XML 41 R33.htm IDEA: XBRL DOCUMENT
v3.25.1

Bank credit lines, loan facilities and notes (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2025
Debt Disclosure [Abstract] |
Schedule of Long-term Debt Instruments | The Company had the following debt outstanding as of March 31, 2025 and December 31, 2024:
|  | Interest rate as of | Principal amount
| Maturity Date | March 31, 2025 | December 31, 2024 | March 31, 2025 | December 31, 2024
|  |  |  | (in thousands)
Senior Secured Term Loan | July 2028 | 6.299 | % | 6.329 | % | $ | 939,010 |  | $ | 946,450 |
Senior Secured Notes (the "2026 Notes") | July 2026 | 2.875 | % | 2.875 | % | 500,000 |  | 500,000 |
Senior Secured Notes (the "2027 Notes")* | May 2027 | 5.809 | % | 5.809 | % | 750,000 |  | 750,000 |
Senior Secured Notes (the "2029 Notes")* | May 2029 | 5.849 | % | 5.849 | % | 750,000 |  | 750,000 |
Senior Secured Notes (the "2034 Notes")* | May 2034 | 6.000 | % | 6.000 | % | 500,000 |  | 500,000 |
Total debt |  |  |  | 3,439,010 |  | 3,446,450 |
Less current portion of debt |  |  |  | (29,762) |  | (29,762) |
Total long-term debt |  |  |  | 3,409,248 |  | 3,416,688 |
Less debt issuance costs and debt discount |  |  |  | (18,810) |  | (20,290) |
Total long-term debt, net |  |  |  | $ | 3,390,438 |  | $ | 3,396,398 |
*Issued May 8, 2024 During the quarter ended March 31, 2025, the Company drew down $50.0 million (December 31, 2024: $318.0 million) of the senior secured revolving loan facility and repaid $50.0 million (December 31, 2024: $373.0 million) as shown below. As at March 31, 2025, $nil (December 31, 2024: $nil) was drawn under the senior secured revolving loan facility.
| Drawdown | Repayment | Closing Balance
| (in thousands)
Balance at January 1, 2024 |  |  | $ | 55,000 |
Quarter 1, 2024 | $ | 50,000 |  | $ | (55,000) |  | $ | 50,000 |
Quarter 2, 2024 | 143,000 |  | (193,000) |  | — |
Quarter 3, 2024 | 50,000 |  | (50,000) |  | — |
Quarter 4, 2024 | 75,000 |  | (75,000) |  | — |
Total drawdown / (repayments) in 2024 | 318,000 |  | (373,000) |  |
Quarter 1, 2025 | 50,000 |  | (50,000) |  | — |
Total drawdown / (repayments) in 2025 | $ | 50,000 |  | $ | (50,000) |  |
Schedule of Contractual Maturities of Debt | As of March 31, 2025, the contractual maturities of the Company's debt obligations were as follows:
Contractual maturities of debt |  | (in thousands)
2025 (remaining) |  |  |  | $ | 22,322 |
2026 |  |  |  | 529,762 |
2027 |  |  |  | 779,762 |
2028 |  |  |  | 857,164 |
2029 and thereafter |  |  |  | 1,250,000 |
Total |  |  |  | $ | 3,439,010 |
Schedule of Principal Payments on Debt Instrument | Principal repayments on the senior secured term loan, comprising mandatory and voluntary repayments, during the three months ended March 31, 2025 and year ended December 31, 2024 were as follows:
Principal repayments | (in thousands)
Quarter 1, 2024 |  | $ | (275,000) |
Quarter 2, 2024 |  | (2,014,882) |
Quarter 3, 2024 |  | (7,441) |
Quarter 4, 2024 |  | (7,440) |
Total repayments in 2024 |  | (2,304,763) |
Quarter 1, 2025 |  | (7,440) |
Total repayments in 2025 |  | $ | (7,440) |

X
- Definition Schedule of Principal Payments on Debt Instrument + References No definition available. + Details
Name: | iclr_ScheduleOfPrincipalPaymentsOnDebtInstrumentTableTextBlock
Namespace Prefix: | iclr_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DebtDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
Name: | us-gaap_ScheduleOfDebtTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of maturity and sinking fund requirement for long-term debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 470 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481544/470-10-50-1 + Details
Name: | us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration