Balance Sheet Accounts (Schedule of Concentration of Risk) (Details) (Customer Concentration Risk)	6 Months Ended	12 Months Ended	3 Months Ended		6 Months Ended		12 Months Ended	3 Months Ended	6 Months Ended			3 Months Ended	6 Months Ended	3 Months Ended		6 Months Ended			12 Months Ended
	Dec. 31, 2012 Minimum Net Revenue	Jun. 30, 2012 Minimum Accounts Receivable	Dec. 31, 2012 Westcon Net Revenue	Jan. 01, 2012 Westcon Net Revenue	Dec. 31, 2012 Westcon Net Revenue	Jan. 01, 2012 Westcon Net Revenue	Jun. 30, 2012 Westcon Accounts Receivable	Dec. 31, 2012 Scansource Inc. Net Revenue	Dec. 31, 2012 Scansource Inc. Net Revenue	Jan. 01, 2012 Scansource Inc. Net Revenue	Dec. 31, 2012 Scansource Inc. Accounts Receivable	Dec. 31, 2012 Tech Data Net Revenue	Dec. 31, 2012 Tech Data Net Revenue	Dec. 31, 2012 Ericsson AB Net Revenue	Jan. 01, 2012 Ericsson AB Net Revenue	Dec. 31, 2012 Ericsson AB Net Revenue	Jan. 01, 2012 Ericsson AB Net Revenue	Dec. 31, 2012 Ericsson AB Accounts Receivable	Jun. 30, 2012 Ericsson AB Accounts Receivable
Concentration Risk [Line Items]
Concentration risk	10.00%	10.00%	14.00%	22.00%	15.00%	19.00%	16.00%	12.00%	12.00%	13.00%	11.00%	12.00%	11.00%	10.00%	12.00%	10.00%	11.00%	16.00%	21.00%