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Business Segment and Geographical Information (Tables) | 9 Months Ended
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Sep. 30, 2025
Segment Reporting [Abstract] |
Schedule of Distribution of Revenue by Geographical Area | The distribution of revenue by geographical area was as follows:
| Three Months Ended |  | Nine Months Ended
| September 30, 2025 |  | September 30, 2024 |  | September 30, 2025 | September 30, 2024
| (in thousands)
Ireland | $ | 758,530 |  |  | $ | 615,957 |  |  | $ | 2,365,689 |  | $ | 1,971,502 |
Rest of Europe | 402,435 |  |  | 420,605 |  |  | 1,133,638 |  | 1,195,033 |
U.S. | 647,278 |  |  | 755,100 |  |  | 1,891,317 |  | 2,356,954 |
Rest of World | 234,569 |  |  | 238,368 |  |  | 670,857 |  | 717,086 |
Total | $ | 2,042,812 |  |  | $ | 2,030,030 |  |  | $ | 6,061,501 |  | $ | 6,240,575 |
Schedule of Distribution of Income from Operations by Geographical Area | The distribution of income from operations by geographical area was as follows:
| Three Months Ended |  | Nine Months Ended
| September 30, 2025 | September 30, 2024 |  | September 30, 2025 | September 30, 2024
| (in thousands)
Ireland | $ | 172,766 |  | $ | 211,855 |  |  | $ | 511,921 |  | $ | 687,137 |
Rest of Europe | 51,515 |  | 55,040 |  |  | 94,884 |  | 148,774 |
U.S. | 69,443 |  | 59,326 |  |  | 206,303 |  | 201,015 |
Rest of World | 16,848 |  | 17,239 |  |  | 44,236 |  | 54,875 |
Sub-total | $ | 310,572 |  | $ | 343,460 |  |  | $ | 857,344 |  | $ | 1,091,801 |
Amortization of intangible assets | (58,688) |  | (58,026) |  |  | (176,691) |  | (291,013) |
Goodwill impairment | (165,300) |  | — |  |  | (165,300) |  | — |
Total | $ | 86,584 |  | $ | 285,434 |  |  | $ | 515,353 |  | $ | 800,788 |
Schedule of Distribution of Depreciation and Amortization by Geographical Area | The distribution of long-lived assets (property, plant and equipment and operating right-of-use assets), net, by geographical area was as follows:
| September 30, 2025 |  | December 31, 2024
| (in thousands)
Ireland | $ | 238,817 |  |  | $ | 234,175 |
Rest of Europe | 93,847 |  |  | 88,556 |
U.S. | 134,221 |  |  | 145,391 |
Rest of World | 58,293 |  |  | 62,359 |
Total | $ | 525,178 |  |  | $ | 530,481 |

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- Definition Tabular disclosure of long-lived assets, excluding financial instruments, long-term customer relationships of a financial institution, mortgage rights, deferred policy acquisition costs, and deferred tax assets, by geographic areas located in the entity's country of domicile and foreign countries in which the entity holds assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 41 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-41 + Details
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