Credit Facilities and Long-Term Debt (Details)	6 Months Ended
	Jun. 30, 2012 USD ($)	Jun. 30, 2012 Inmac W Store [Member] EUR (€) D	Jun. 30, 2012 Systemax Inc. [Member] USD ($)
Line of Credit Facility [Line Items]
Secured revolving credit agreement, current borrowing capacity			$ 125,000,000
Secured revolving credit agreement, maximum borrowing capacity			200,000,000
Term of credit facility (in years)			5
Credit facility, maturing date		Jun. 09, 2012	Oct. 27, 2015
Percentage of eligible accounts (in hundredths)		10.00%
Percentage of eligible accounts receivable for borrowings, maximum (in hundredths)			85.00%
Percentage of qualified inventories for borrowings, maximum (in hundredths)			40.00%
Eligible collateral letters of credit			119,600,000
Availability under line of credit			113,600,000
Total outstanding letters of credit			6,000,000
Outstanding advances			0
Number of days for financing receivables past due, minimum (in days)		60
Threshold limit to calculate accounts receivables		4,000,000
Recovery zone facility bond, maturity date	Oct. 01, 2018
Capital equipment lease maturity date	Oct. 01, 2018
Additional amount to be paid over principal and interest to acquire ownership	1.00
Long-term debt, outstanding amount	$ 6,800,000