v3.24.2.u1
Segment Reporting - Revenues and adjusted income from operations by reportable segments (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Segment Reporting Information [Line Items]        
Net revenues $ 1,176,212 $ 1,105,524 $ 2,307,449 $ 2,194,843
AOI 198,414 185,960 380,293 364,952
Total excluding business held for sale       2,194,353
Stock-based compensation (18,369) (21,832) (27,550) (41,536)
Amortization and impairment of acquired intangible assets (other than included above) (6,544) (8,257) (13,469) (16,400)
Foreign exchange gains (losses), net 2,454 1,763 3,291 723
Interest income (expense), net (13,538) (12,138) (23,780) (21,765)
Restructuring (expense) / income   4,874   4,874
Loss on the sale of the business classified as held for sale (refer to Note 7) 0 0 0 (802)
Income tax expense (40,427) (34,118) (79,848) (66,492)
Net income 121,990 116,252 238,937 222,353
Disposal group, held-for-sale, not discontinued operations        
Segment Reporting Information [Line Items]        
Revenue from operations held for sale       (490)
Charges from operations held for sale     966 (1,201)
Charges from operations held for sale     (966) 1,201
Data-Tech-AI        
Segment Reporting Information [Line Items]        
Net revenues 546,043 524,956 1,069,878 1,034,909
Digital operations        
Segment Reporting Information [Line Items]        
Net revenues 630,169 580,568 1,237,571 1,159,934
Operating Segments        
Segment Reporting Information [Line Items]        
Net revenues 1,176,212 1,105,524 2,307,449 2,194,843
Operating Segments | Financial Services        
Segment Reporting Information [Line Items]        
Net revenues 319,144 301,436 625,612 599,923
AOI 53,095 46,723 100,098 92,300
Operating Segments | Consumer and Healthcare        
Segment Reporting Information [Line Items]        
Net revenues 424,003 394,897 827,376 780,514
AOI 70,726 58,951 137,522 115,282
Operating Segments | High Tech and Manufacturing        
Segment Reporting Information [Line Items]        
Net revenues 433,065 409,191 854,461 814,406
AOI 74,593 69,621 143,639 133,912
Operating Segments | Data-Tech-AI        
Segment Reporting Information [Line Items]        
Net revenues 546,043 524,956 1,069,878 1,034,909
Operating Segments | Data-Tech-AI | Financial Services        
Segment Reporting Information [Line Items]        
Net revenues 150,448 139,999 292,234 280,025
Operating Segments | Data-Tech-AI | Consumer and Healthcare        
Segment Reporting Information [Line Items]        
Net revenues 192,814 187,648 379,012 369,570
Operating Segments | Data-Tech-AI | High Tech and Manufacturing        
Segment Reporting Information [Line Items]        
Net revenues 202,781 197,309 398,632 385,314
Operating Segments | Digital operations        
Segment Reporting Information [Line Items]        
Net revenues 630,169 580,568 1,237,571 1,159,934
Operating Segments | Digital operations | Financial Services        
Segment Reporting Information [Line Items]        
Net revenues 168,696 161,437 333,378 319,898
Operating Segments | Digital operations | Consumer and Healthcare        
Segment Reporting Information [Line Items]        
Net revenues 231,189 207,249 448,364 410,944
Operating Segments | Digital operations | High Tech and Manufacturing        
Segment Reporting Information [Line Items]        
Net revenues 230,284 211,882 455,829 429,092
Others        
Segment Reporting Information [Line Items]        
AOI $ 0 $ 10,665 $ (966) $ 22,257