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Retirement Plans (Details) - USD ($) | 12 Months Ended
--- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2023
Super Micro Computer, B.V. |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Company's discretionary contributions | $ 1,100,000 | $ 1,100,000 | $ 900,000
401(k) Savings Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Company's discretionary contributions | 0 | 0 | 0
Super Micro Computer, Taiwan Defined Benefit Pension Plan | Super Micro Computer, Taiwan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Company's contribution costs | $ 4,600,000 | 4,100,000 | 3,600,000
R.O.C. Labor Standards Law Pension Plan | Super Micro Computer, Taiwan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Period for average salary amount | 6 months |  |
Defined benefit plan, employer discretionary contribution, percent of match | 2.00% |  |
Pension (credit) cost | $ 100,000 | $ 100,000 | $ 100,000

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