v3.26.1
CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended 9 Months Ended
Sep. 30, 2025
Jun. 30, 2025
Mar. 31, 2025
Sep. 30, 2024
Jun. 30, 2024
Mar. 31, 2024
Sep. 30, 2023
Jun. 30, 2023
Mar. 31, 2023
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2023
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2023
Error Corrections and Prior Period Adjustments Restatement [Line Items]                              
Revenue $ 2,084,415 $ 2,039,088 $ 2,015,320 $ 2,041,943 $ 2,041,926 $ 2,043,254 $ 2,040,314 $ 2,008,201 $ 1,965,808 $ 4,054,408 $ 4,085,180 $ 3,974,009 $ 6,138,823 $ 6,127,123 $ 6,014,323
Costs and expenses:                              
Direct costs 1,538,951 1,455,758 1,449,258 1,433,394 1,488,256 1,467,284 1,445,742 1,426,406 1,391,922 2,905,016 2,955,540 2,818,328 4,443,967 4,388,934 4,264,070
Selling, general and administrative 197,049 205,006 198,384 205,095 194,458 177,350 185,187 187,806 200,006 403,390 371,808 387,812 600,439 576,903 572,999
Depreciation and amortization 99,030 97,718 95,958 93,029 149,635 149,181 146,032 145,059 145,126 193,676 298,816 290,185 292,706 391,845 436,217
Transaction and integration related 7,020 6,717 5,404 7,856 6,820 6,991 10,433 12,701 11,382 12,121 13,811 24,083 19,141 21,667 34,516
Restructuring 0 42,950 39,346 0 45,789 0 0 35,661 9,729 82,296 45,789 45,390 82,296 45,789 45,390
Goodwill impairment 364,248   0 0     0     0     364,248 0 0
Impairment of non-financial assets 101,027   0 0     0     0     101,027 0 0
Total costs and expenses 2,307,325 1,808,149 1,788,350 1,739,374 1,884,958 1,800,806 1,787,394 1,807,633 1,758,165 3,596,499 3,685,764 3,565,798 5,903,824 5,425,138 5,353,192
Income from operations (222,910) 230,939 226,970 302,569 156,968 242,448 252,920 200,568 207,643 457,909 399,416 408,211 234,999 701,985 661,131
Interest income 1,761 2,054 1,802 2,434 1,237 1,930 1,273 949 1,072 3,856 3,167 2,021 5,617 5,601 3,294
Interest expense (50,243) (50,151) (47,609) (53,303) (60,840) (71,665) (83,908) (85,206) (86,551) (97,760) (132,505) (171,757) (148,003) (185,808) (255,665)
Income before income tax (expense) / benefit (271,392) 182,842 181,163 251,700 97,365 172,713 170,285 116,311 122,164 364,005 270,078 238,475 92,613 521,778 408,760
Income tax (expense) / benefit (12,791) 20,674 (20,351) (38,432) (14,589) (24,376) (16,384) (8,266) (12,904) 323 (38,965) (21,170) (12,468) (77,397) (37,554)
Income before share of losses from equity method investments             153,901 108,045 109,260     217,305     371,206
Loss on equity method investments             0 0 383     383     383
Net (loss) / income $ (284,183) $ 203,516 $ 160,812 $ 213,268 $ 82,776 $ 148,337 $ 153,901 $ 108,045 $ 108,877 $ 364,328 $ 231,113 $ 216,922 $ 80,145 $ 444,381 $ 370,823
Net income per ordinary share:                              
Basic (in USD per share) $ (3.67) $ 2.57 $ 2.00 $ 2.57 $ 1.00 $ 1.80 $ 1.87 $ 1.32 $ 1.33 $ 4.56 $ 2.80 $ 2.65 $ 1.01 $ 5.37 $ 4.52
Diluted (in USD per share) $ (3.67) $ 2.56 $ 1.99 $ 2.56 $ 0.99 $ 1.78 $ 1.85 $ 1.31 $ 1.32 $ 4.54 $ 2.78 $ 2.63 $ 1.01 $ 5.33 $ 4.48
Weighted average number of ordinary shares outstanding:                              
Basic (in shares) 77,373,534 79,245,448 80,552,734 82,831,300 82,738,765 82,579,203 82,215,627 81,999,746 81,784,389 79,899,091 82,658,984 81,892,662 79,057,239 82,716,842 82,001,500
Diluted (in shares) 77,373,534 79,547,444 80,924,355 83,445,827 83,360,841 83,249,303 82,972,888 82,627,933 82,605,659 80,235,900 83,260,144 82,617,391 79,518,086 83,305,441 82,737,073
As Reported                              
Error Corrections and Prior Period Adjustments Restatement [Line Items]                              
Revenue $ 2,042,812 $ 2,017,357 $ 2,001,332 $ 2,030,030 $ 2,120,159 $ 2,090,386 $ 2,055,099 $ 2,020,251 $ 1,978,578 $ 4,018,689 $ 4,210,545 $ 3,998,829 $ 6,061,501 $ 6,240,575 $ 6,053,928
Costs and expenses:                              
Direct costs 1,488,364 1,455,758 1,442,679 1,438,616 1,493,600 1,471,367 1,449,136 1,429,540 1,395,546 2,898,437 2,964,967 2,825,086 4,386,801 4,403,583 4,274,222
Selling, general and administrative 197,049 205,006 198,384 205,095 194,458 177,350 185,187 187,806 200,006 403,390 371,808 387,812 600,439 576,903 572,999
Depreciation and amortization 98,495 97,718 95,958 93,029 149,635 149,181 146,032 145,059 145,126 193,676 298,816 290,185 292,171 391,845 436,217
Transaction and integration related 7,020 6,717 5,404 7,856 6,820 6,991 10,433 12,701 11,382 12,121 13,811 24,083 19,141 21,667 34,516
Restructuring 0 42,950 39,346 0 45,789 0 0 35,661 9,729 82,296 45,789 45,390 82,296 45,789 45,390
Goodwill impairment 165,300   0             0     165,300    
Impairment of non-financial assets 0   0             0     0    
Total costs and expenses 1,956,228 1,808,149 1,781,771 1,744,596 1,890,302 1,804,889 1,790,788 1,810,767 1,761,789 3,589,920 3,695,191 3,572,556 5,546,148 5,439,787 5,363,344
Income from operations 86,584 209,208 219,561 285,434 229,857 285,497 264,311 209,484 216,789 428,769 515,354 426,273 515,353 800,788 690,584
Interest income 1,761 2,054 1,802 2,434 1,237 1,930 1,273 949 1,072 3,856 3,167 2,021 5,617 5,601 3,294
Interest expense (50,243) (50,151) (47,609) (53,303) (60,840) (71,665) (83,908) (85,206) (86,551) (97,760) (132,505) (171,757) (148,003) (185,808) (255,665)
Income before income tax (expense) / benefit 38,102 161,111 173,754 234,565 170,254 215,762 181,676 125,227 131,310 334,865 386,016 256,537 372,967 620,581 438,213
Income tax (expense) / benefit (35,747) 21,861 (19,603) (37,437) (23,344) (28,324) (18,011) (9,629) (14,273) 2,258 (51,668) (23,902) (33,489) (89,105) (41,913)
Income before share of losses from equity method investments             163,665 115,598 117,037     232,635     396,300
Loss on equity method investments             0 0 383     383     383
Net (loss) / income $ 2,355 $ 182,972 $ 154,151 $ 197,128 $ 146,910 $ 187,438 $ 163,665 $ 115,598 $ 116,654 $ 337,123 $ 334,348 $ 232,252 $ 339,478 $ 531,476 $ 395,917
Net income per ordinary share:                              
Basic (in USD per share) $ 0.03 $ 2.31 $ 1.91 $ 2.38 $ 1.78 $ 2.27 $ 1.99 $ 1.41 $ 1.43 $ 4.22 $ 4.04 $ 2.84 $ 4.29 $ 6.43 $ 4.83
Diluted (in USD per share) $ 0.03 $ 2.30 $ 1.90 $ 2.36 $ 1.76 $ 2.25 $ 1.97 $ 1.40 $ 1.41 $ 4.20 $ 4.02 $ 2.81 $ 4.27 $ 6.38 $ 4.79
Weighted average number of ordinary shares outstanding:                              
Basic (in shares) 77,373,534 79,245,448 80,552,734 82,831,300 82,738,765 82,579,203 82,215,627 81,999,746 81,784,389 79,899,091 82,658,984 81,892,662 79,057,239 82,716,842 82,001,500
Diluted (in shares) 78,082,459 79,547,444 80,924,355 83,445,827 83,360,841 83,249,303 82,972,888 82,627,933 82,605,659 80,235,900 83,260,144 82,617,391 79,518,086 83,305,441 82,737,073
Adjustments                              
Error Corrections and Prior Period Adjustments Restatement [Line Items]                              
Revenue $ 41,603 $ 21,731 $ 13,988 $ 11,913 $ (78,233) $ (47,132) $ (14,785) $ (12,050) $ (12,770) $ 35,719 $ (125,365) $ (24,820) $ 77,322 $ (113,452) $ (39,605)
Costs and expenses:                              
Direct costs 50,587 0 6,579 (5,222) (5,344) (4,083) (3,394) (3,134) (3,624) 6,579 (9,427) (6,758) 57,166 (14,649) (10,152)
Selling, general and administrative 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Depreciation and amortization 535 0 0 0 0 0 0 0 0 0 0 0 535 0 0
Transaction and integration related 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Restructuring 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Goodwill impairment 198,948   0             0     198,948    
Impairment of non-financial assets 101,027   0             0     101,027    
Total costs and expenses 351,097 0 6,579 (5,222) (5,344) (4,083) (3,394) (3,134) (3,624) 6,579 (9,427) (6,758) 357,676 (14,649) (10,152)
Income from operations (309,494) 21,731 7,409 17,135 (72,889) (43,049) (11,391) (8,916) (9,146) 29,140 (115,938) (18,062) (280,354) (98,803) (29,453)
Interest income 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Interest expense 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Income before income tax (expense) / benefit (309,494) 21,731 7,409 17,135 (72,889) (43,049) (11,391) (8,916) (9,146) 29,140 (115,938) (18,062) (280,354) (98,803) (29,453)
Income tax (expense) / benefit 22,956 (1,187) (748) (995) 8,755 3,948 1,627 1,363 1,369 (1,935) 12,703 2,732 21,021 11,708 4,359
Income before share of losses from equity method investments             (9,764) (7,553) (7,777)     (15,330)     (25,094)
Loss on equity method investments             0 0 0     0     0
Net (loss) / income $ (286,538) $ 20,544 $ 6,661 $ 16,140 $ (64,134) $ (39,101) $ (9,764) $ (7,553) $ (7,777) $ 27,205 $ (103,235) $ (15,330) $ (259,333) $ (87,095) $ (25,094)
Net income per ordinary share:                              
Basic (in USD per share)          
Diluted (in USD per share)          
Weighted average number of ordinary shares outstanding:                              
Basic (in shares)          
Diluted (in shares)