Segment Information and Significant Customers (Details 2)	Jul. 31, 2011	Jul. 31, 2010
ScanSource, Inc. (Catalyst) [Member]
Significant channel partners as a percentage of total accounts receivable
Significant channel partners as a percentage of total accounts receivable	0.00%	31.60%
Avnet Logistics U.S LP [Member]
Significant channel partners as a percentage of total accounts receivable
Significant channel partners as a percentage of total accounts receivable	23.80%	18.20%
Alcatel-Lucent [Member]
Significant channel partners as a percentage of total accounts receivable
Significant channel partners as a percentage of total accounts receivable	18.40%	0.00%