  |
Short-term Debt [Line Items] |  |
Available borrowings | $ 0 | $ 0
Secured debt | Mega Bank Term Loan Facility, due October 3, 2026 | Minimum | Term loan |  |
Short-term Debt [Line Items] |  |
Interest rate | 1.52% | 1.52%
Secured debt | Mega Bank Term Loan Facility, due October 3, 2026 | Maximum | Term loan |  |
Short-term Debt [Line Items] |  |
Interest rate | 1.72% | 1.72%
Line of Credit | Revolving Credit Facility | 2018 Bank of America Credit Facility |  |
Short-term Debt [Line Items] |  |
Available borrowings | $ 280,000 | $ 350,000
Interest rate | 6.82% | 6.82%
Line of Credit | Revolving Credit Facility | 2022 Bank of America Credit Facility |  |
Short-term Debt [Line Items] |  |
Available borrowings | $ 20,000 | $ 20,000
Interest rate | 6.49% | 6.49%
Line of Credit | Revolving Credit Facility | Cathay Bank Line of Credit |  |
Short-term Debt [Line Items] |  |
Available borrowings | $ 132,000 | $ 132,000
Interest rate | 7.16% | 7.33%
Line of Credit | Revolving Credit Facility | CTBC Credit Lines |  |
Short-term Debt [Line Items] |  |
Available borrowings | $ 116,747 | $ 427
Line of Credit | Revolving Credit Facility | CTBC Credit Lines | Minimum |  |
Short-term Debt [Line Items] |  |
Interest rate | 2.15% | 2.09%
Line of Credit | Revolving Credit Facility | CTBC Credit Lines | Maximum |  |
Short-term Debt [Line Items] |  |
Interest rate | 6.03% | 6.13%
Line of Credit | Revolving Credit Facility | Chang Hwa Bank Credit Lines |  |
Short-term Debt [Line Items] |  |
Available borrowings | $ 20,000 | $ 20,000
Line of Credit | Revolving Credit Facility | Chang Hwa Bank Credit Lines | Minimum |  |
Short-term Debt [Line Items] |  |
Interest rate | 1.88% | 1.88%
Line of Credit | Revolving Credit Facility | Chang Hwa Bank Credit Lines | Maximum |  |
Short-term Debt [Line Items] |  |
Interest rate | 5.70% | 6.33%
Line of Credit | Revolving Credit Facility | HSBC Bank Credit Lines |  |
Short-term Debt [Line Items] |  |
Available borrowings | $ 50,000 | $ 20,000
Line of Credit | Revolving Credit Facility | HSBC Bank Credit Lines | Minimum |  |
Short-term Debt [Line Items] |  |
Interest rate | 2.03% | 2.03%
Line of Credit | Revolving Credit Facility | HSBC Bank Credit Lines | Maximum |  |
Short-term Debt [Line Items] |  |
Interest rate | 6.25% | 6.28%
Line of Credit | Revolving Credit Facility | E.SUN Bank Credit Lines |  |
Short-term Debt [Line Items] |  |
Available borrowings | $ 60,000 | $ 0
Line of Credit | Revolving Credit Facility | E.SUN Bank Credit Lines | Minimum |  |
Short-term Debt [Line Items] |  |
Interest rate | 2.02% | 2.02%
Line of Credit | Revolving Credit Facility | E.SUN Bank Credit Lines | Maximum |  |
Short-term Debt [Line Items] |  |
Interest rate | 6.17% | 6.17%
Line of Credit | Revolving Credit Facility | Mega Bank Credit Lines |  |
Short-term Debt [Line Items] |  |
Available borrowings | $ 0 | $ 0
Line of Credit | Revolving Credit Facility | Mega Bank Credit Lines | Minimum |  |
Short-term Debt [Line Items] |  |
Interest rate | 1.90% | 1.90%
Line of Credit | Revolving Credit Facility | Mega Bank Credit Lines | Maximum |  |
Short-term Debt [Line Items] |  |
Interest rate | 5.56% | 5.80%
Line of Credit | Revolving Credit Facility | First Bank Credit Lines |  |
Short-term Debt [Line Items] |  |
Available borrowings | $ 1,916 | $ 1,916
Line of Credit | Revolving Credit Facility | First Bank Credit Lines | Minimum |  |
Short-term Debt [Line Items] |  |
Interest rate | 2.03% | 2.03%
Line of Credit | Revolving Credit Facility | First Bank Credit Lines | Maximum |  |
Short-term Debt [Line Items] |  |
Interest rate | 6.19% | 6.19%
Line of Credit | Revolving Credit Facility | Yuanta Bank Credit Lines |  |
Short-term Debt [Line Items] |  |
Available borrowings | $ 1,927 | $ 47,610
Line of Credit | Revolving Credit Facility | Yuanta Bank Credit Lines | Minimum |  |
Short-term Debt [Line Items] |  |
Interest rate | 2.32% | 2.32%
Line of Credit | Revolving Credit Facility | Yuanta Bank Credit Lines | Maximum |  |
Short-term Debt [Line Items] |  |
Interest rate | 5.95% | 6.33%

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