CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Income Statement [Abstract] | ||||
| Revenue | $ 2,063,486 | $ 2,039,088 | $ 4,097,485 | $ 4,054,408 |
| Costs and expenses: | ||||
| Direct costs | 1,584,192 | 1,455,758 | 3,140,265 | 2,905,016 |
| Selling, general and administrative | 194,318 | 205,006 | 394,916 | 403,390 |
| Depreciation and amortization | 90,767 | 97,718 | 181,098 | 193,676 |
| Transaction and integration related | 2,529 | 6,717 | 5,716 | 12,121 |
| Restructuring | 20,904 | 42,950 | 30,980 | 82,296 |
| Loss on disposal of subsidiary undertaking | 32,947 | 0 | 32,947 | 0 |
| Total costs and expenses | 1,925,657 | 1,808,149 | 3,785,922 | 3,596,499 |
| Income from operations | 137,829 | 230,939 | 311,563 | 457,909 |
| Interest income | 3,155 | 2,054 | 4,976 | 3,856 |
| Interest expense | (48,787) | (50,151) | (96,784) | (97,760) |
| Income before income tax (expense) / benefit | 92,197 | 182,842 | 219,755 | 364,005 |
| Income tax (expense) / benefit | (19,615) | 20,674 | (42,422) | 323 |
| Net income | $ 72,582 | $ 203,516 | $ 177,333 | $ 364,328 |
| Net income per ordinary share: | ||||
| Basic (in USD per share) | $ 0.94 | $ 2.57 | $ 2.31 | $ 4.56 |
| Diluted (in USD per share) | $ 0.94 | $ 2.56 | $ 2.29 | $ 4.54 |
| Weighted average number of ordinary shares outstanding: | ||||
| Basic (in shares) | 76,845,757 | 79,245,448 | 76,712,589 | 79,899,091 |
| Diluted (in shares) | 77,371,396 | 79,547,444 | 77,316,605 | 80,235,900 |
| X | ||||||||||
- Definition Amount of expense for acquisition-related cost incurred to effect business combination. Includes, but is not limited to, finder's fee; advisory, legal, accounting, valuation, and other professional and consulting fees; and general administrative cost, including cost of maintaining internal acquisition department. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Cost of product sold and service rendered, excluding depreciation, depletion, and amortization. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- References No definition available.
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- Definition Total costs of sales and operating expenses for the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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| X | ||||||||||
- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of gain (loss) on sale or disposal of equity in securities of subsidiaries. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of interest expense classified as nonoperating. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The net result for the period of deducting operating expenses from operating revenues. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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