v3.26.1
Income Taxes - Income Tax Schedules (Details) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
U.S. federal taxes:      
Current $ 1,002 $ 721 $ 485
Deferred (445) 190 1,652
Non-U.S. taxes:      
Current 17,702 3,972 3,187
Deferred (10,793) (13,502) (1,669)
State taxes, net of federal benefit:      
Current 2 (6) (6)
Total provision (benefit) for income taxes $ 7,468 $ (8,625) $ 3,649
Effective income tax rate reconciliation      
Effective tax rate 21.00% 21.00% 21.00%
Stock-based compensation   (0.30%) (3.70%)
Foreign taxes, net   (38.90%) (186.90%)
Outside basis difference on equity method investment (2.61%) (45.10%) (27.40%)
Tax credits   7.70% 86.20%
Non-deductible expenses (0.57%) (1.00%) (6.90%)
Tax exempt income   0.00% 2.80%
Withholding taxes 0.085    
Non-deductible executive compensation   (0.060) (0.786)
Foreign derived intangible income deduction (1.73%) 2.00% 0.00%
Other   1.40% 0.60%
Effective income tax rate (20.96%) 31.00% (138.10%)
Domestic and foreign components of income (loss) before taxes      
U.S. operations $ 11,311 $ 8,229 $ 9,079
Non-U.S. operations (46,942) (36,025) (11,722)
Net loss before income taxes and equity method investment income (loss) (35,631) (27,796) (2,643)
Deferred tax assets:      
Accrued compensation 2,715 2,327  
Net operating loss carryforwards 0 0  
Depreciation 8,002 7,210  
Tax credits 17,355 16,957  
Operating lease liabilities 3,299 3,953  
Capitalized R&D costs 1,016 1,302  
Accruals and reserves 495 434  
Total deferred tax assets 32,882 32,183  
Valuation allowance (10,071) (8,751)  
Total deferred tax assets, net of valuation allowance 22,811 23,432  
Deferred tax liabilities:      
Depreciation and amortization (17,275) (18,538)  
Right of use assets (3,090) (3,724)  
Investments (5,752) (13,763)  
Total deferred tax liabilities (26,117) (36,025)  
Current and non-current deferred tax assets and liabilities      
Deferred tax assets 8,630 599  
Net deferred tax liabilities (3,306) (12,593)  
Unrecognized tax benefits rollforward      
Balance at beginning of year 10,742 10,088 9,335
Additions based on tax positions related to the current year 825 826 764
Reductions based on tax positions related to prior years (2) (5) (11)
Reductions due to lapse of applicable statute of limitations (178) (167) 0
Balance at end of year 11,387 10,742 10,088
Tax Credit Carryforward [Line Items]      
Deferred Tax Liabilities, Gross 26,117 36,025  
U.S. operations 11,311 8,229 9,079
Non-U.S. operations (46,942) (36,025) (11,722)
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest (35,631) $ (27,796) $ (2,643)
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount (7,482)    
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount $ 2    
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent (0.01%)    
Foreign taxes, net   (38.90%) (186.90%)
Effective Income Tax Rate Reconciliation, Withholding Tax, Amount $ 3,000 $ 0  
Withholding taxes 0.085    
Effective Income Tax Rate Reconciliation, FDDEI, Amount $ (610)    
Effective Income Tax Rate Reconciliation, FDDEI, Percent 1.73% (2.00%) 0.00%
Other   1.40% 0.60%
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount $ (2,324)    
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Percent 6.52%    
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Amount $ 203    
Non-deductible expenses (0.57%) (1.00%) (6.90%)
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-Based Payment Arrangement, Amount $ 972    
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-Based Payment Arrangement, Percent (2.73%)    
Effective Income Tax Rate Reconciliation, Tax Contingency, Amount $ (178)    
Effective Income Tax Rate Reconciliation, Tax Contingency, Percent 0.50%    
Income tax expense (benefit) $ 7,468 $ (8,625) $ 3,649
Effective income tax rate (20.96%) 31.00% (138.10%)
Effective tax rate 21.00% 21.00% 21.00%
Outside basis difference on equity method investment (2.61%) (45.10%) (27.40%)
Effective Income Tax Rate Reconciliation, Equity in Earnings (Losses) of Unconsolidated Subsidiary, Amount $ 930 $ 12,500  
CAYMAN ISLANDS      
Effective income tax rate reconciliation      
Foreign taxes, net (36.28%)    
Tax Credit Carryforward [Line Items]      
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount $ 12,925    
Foreign taxes, net (36.28%)    
China      
Effective income tax rate reconciliation      
Withholding taxes (0.0741)    
Other (0.54%)    
Tax Credit Carryforward [Line Items]      
Effective Income Tax Rate Reconciliation, Withholding Tax, Amount $ 2,639    
Withholding taxes (0.0741)    
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount $ 193    
Other (0.54%)    
Hong Kong      
Effective income tax rate reconciliation      
Foreign taxes, net 1.29%    
Other (1.14%)    
Tax Credit Carryforward [Line Items]      
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount $ (460)    
Foreign taxes, net 1.29%    
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount $ 405    
Other (1.14%)    
INDIA      
Effective income tax rate reconciliation      
Withholding taxes (0.0111)    
Other 0.01%    
Tax Credit Carryforward [Line Items]      
Effective Income Tax Rate Reconciliation, Withholding Tax, Amount $ 395    
Withholding taxes (0.0111)    
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount $ (2)    
Other 0.01%    
Income Tax Jurisdiction, Foreign, Other      
Effective income tax rate reconciliation      
Foreign taxes, net 0.39%    
Tax Credit Carryforward [Line Items]      
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount $ (140)    
Foreign taxes, net 0.39%    
Balance Sheet Location [Axis]: us-gaap:AccruedIncomeTaxesNoncurrent      
Unrecognized tax benefits rollforward      
Balance at end of year $ 3,800    
Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesNoncurrent      
Deferred tax liabilities:      
Total deferred tax liabilities (11,936) (13,192)  
Tax Credit Carryforward [Line Items]      
Deferred Tax Liabilities, Gross $ 11,936 $ 13,192