Related-Party and Other Transactions (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended				3 Months Ended		6 Months Ended					6 Months Ended		3 Months Ended		6 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Jun. 30, 2013	Dec. 31, 2013 Super Micro [Member] Immediate Family Member of Management or Principal Owner [Member]	Dec. 31, 2013 Ablecom [Member]	Dec. 31, 2012 Ablecom [Member]	Dec. 31, 2013 Ablecom [Member]	Dec. 31, 2012 Ablecom [Member]	Jun. 30, 2013 Ablecom [Member]	Dec. 31, 2013 Ablecom [Member] Immediate Family Member of Management or Principal Owner [Member]	Dec. 31, 2013 Ablecom [Member] CEO's Other Family Members [Member]	Dec. 31, 2013 Minimum [Member] Ablecom [Member]	Dec. 31, 2013 Maximum [Member] Ablecom [Member]	Dec. 31, 2013 Variable Interest Entity, Primary Beneficiary [Member] Super Micro Business Park, Inc. [Member]	Dec. 31, 2012 Variable Interest Entity, Primary Beneficiary [Member] Super Micro Business Park, Inc. [Member]	Dec. 31, 2013 Variable Interest Entity, Primary Beneficiary [Member] Super Micro Business Park, Inc. [Member]	Dec. 31, 2012 Variable Interest Entity, Primary Beneficiary [Member] Super Micro Business Park, Inc. [Member]	May 31, 2012 Variable Interest Entity, Primary Beneficiary [Member] Super Micro Business Park, Inc. [Member]
Related Party Transaction [Line Items]
Ablecom ownership percentage in Compuware is lower than															50.00%
Ownership percentage of Company own by Steve Liang						1.10%
Ownership percentage of Ablecom own by Charles Liang and his wife												10.50%
Ownership percentage of Ablecom own by Steve Liang and other family members													35.90%
Purchases from Ablecom							$ 54,424	$ 38,683	$ 99,741	$ 87,940
Net sales from Ablecom	3,859	2,898	7,387	5,791			3,859	2,898	7,387	5,791
Amounts owed to the Company by Ablecom	417		417		974		417		417		974
Amounts owed to Ablecom by the Company	48,150		48,150		50,448		48,150		48,150		50,448
Majority of invoiced paid to Ablecom, minimum days														55 days
Majority of invoiced paid to Ablecom, maximum days															93 days
Tooling assets and miscellaneous costs paid to Ablecom							1,460	1,483	3,736	2,867
Outstanding purchase order with Ablecom							63,352		63,352		53,684
Contributions in Supermicro Business Park, Inc.																168		168		168
Noncontrolling interest, ownership percentage by the Company																50.00%		50.00%		50.00%
Net income (loss) attributable to Ablecom's interest																$ (7)	$ 2	$ (13)	$ 0