XML 77 R64.htm IDEA: XBRL DOCUMENT v3.24.1.1.u2

Derivative Financial Instruments - Schedule of aggregate notional principal amounts of outstanding derivative financial instruments with related balance sheet exposure (Detail) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Derivative [Line Items]
Balance sheet exposure asset	$ 19,157	$ 4,944
United States Dollars (sell) Indian Rupees (buy)
Derivative [Line Items]
Notional principal amounts	2,254,500	1,892,800
Balance sheet exposure asset	10,525	5,278
United States Dollars (sell) Mexican Peso (buy)
Derivative [Line Items]
Notional principal amounts	81,750	66,000
Balance sheet exposure asset	4,107	2,129
United States Dollars (sell) Philippines Peso (buy)
Derivative [Line Items]
Notional principal amounts	154,250	118,500
Balance sheet exposure asset	(1,535)	637
Euro (sell) United States Dollars (buy)
Derivative [Line Items]
Notional principal amounts	226,112	222,363
Balance sheet exposure asset	2,028	(3,499)
Euro (sell) Romanian Leu (buy)
Derivative [Line Items]
Notional principal amounts	48,649	66,384
Balance sheet exposure asset	327	90
Japanese Yen (sell) Chinese Renminbi (buy)
Derivative [Line Items]
Notional principal amounts	42,715	52,562
Balance sheet exposure asset	3,211	803
United States Dollars (sell) Chinese Renminbi (buy)
Derivative [Line Items]
Notional principal amounts	31,800	40,800
Balance sheet exposure asset	(1,083)	(638)
Pound Sterling (sell) United States Dollars (buy)
Derivative [Line Items]
Notional principal amounts	22,634	14,915
Balance sheet exposure asset	(89)	(398)
United States Dollars (sell) Hungarian Font (buy)
Derivative [Line Items]
Notional principal amounts	32,750	32,000
Balance sheet exposure asset	(606)	809
Australian Dollars (sell) Indian Rupees (buy)
Derivative [Line Items]
Notional principal amounts	132,478	90,077
Balance sheet exposure asset	1,897	(1,914)
United States Dollars (sell) Polish Zloty (buy)
Derivative [Line Items]
Notional principal amounts	69,750	51,000
Balance sheet exposure asset	1,410	3,046
Japanese Yen (sell) United States Dollars (buy)
Derivative [Line Items]
Notional principal amounts	7,000	7,000
Balance sheet exposure asset	350	323
Israeli Shekel (buy) United States Dollars (sell)
Derivative [Line Items]
Notional principal amounts	15,000	15,000
Balance sheet exposure asset	117	1,175
South African Rand (sell) United States Dollars (buy)
Derivative [Line Items]
Notional principal amounts	27,000	27,000
Balance sheet exposure asset	260	216
United States Dollars (sell) Brazilian Real (buy)
Derivative [Line Items]
Notional principal amounts	4,000	4,000
Balance sheet exposure asset	(18)	55
United States Dollars (sell) Costa Rica Colon (buy)
Derivative [Line Items]
Notional principal amounts	13,000	13,000
Balance sheet exposure asset	363	555
Pound Sterling (buy) United States Dollar (sell)
Derivative [Line Items]
Notional principal amounts	14,865	22,300
Balance sheet exposure asset	277	669
United States Dollars (sell) Malaysian Ringgit (buy)
Derivative [Line Items]
Notional principal amounts	13,500	18,000
Balance sheet exposure asset	(315)	161
United States Dollars (sell) Canadian Dollar (buy)
Derivative [Line Items]
Notional principal amounts	9,000	0
Balance sheet exposure asset	(79)	0
Interest rate swaps (floating to fixed)
Derivative [Line Items]
Notional principal amounts	146,250	148,125
Balance sheet exposure asset	$ (1,990)	$ (4,553)

X

- Definition

Fair value of credit risk derivative asset after deduction of credit risk derivative liability.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 4K
-Subparagraph (c)
-SubTopic 10
-Topic 815
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-4K

+ Details

Name:	us-gaap_CreditRiskDerivativesAtFairValueNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480237/815-40-50-5

+ Details

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

X

- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-1B

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1A
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-1A

+ Details

Name:	us-gaap_DerivativeNotionalAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=g_UnitedStatesDollarsSellIndianRupeesBuyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=g_UnitedStatesDollarsSellMexicanPesoBuyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=g_UnitedStatesDollarsSellPhilippinesPesoBuyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=g_EuroSellUnitedStatesDollarsBuyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=g_EuroSellRomanianLeuBuyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=g_JapaneseYenSellChineseRenminbiBuyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=g_UnitedStatesDollarsSellChineseRenminbiBuyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=g_PoundSterlingSellUnitedStatesDollarBuyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=g_UnitedStatesDollarsSellHungarianForintBuyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=g_AustralianDollarsSellIndianRupeesBuyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=g_UnitedStatesDollarsSellPolishZlotyBuyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=g_JapaneseYenSellUnitedStatesDollarBuyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=g_IsraelShekelSellUnitedStatesDollarBuyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=g_SouthAfricanRandSellUnitedStatesDollarBuyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=g_UnitedStatesDollarSellBrazilianRealBuyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=g_UnitedStatesDollarSellCostaRicaColonBuyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=g_PoundSterlingBuyUnitedStatesDollarSellMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=g_UnitedStatesDollarsSellMalaysianRinggitBuyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=g_UnitedStatesDollarsSellCanadianDollarBuyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=g_InterestRateSwapFloatingToFixedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: