Name:	iehc_AdjustedAmountDeferralPaymentPeriodInMonths
Namespace Prefix:	iehc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

The interest rate, after adjustments, of the monthly payments the company must remit for workers compensation insurance.

No definition available.

Name:	iehc_AdjustedAmountDeferredInterestRate
Namespace Prefix:	iehc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

The number of months that the company will make monthly payments to the Trade Industry Workers' Compensation Trust for Manufacturers for its workers compensation insurance assessment.

No definition available.

Name:	iehc_DeferralPaymentPeriod
Namespace Prefix:	iehc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

The monthly payment amount that the company must remit for an assessment of additional workers compensation insurance.

No definition available.

Name:	iehc_MonthlyPaymentAssessment
Namespace Prefix:	iehc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The revised monthly payment amount for the workers compensation insurance assessment.

No definition available.

Name:	iehc_MonthlyPaymentForAdjustedAssessment
Namespace Prefix:	iehc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The last monthly payment amount that the company must remit for an assessment of additional workers compensation insurance.

No definition available.

Name:	iehc_MonthlyPaymentForLastMonthAssessement
Namespace Prefix:	iehc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The date of notification of defaut of the Trade Workers' Compensation Trust.

No definition available.

Name:	iehc_NotificationDateOfAssessment
Namespace Prefix:	iehc_
Data Type:	xbrli:dateTimeItemType
Balance Type:	na
Period Type:	duration

The number of months that the company will make monthly payments to the Trade Industry Workers' Compensation Trust for Manufacturers for its workers compensation insurance assessment.

No definition available.

Name:	iehc_NumberOfMonthlyPayment
Namespace Prefix:	iehc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Total amount paid toward the workers compensation insurance assessment as of balance sheet date.

No definition available.

Name:	iehc_WorkersCompensationAssessmentPaidToDate
Namespace Prefix:	iehc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	iehc_WorkersCompensationInsuranceAssessmentDetailsNarrativeAbstract
Namespace Prefix:	iehc_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The increase (decrease) during the reporting period in the amount due for insurance (or actual expenses) to cover the medical expenses and lost income for employees that are injured during the course of doing work-related activities.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 28

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585

Name:	us-gaap_IncreaseDecreaseInWorkersCompensationLiabilities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Carrying value as of the balance sheet date of obligations and payables pertaining to claims incurred of a workers compensation nature.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 15

-Subparagraph 5

-Article 9

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.15(5))

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.15(a))

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 15

-Subparagraph a

-Article 7