Lines of Credit, Revolving Credit Facilities, and Term Loans - Schedule of Short-term and Long-term Debt (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Jun. 30, 2025
Short-term Debt [Line Items]
Total lines of credit and term loans	$ 4,113,744	$ 112,475
Lines of credit and term loans, current	2,095,069	75,060
Lines of credit and term loans, non-current	2,018,675	37,415
Secured Debt \| Term Loan
Short-term Debt [Line Items]
Total term loans	44,529	82,475
Secured Debt \| Chang Hwa Bank Credit Facility due October 15, 2026 \| Term Loan
Short-term Debt [Line Items]
Total term loans	4,562	11,399
Secured Debt \| CTBC Term Loan Facility, due June 4, 2030 \| Term Loan
Short-term Debt [Line Items]
Total term loans	22,343	28,822
Secured Debt \| CTBC Term Loan Facility, due August 15, 2026 \| Term Loan
Short-term Debt [Line Items]
Total term loans	603	1,846
Secured Debt \| E.SUN Bank Term Loan Facility, due September 15, 2026 \| Term Loan
Short-term Debt [Line Items]
Total term loans	5,005	13,678
Secured Debt \| E.SUN Bank Term Loan Facility, due August 15, 2027 \| Term Loan
Short-term Debt [Line Items]
Total term loans	5,760	9,632
Secured Debt \| Mega Bank Term Loan Facility, due October 3, 2026 \| Term Loan
Short-term Debt [Line Items]
Total term loans	6,256	17,098
Lines of Credit \| Revolving Credit Facility
Short-term Debt [Line Items]
Total lines of credit	4,069,215	30,000
Lines of Credit \| Revolving Credit Facility \| CTBC Credit Lines
Short-term Debt [Line Items]
Total lines of credit	181,305	0
Lines of Credit \| Revolving Credit Facility \| Chang Hwa Bank Credit Lines
Short-term Debt [Line Items]
Total lines of credit	25,005	0
Lines of Credit \| Revolving Credit Facility \| E.SUN Bank Credit Lines
Short-term Debt [Line Items]
Total lines of credit	50,000	30,000
Lines of Credit \| Revolving Credit Facility \| Mega Bank Credit Lines
Short-term Debt [Line Items]
Total lines of credit	30,000	0
Lines of Credit \| Revolving Credit Facility \| First Bank Credit Lines
Short-term Debt [Line Items]
Total lines of credit	19,935	0
Lines of Credit \| Revolving Credit Facility \| JP Morgan Revolving Credit Facility
Short-term Debt [Line Items]
Total lines of credit	2,000,000	0
Lines of Credit \| Revolving Credit Facility \| CTBC Revolving Credit Facilities
Short-term Debt [Line Items]
Total lines of credit	$ 1,762,970	$ 0