Amortizable Term Loans Debt Issuance Costs Accounted as Prepaid Expenses and Other Current Assets

No definition available.

Name:	igte_AmortizableTermLoansDebtIssuanceCostsAccountedAsPrepaidExpensesAndOtherCurrentAssets
Namespace Prefix:	igte_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amortization Of Deferred Financing Costs

+ References

No definition available.

+ Details

Name:	igte_AmortizationOfDeferredFinancingCosts
Namespace Prefix:	igte_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	igte_BorrowingsLineItems
Namespace Prefix:	igte_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Loan Period

+ References

No definition available.

+ Details

Name:	igte_LoanPeriod
Namespace Prefix:	igte_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Loans Amounts

+ References

No definition available.

+ Details

Name:	igte_LoansAmounts
Namespace Prefix:	igte_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Percentage Of Subsidiaries Owned

+ References

No definition available.

+ Details

Name:	igte_PercentageOfSubsidiariesOwned
Namespace Prefix:	igte_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Term Loan Expiration Date

+ References

No definition available.

+ Details

Name:	igte_TermLoanExpirationDate
Namespace Prefix:	igte_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentDescriptionOfVariableRateBasis
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of debt issuance costs (for example, but not limited to, legal, accounting, broker, and regulatory fees).

+ References

No definition available.

+ Details

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

- Definition

Amount of the cost of borrowed funds accounted for as interest expense for debt.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.8)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 8

-Article 5

+ Details

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

- Definition

Amount borrowed under the credit facility as of the balance sheet date.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

Name:	us-gaap_LineOfCreditFacilityAmountOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Date the credit facility terminates, in CCYY-MM-DD format.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

Name:	us-gaap_LineOfCreditFacilityExpirationDate1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

The effective interest rate at the end of the reporting period.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Weighted average interest rate of short-term debt outstanding.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19

-Subparagraph b

-Article 5

+ Details

Name:	us-gaap_ShortTermDebtWeightedAverageInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Borrowings - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	1 Months Ended	3 Months Ended		6 Months Ended		1 Months Ended	3 Months Ended	6 Months Ended	1 Months Ended	3 Months Ended		6 Months Ended		1 Months Ended	3 Months Ended		6 Months Ended
	Apr. 03, 2012 DBS Credit agreement	Jun. 30, 2013 DBS Credit agreement	Jun. 30, 2012 DBS Credit agreement	Jun. 30, 2013 DBS Credit agreement	Jun. 30, 2012 DBS Credit agreement	Aug. 29, 2012 Term Loan	Jun. 30, 2013 Term Loan	Jun. 30, 2013 Term Loan	Feb. 21, 2011 Unsecured revolving working credit facility	Jun. 30, 2013 Unsecured revolving working credit facility	Jun. 30, 2012 Unsecured revolving working credit facility	Jun. 30, 2013 Unsecured revolving working credit facility	Jun. 30, 2012 Unsecured revolving working credit facility	May 10, 2011 Revolving Credit Facility	Jun. 30, 2013 Revolving Credit Facility	Jun. 30, 2012 Revolving Credit Facility	Jun. 30, 2013 Revolving Credit Facility	Jun. 30, 2012 Revolving Credit Facility	Jun. 30, 2013 Line of Credit Facility
Borrowings [Line Items]
Net borrowing	$ 265								$ 70					$ 50
Interest rate								LIBOR plus 280 basis points	LIBOR plus 195 basis points			LIBOR plus 115 basis points		LIBOR plus 280 basis points
Amount outstanding under Credit facility										52.0		52.0			25.0		25.0		10.3
Weighted average interest rate										1.40%		1.40%
Basis Points								2.80%	1.95%			1.15%		2.80%
Interest expense on debt		0.80	1.70	2.50	1.70		0.50	1.00		0.20	0.06	0.40	0.23		0.04	0.04	0.30	0.08
Maturity date of revolving credit facility														May 10, 2016
Interest rate							3.00%	3.00%							3.00%		3.00%
Line of credit Amount unutilized																			9.6
Maturity date of term loans	Jun. 08, 2014					Feb. 28, 2014
Percentage of subsidiaries owned	100.00%					100.00%
Debt Issuance cost	4.8					0.8
Amortized Debt issuance costs		3.3	0.2	4.0	0.2		0.1	0.3
Borrowed loan amount						70
Bank loan period						18 months
Amortizable term loans debt issuance costs accounted as prepaid expenses and other current assets							$ 0.3	$ 0.3