v2.4.0.8
Document and Entity Information
9 Months Ended
Sep. 30, 2015
Oct. 29, 2015
Entity [Abstract]    
Entity Registrant Name OMNICELL, Inc  
Entity Central Index Key 0000926326  
Document Type 10-Q  
Document Period End Date Sep. 30, 2015  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Entity Filer Category Large Accelerated Filer  
Entity Common Stock, Shares Outstanding   35,427,994
Document Fiscal Year Focus 2015  
Document Fiscal Period Focus Q3