v2.4.0.6
Document and Entity Information
12 Months Ended
Dec. 31, 2012
Document Information [Line Items]  
Document Type 20-F
Amendment Flag false
Document Period End Date Dec. 31, 2012
Document Fiscal Year Focus 2012
Document Fiscal Period Focus FY
Trading Symbol ICLR
Entity Registrant Name ICON PLC /ADR/
Entity Central Index Key 0001060955
Current Fiscal Year End Date --12-31
Entity Well-known Seasoned Issuer Yes
Entity Current Reporting Status Yes
Entity Filer Category Large Accelerated Filer
Entity Common Stock, Shares Outstanding 60,287,498