Retirement Plans - Narrative (Details) - USD ($)	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
401(k) Savings Plan
Defined Benefit Plan Disclosure [Line Items]
Company's discretionary contributions	$ 0	$ 0	$ 0
Super Micro Computer, B.V.
Defined Benefit Plan Disclosure [Line Items]
Company's discretionary contributions	900,000	800,000	700,000
Super Micro Computer, Taiwan | Pension Plan | Super Micro Computer, Taiwan Defined Benefit Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Company's contribution costs	$ 3,600,000	3,400,000	2,500,000
Super Micro Computer, Taiwan | Pension Plan | R.O.C. Labor Standards Law Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, employer discretionary contribution, percent of match	2.00%
Pension expense	$ (100,000)	$ 400,000	$ 1,000,000