v2.4.0.6
Document and Entity Information
3 Months Ended
Mar. 31, 2011
Document Information [Line Items]  
Document Type 6-K
Amendment Flag false
Document Period End Date Mar. 31, 2011
Document Fiscal Year Focus 2011
Document Fiscal Period Focus Q1
Trading Symbol ICLR
Entity Registrant Name ICON PLC /ADR/
Entity Central Index Key 0001060955
Current Fiscal Year End Date --12-31