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Related Party Transactions - Narrative (Details)
 1 Months Ended 12 Months Ended
Jun. 30, 2025
USD ($)
boardMember
Jun. 30, 2025
USD ($)
boardMember
Jun. 30, 2024
USD ($)
Jun. 30, 2023
USD ($)
Oct. 31, 2023
board_member
Mar. 01, 2020
May 01, 2019
Oct. 31, 2018
USD ($)
financialInstitution
Jun. 30, 2017
Related Party Transaction [Line Items]                  
Purchase commitments, total $ 1,600,000,000 $ 1,600,000,000              
Purchase of graphic cards   127,214,000 $ 124,279,000 $ 36,793,000          
Cost of sales   19,542,120,000 12,927,841,000 5,840,470,000          
Total   21,972,042,000 14,989,251,000 7,123,482,000          
Payments to acquire investments   56,000,000 69,673,000 500,000          
Charles Liang                  
Related Party Transaction [Line Items]                  
Number of financial institutions, margin loans | financialInstitution               2  
Related Party                  
Related Party Transaction [Line Items]                  
Purchase commitments, total 148,900,000 148,900,000              
Purchase of graphic cards   17,677,000 10,625,000 7,844,000          
Cost of sales   650,658,000 552,136,000 384,762,000          
Total   42,259,000 69,791,000 60,537,000          
Related Party | Corporate Venture                  
Related Party Transaction [Line Items]                  
Cost of sales   11,000,000.0 21,800,000 $ 24,200,000          
Related Party | Corporate Venture                  
Related Party Transaction [Line Items]                  
Equity method investment, ownership percentage                 30.00%
Investment in equity investee 6,700,000 6,700,000 4,600,000            
Impairment of investments     0            
Accounts receivable $ 100,000 $ 100,000 $ 5,100,000            
Related Party | Investor In China | Corporate Venture                  
Related Party Transaction [Line Items]                  
Equity method investment, ownership percentage                 70.00%
Related Party | Ampera Inc.                  
Related Party Transaction [Line Items]                  
Ownership percentage 11.00% 11.00%              
Payments to acquire investments $ 6,000,000.0                
Related party, percentage of board 33.00% 33.00%              
Number of related party board members | boardMember 1 1              
Total number of board members | boardMember 3 3              
Ablecom | Management | Steve Liang and other family members                  
Related Party Transaction [Line Items]                  
Ownership percentage 35.00% 35.00%              
Ablecom | Management | Charles Liang and wife                  
Related Party Transaction [Line Items]                  
Ownership percentage 10.50% 10.50%              
Ablecom | Management | Sibling of Yih-Shyan (Wally) Liaw                  
Related Party Transaction [Line Items]                  
Ownership percentage 11.70% 11.70%              
Ablecom | Related Party                  
Related Party Transaction [Line Items]                  
Products purchased percent   95.40% 93.60% 91.90%          
Credit facility, maximum borrowing capacity $ 10,000,000.0 $ 10,000,000.0              
Credit facility payment term   30 days              
Purchase of graphic cards   $ 17,119,000 $ 10,428,000 $ 7,498,000          
Cost of sales   321,866,000 269,256,000 167,801,000          
Total   317,000 11,000 8,000          
Ablecom | Related Party | No-Cancellable Purchase Obligation                  
Related Party Transaction [Line Items]                  
Purchase commitments, total $ 30,600,000 $ 30,600,000 58,800,000            
Compuware | Management | Sibling of Yih-Shyan (Wally) Liaw                  
Related Party Transaction [Line Items]                  
Ownership percentage 8.70% 8.70%              
Compuware | Related Party                  
Related Party Transaction [Line Items]                  
Credit facility, maximum borrowing capacity $ 65,000,000.0 $ 65,000,000.0              
Credit facility payment term   60 days              
Commissions fees   $ 1,600,000              
Finders fee, percentage of net sales   1.00%              
Purchase of graphic cards   $ 558,000 197,000 346,000          
Cost of sales   328,258,000 280,801,000 216,961,000          
Total   30,238,000 46,618,000 36,286,000          
Compuware | Related Party | No-Cancellable Purchase Obligation                  
Related Party Transaction [Line Items]                  
Purchase commitments, total 118,300,000 118,300,000 93,500,000            
Chien-Tsun Chang, Spouse of Steve Liang | Related Party | Charles Liang                  
Related Party Transaction [Line Items]                  
Convertible notes               $ 12,900,000  
Interest rate, stated percentage           0.25% 0.85% 0.80%  
Unsecured debt $ 16,800,000 16,800,000 16,400,000            
Leadtek                  
Related Party Transaction [Line Items]                  
Number of board of directors served | board_member         2        
Number of board of directors | board_member         7        
Leadtek | Ablecom and Compuware                  
Related Party Transaction [Line Items]                  
Ownership percentage         30.00%        
Leadtek | Related Party                  
Related Party Transaction [Line Items]                  
Purchase of graphic cards   0 0 0          
Cost of sales   534,000 2,079,000 0          
Total   677,000 1,356,000 $ 0          
Leadtek | Related Party | Servers                  
Related Party Transaction [Line Items]                  
Sale of servors   700,000 1,400,000            
Leadtek | Related Party | Graphic Cards                  
Related Party Transaction [Line Items]                  
Purchase of graphic cards   $ 500,000 $ 2,100,000            
James Liang | Related Party | Aeon Lighting Technology                  
Related Party Transaction [Line Items]                  
Ownership percentage 10.00% 10.00%