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v3.22.2

Cover | 6 Months Ended
--- | ---
Jun. 30, 2022
Cover [Abstract] |
Document Type | 6-K
Document Fiscal Year Focus | 2022
Entity Registrant Name | ICON plc
Amendment Flag | false
Document Fiscal Period Focus | Q2
Entity Central Index Key | 0001060955
Current Fiscal Year End Date | --12-31
Document Period End Date | Jun. 30, 2022

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