Interest Coverage Minimum Ratio, Covenant Line Of Credit

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It represents the principal amount of the long term borrowing under the credit facility.

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This element represents the margin to be added to LIBOR to arrive at the interest rate to be paid on the credit facility.

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Maximum increase in downgrade of credit rating of notes to adjust interest rate payable.

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Net Debt To EBITDA Leverage Ratio, Covenant Line Of Credit

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Term SOFR Adjustment

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Amount of amortization expense attributable to debt discount (premium) and debt issuance costs.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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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.

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Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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Percentage of principal amount of debt redeemed.

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Amount, after accumulated amortization, of debt issuance costs classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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

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Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Period Type:

Long-term debt - Narrative (Details) - USD ($)	3 Months Ended	12 Months Ended
Long-term debt - Narrative (Details) - USD ($)	Mar. 31, 2026	Dec. 31, 2025	Nov. 30, 2025	Jun. 30, 2024	Mar. 31, 2021
Debt Instrument [Line Items]
Margin over LIBOR (in percentage)	1.375%
Net debt to EBITDA leverage ratio, covenant line of credit	300.00%
Interest coverage minimum ratio, covenant line of credit	3
Long-term debt, amount	$ 1,536,343,000	$ 1,542,301,000
Term Loan
Debt Instrument [Line Items]
Debt amortization expense	507,000	584,000
Long-term debt, amount	443,368,000	449,916,000
Principal amount of term loan	$ 6,625,000
2022 Facility \| Maximum
Debt Instrument [Line Items]
Term SOFR adjustment (in percentage)	0.10%
2022 Facility \| Minimum
Debt Instrument [Line Items]
Term SOFR adjustment (in percentage)	0.00%
2022 Facility \| Term Loan
Debt Instrument [Line Items]
Debt instrument, face amount	$ 530,000,000
2022 Facility \| Line of Credit
Debt Instrument [Line Items]
Debt instrument, face amount	$ 650,000,000
Amended 2015 Facility
Debt Instrument [Line Items]
Margin over LIBOR (in percentage)	0.20%
Credit facility, base rate (in percentage)	0.375%
2021 Senior Notes
Debt Instrument [Line Items]
Long-term debt, amount	$ 349,984,000	349,835,000
Interest rate on senior notes (in percentage)	1.75%
2021 Senior Notes \| Genpact Luxembourg S.r.l.
Debt Instrument [Line Items]
Debt instrument, face amount					$ 350,000,000
Debt amortization expense	$ 16,000	165,000
Long-term debt, amount	$ 349,984,000	349,835,000
Interest rate on senior notes (in percentage)					1.75%
Total debt issuance cost					$ 3,032,000
Debt instrument redemption price (in percentage)	100.00%
Debt repurchase price as percentage of aggregate principal value upon certain change of controls (in percentage)	101.00%
Maximum increase in downgrade of credit rating of notes to adjust interest rate payable (in percentage)	2.00%
2024 Senior Notes
Debt Instrument [Line Items]
Long-term debt, amount	$ 397,211,000	396,994,000
Interest rate on senior notes (in percentage)	6.00%
2024 Senior Notes \| Genpact Luxembourg and Genpact USA
Debt Instrument [Line Items]
Debt instrument, face amount				$ 400,000,000
Debt amortization expense	$ 2,789,000	3,005,000
Long-term debt, amount	397,211,000	396,994,000
Interest rate on senior notes (in percentage)				6.00%
Total debt issuance cost				$ 4,395,000
2025 Senior Notes
Debt Instrument [Line Items]
Long-term debt, amount	$ 345,780,000	345,556,000
Interest rate on senior notes (in percentage)	4.95%
2025 Senior Notes \| Genpact UK Finco plc and Genpact USA
Debt Instrument [Line Items]
Debt instrument, face amount			$ 350,000,000
Debt amortization expense	$ 4,220,000	4,444,000
Long-term debt, amount	$ 345,780,000	$ 345,556,000
Interest rate on senior notes (in percentage)			4.95%
Total debt issuance cost			$ 4,551,000