v2.4.0.6
Document and Entity Information (USD $)
12 Months Ended
Dec. 31, 2011
Feb. 23, 2012
Jun. 30, 2011
Document and Entity Information [Abstract]      
Entity Registrant Name TELETECH HOLDINGS INC    
Entity Central Index Key 0001013880    
Document Type 10-K    
Document Period End Date Dec. 31, 2011    
Amendment Flag true    
Amendment Description The Interactive Data File in the original filing contains an error that does not add the last three zeros in data reported as “thousands”.    
Document Fiscal Year Focus 2011    
Document Fiscal Period Focus FY    
Current Fiscal Year End Date --12-31    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Accelerated Filer    
Entity Public Float     $ 528,201,476
Entity Common Stock, Shares Outstanding   56,615,002