INDUSTRY SECTORS AND MAJOR CUSTOMERS (Details Textual)	3 Months Ended	9 Months Ended
Jun. 29, 2012	Jun. 29, 2012	Jul. 01, 2011
Entity Wide Revenue Major Customer Receivable Outstanding Percentage	22.80%	22.80%	14.70%
Industrial Communications [Member]
Number Of Major Customers		2	2
Entity-Wide Revenue, Major Customer, Percentage	14.70%	16.50%	19.60%

Percentage receivable outstanding from a single external customer that accounts for 10 percent or more of an entity's revenues.

No definition available.

Name:	iec_EntityWideRevenueMajorCustomerReceivableOutstandingPercentage
Namespace Prefix:	iec_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant