REVENUES (Tables)

6 Months Ended

Jun. 30, 2023

Revenue from Contract with Customer [Abstract]

Schedule of Disaggregation of Revenues

The following tables present the disaggregation of the Company’s revenues by customer location, including a reconciliation of the disaggregated revenues with the reportable segments (Note 14 “Segment Information”) for the periods indicated:

	Three Months Ended June 30, 2023
	Reportable Segments
	North America		Europe		Russia		Consolidated Revenues
Customer Locations
Americas	$	653,601	$	25,150	$	336	$	679,087
EMEA	25,629		433,456		—		459,085
APAC	649		23,570		—		24,219
CEE	192		1,266		6,357		7,815
Revenues	$	680,071	$	483,442	$	6,693	$	1,170,206

	Six Months Ended June 30, 2023
	Reportable Segments
	North America		Europe		Russia		Consolidated Revenues
Customer Locations
Americas	$	1,337,154	$	51,104	$	631	$	1,388,889
EMEA	51,001		872,021		—		923,022
APAC	1,375		49,654		—		51,029
CEE	498		3,810		13,899		18,207
Revenues	$	1,390,028	$	976,589	$	14,530	$	2,381,147

	Three Months Ended June 30, 2022
	Reportable Segments
	North America		Europe		Russia		Consolidated Revenues
Customer Locations
Americas	$	697,961	$	22,816	$	835	$	721,612
EMEA	23,190		399,796		—		422,986
APAC	793		29,383		—		30,176
CEE	1,713		(51)		18,425		20,087
Revenues	$	723,657	$	451,944	$	19,260	$	1,194,861

	Six Months Ended June 30, 2022
	Reportable Segments
	North America		Europe		Russia		Consolidated Revenues
Customer Locations
Americas	$	1,357,737	$	48,776	$	1,892	$	1,408,405
EMEA	48,288		796,549		99		844,936
APAC	1,576		58,182		—		59,758
CEE	3,767		407		49,202		53,376
Revenues	$	1,411,368	$	903,914	$	51,193	$	2,366,475

The following tables present the disaggregation of the Company’s revenues by industry vertical, including a reconciliation of the disaggregated revenues with the reportable segments (Note 14 “Segment Information”) for the periods indicated:

	Three Months Ended June 30, 2023
	Reportable Segments
	North America		Europe		Russia		Consolidated Revenues
Industry Verticals
Travel & Consumer	$	120,038	$	151,639	$	1,782	$	273,459
Financial Services	135,178		120,361		3,429		258,968
Business Information & Media	106,357		83,260		67		189,684
Software & Hi-Tech	135,755		38,910		553		175,218
Life Sciences & Healthcare	99,966		14,454		21		114,441
Emerging Verticals	82,777		74,818		841		158,436
Revenues	$	680,071	$	483,442	$	6,693	$	1,170,206

	Six Months Ended June 30, 2023
	Reportable Segments
	North America		Europe		Russia		Consolidated Revenues
Industry Verticals
Travel & Consumer	$	243,697	$	304,694	$	3,428	$	551,819
Financial Services	279,028		243,969		6,636		529,633
Business Information & Media	222,515		169,368		181		392,064
Software & Hi-Tech	285,553		77,592		1,264		364,409
Life Sciences & Healthcare	196,563		28,980		156		225,699
Emerging Verticals	162,672		151,986		2,865		317,523
Revenues	$	1,390,028	$	976,589	$	14,530	$	2,381,147

	Three Months Ended June 30, 2022
	Reportable Segments
	North America		Europe		Russia		Consolidated Revenues
Industry Verticals
Travel & Consumer	$	130,932	$	140,081	$	5,305	$	276,318
Financial Services	126,879		112,766		11,338		250,983
Business Information & Media	114,026		83,681		163		197,870
Software & Hi-Tech	161,034		33,847		442		195,323
Life Sciences & Healthcare	115,899		12,527		66		128,492
Emerging Verticals	74,887		69,042		1,946		145,875
Revenues	$	723,657	$	451,944	$	19,260	$	1,194,861

	Six Months Ended June 30, 2022
	Reportable Segments
	North America		Europe		Russia		Consolidated Revenues
Industry Verticals
Travel & Consumer	$	253,179	$	276,869	$	11,589	$	541,637
Financial Services	247,214		230,096		33,736		511,046
Business Information & Media	224,972		166,582		619		392,173
Software & Hi-Tech	317,316		66,301		1,189		384,806
Life Sciences & Healthcare	227,270		24,809		216		252,295
Emerging Verticals	141,417		139,257		3,844		284,518
Revenues	$	1,411,368	$	903,914	$	51,193	$	2,366,475

The following tables present the disaggregation of the Company’s revenues by contract type including a reconciliation of the disaggregated revenues with the Company’s reportable segments (Note 14 “Segment Information”) for the periods indicated:

	Three Months Ended June 30, 2023
	Reportable Segments
	North America		Europe		Russia		Consolidated Revenues
Contract Types
Time-and-material	$	606,766	$	416,194	$	5,060	$	1,028,020
Fixed-price	67,273		66,468		1,612		135,353
Licensing and other revenues	6,032		780		21		6,833
Revenues	$	680,071	$	483,442	$	6,693	$	1,170,206

	Six Months Ended June 30, 2023
	Reportable Segments
	North America		Europe		Russia		Consolidated Revenues
Contract Types
Time-and-material	$	1,251,394	$	841,792	$	9,813	$	2,102,999
Fixed-price	128,504		132,671		4,683		265,858
Licensing and other revenues	10,130		2,126		34		12,290
Revenues	$	1,390,028	$	976,589	$	14,530	$	2,381,147

	Three Months Ended June 30, 2022
	Reportable Segments
	North America		Europe		Russia		Consolidated Revenues
Contract Types
Time-and-material	$	654,627	$	390,296	$	14,648	$	1,059,571
Fixed-price	65,992		60,607		4,581		131,180
Licensing and other revenues	3,038		1,041		31		4,110
Revenues	$	723,657	$	451,944	$	19,260	$	1,194,861

	Six Months Ended June 30, 2022
	Reportable Segments
	North America		Europe		Russia		Consolidated Revenues
Contract Types
Time-and-material	$	1,281,434	$	767,951	$	33,339	$	2,082,724
Fixed-price	122,757		134,215		17,771		274,743
Licensing and other revenues	7,177		1,748		83		9,008
Revenues	$	1,411,368	$	903,914	$	51,193	$	2,366,475

Timing of Revenue Recognition

The following tables present the timing of revenue recognition reconciled with the Company’s reportable segments (Note 14 “Segment Information”) for the periods indicated:

	Three Months Ended June 30, 2023
	Reportable Segments
	North America		Europe		Russia		Consolidated Revenues
Timing of Revenue Recognition
Transferred over time	$	676,637	$	482,999	$	6,673	$	1,166,309
Transferred at a point of time	3,434		443		20		3,897
Revenues	$	680,071	$	483,442	$	6,693	$	1,170,206

	Six Months Ended June 30, 2023
	Reportable Segments
	North America		Europe		Russia		Consolidated Revenues
Timing of Revenue Recognition
Transferred over time	$	1,383,671	$	975,396	$	14,497	$	2,373,564
Transferred at a point of time	6,357		1,193		33		7,583
Revenues	$	1,390,028	$	976,589	$	14,530	$	2,381,147

	Three Months Ended June 30, 2022
	Reportable Segments
	North America		Europe		Russia		Consolidated Revenues
Timing of Revenue Recognition
Transferred over time	$	722,311	$	451,847	$	19,240	$	1,193,398
Transferred at a point of time	1,346		97		20		1,463
Revenues	$	723,657	$	451,944	$	19,260	$	1,194,861

	Six Months Ended June 30, 2022
	Reportable Segments
	North America		Europe		Russia		Consolidated Revenues
Timing of Revenue Recognition
Transferred over time	$	1,407,420	$	903,695	$	51,131	$	2,362,246
Transferred at a point of time	3,948		219		62		4,229
Revenues	$	1,411,368	$	903,914	$	51,193	$	2,366,475

Schedule of Revenue Expected to be Recognized in Future Related to Remaining Performance Obligations

The following table includes the estimated revenues expected to be recognized in the future related to performance obligations that are partially or fully unsatisfied as of June 30, 2023. The Company applies a practical expedient and does not disclose the value of unsatisfied performance obligations for contracts (i) that have an original expected duration of one year or less and (ii) for which it recognizes revenues at the amount to which it has the right to invoice for services provided.

	Less than 1 year		1 Year		2 Years		3 Years		Total
Contract Type
Fixed-price	$	16,427	$	3,189	$	1,757	$	—	$	21,373

Schedule of Contract Balances

The following table provides information on the classification of contract assets and liabilities in the condensed consolidated balance sheets:

	As of June 30, 2023		As of December 31, 2022
Contract assets included in Trade receivables and contract assets, net	$	27,434	$	11,490
Contract liabilities included in Accrued expenses and other current liabilities	$	31,748	$	36,036
Contract liabilities included in Other noncurrent liabilities	$	473	$	42