Document and Entity Information
3 Months Ended
Apr. 30, 2017
Document Document And Entity Information [Abstract]  
Document Type 10-Q
Amendment Flag false
Document Period End Date Apr. 30, 2017
Document Fiscal Year Focus 2017
Document Fiscal Period Focus Q1
Trading Symbol TIF
Entity Registrant Name TIFFANY & CO
Entity Central Index Key 0000098246
Current Fiscal Year End Date --01-31
Entity Filer Category Large Accelerated Filer
Entity Common Stock, Shares Outstanding 124,648,977