v2.4.0.6
Document and Entity Information
9 Months Ended
Sep. 30, 2010
Oct. 25, 2010
Document and Entity Information [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Sep. 30, 2010  
Document Fiscal Year Focus 2010  
Document Fiscal Period Focus Q3  
Entity Registrant Name DENTSPLY INTERNATIONAL INC /DE/  
Entity Central Index Key 0000818479  
Current Fiscal Year End Date --12-31  
Entity Filer Category Large Accelerated Filer  
Entity Common Stock, Shares Outstanding   142,099,209