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Business (Details) | Sep. 30, 2014 numberoffacilities
--- | ---
Communications [Member] |
Business Transactions [Line Items] |
Number Of Locations | 11
Residential [Member] |
Business Transactions [Line Items] |
Number Of Locations | 23
Commercial & Industrial [Member] |
Business Transactions [Line Items] |
Number Of Locations | 19
MISCOR [Member] |
Business Transactions [Line Items] |
Number Of Locations | 9

X
- Details
Name: | iesc_BusinessTransactionsLineItems
Namespace Prefix: | iesc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents number of locations within the United States. + References No definition available. + Details
Name: | iesc_NumberOfLocations
Namespace Prefix: | iesc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant